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1. KONGUNADU COLLEGE OF ENGINEERING AND TECHNOLOGY
(AUTONOMOUS)
NAMAKKAL - TRICHY MAIN ROAD, THOTTIAM, TRICHY
DEPARTMENT OF AGRICULTURE ENGINEERING
20AG401 – UNIT OPERATIONS IN AGRICULTURAL PROCESSING
Year/Sem: II/IV Academic Year: 2022-2023
Given Date: ASSIGNMENT –I Submission Date:
S.No. Register No. Student Name Assignment Topics / Questions
CO
Mapping
Blooms
Level
1. 621321108001 ABISEKAR M
1. Define Agricultural processing with examples. CO1 E
2. Conversion of 10 grams into pounds. CO1 Ap.
3. What is mechanical separation? CO2 A
4. Calculate the settling velocity of dust particles of 60 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2 Ap.
2. 621321108002
ABISHEK A
1. Define Evaporation with suitable sketch. CO1 A
2. Conversion of 1 kg into pounds. CO1 Ap.
3. Explain the mechanical separation process and it’s types. CO2 A
4. Calculate the settling velocity of dust particles of 5µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2 Ap.
3 621321108003 ABISHEK A
1. Narrate the “Conservation of Mass and Energy “Theory. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 89.8 m, Velocity of milk is 0.38 m/s.
Find out the time for condensation.
CO1
Ap.
3. Filtration. CO2 E
4. Calculate the settling velocity of dust particles of 10 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
4 621321108004 ARISH S
1. Explain the Important unit operations in agricultural processing. CO1 E
2. Milk is flowing through the pipeline, the length of pipeline is 100 m, Velocity of milk is 0.58 m/s.
Find out the time for condensation.
CO1
Ap.
3. Principles of Filtration. CO2 E
4. Calculate the settling velocity of dust particles of 15 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
5 621321108005 ARUN N
1. Dimensions and Units. CO1 E
2. Milk is flowing through the pipeline, the length of pipeline is 50 m and time taken for total flow is
50 seconds. Find out the velocity of particular liquid.
CO1
Ap.
3. Filter media and their requirements. CO2 A

2. 4. Calculate the settling velocity of dust particles of 20 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
6 621321108006 ARUNKUMAR S
1. Explain the evaporation process. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 80 m and time taken for total flow is
50 seconds. Find out the velocity of particular liquid.
CO1
Ap.
3. Define filter and types of filters. CO2 A
4. Calculate the settling velocity of dust particles of 25 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
7 621321108007 BALAKUMARAN K
1. Liquid characteristics. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 200 m, Velocity of milk is 0.78 m/s.
Find out the time for condensation.
CO1
Ap.
3. Define filter aids and its usage. CO2 A
4. Calculate the settling velocity of dust particles of 30 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
8 621321108008 CHANDRU M
1. Explain the properties of solution. CO1 E
2. Milk is flowing through the pipeline, the length of pipeline is 70 m and time taken for total flow is
70 seconds. Find out the velocity of particular liquid.
CO1
Ap.
3. Resistance during filtration. CO2 A
4. Calculate the settling velocity of dust particles of 35 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
9 621321108009 DHARUN FRANCLIN
X
1. Define Evaporation and explain the factors affecting evaporation rate. CO1 A
2. An autoclave contains 1000 cans of pea soup. It is heated to an overall temperature of 100o
C. If the
cans are to be cooled to 40o
C before leaving the autoclave, how much cooling water is required if
it enters at 15o
C and leaves at 35o
C? The specific heats of the pea soup and the can metal are
respectively 3.1 kJ kg-1 o
C-1
and 2.0 kJ kg-1 o
C-1
. The weight of each can is 60g and it contains 0.45
kg of pea soup. Assume that the heat content of the autoclave walls above 40o
C is 1.6 x 104
kJ and
that there is no heat loss through the walls.
CO1
Ap.
3. Filter cake resistance. CO2 E
4. Calculate the settling velocity of dust particles of 40 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.

3. 10 621321108010 GOKUL A
1. Define evaporators and list out the types of evaporators. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 50 m, Velocity of milk is 0.78 m/s.
Find out the time for condensation.
CO1
Ap.
3. Filter medium resistance. CO2 E
4. Calculate the settling velocity of dust particles of 45 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
11 621321108011 GOPINATH K
1. Explain the working principle of single effect evaporators. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 200 m, Velocity of milk is 0.88 m/s.
Find out the time for condensation.
CO1
Ap.
3. Total resistance in filtration and Compressibility of cake. CO2 A
4. Calculate the settling velocity of dust particles of 50 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
12 621321108012 GUNAVATHI J
1. Explain the working principle of Multiple effect evaporators.
CO1 E
2. Conversion of 10 joules into Watts. CO1 Ap.
3. Constant pressure filtration. CO2 A
4. Calculate the settling velocity of dust particles of 55 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
13 621321108013 JANANTH S
1. Explain the performance of evaporators. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 200 m and time taken for total flow
is 10 seconds. Find out the velocity of particular liquid.
CO1
Ap.
3. Constant volume filtration. CO2 A
4. Calculate the settling velocity of dust particles of 65 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
14 621321108014 KABILAN P
1. Boiling point elevation. CO1 E
2. Milk is flowing through the pipeline, the length of pipeline is 1000 m, Velocity of milk is 5.9 m/s.
Find out the time for condensation.
CO1
Ap.
3. Washing cake. CO2 A
4. Calculate the settling velocity of dust particles of 70 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
15 621321108015 KARTHIKEYAN D
1. What is short tube evaporator? Explain it. CO1 E
2. Milk is flowing through the pipeline, the length of pipeline is 900 m, Velocity of milk is 0.58 m/s.
Find out the time for condensation.
CO1 Ap.
3. Depth filters. CO2 A
4. Calculate the settling velocity of dust particles of 75 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.

4. 16 621321108016 KARUNANITHI M
1. What is long tube evaporator? Explain it. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 20 m, Velocity of milk is 0.58 m/s.
Find out the time for condensation.
CO1
Ap.
3. Surface filters. CO2 A
4. Calculate the settling velocity of dust particles of 80 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
17 621321108017 KAVIBHARATH B
1. Explain the falling film evaporators. CO1 E
2. Milk is flowing through the pipeline, the length of pipeline is 700 m, Velocity of milk is 4.5 m/s.
Find out the time for condensation.
CO1
Ap.
3. Plate and Frame filters. CO2 A
4. Calculate the settling velocity of dust particles of 85 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
18 621321108018 KAVIYA S
1. Explain the rising film evaporators. CO1 A
2. An autoclave contains 1000 cans of pea soup. It is heated to an overall temperature of 100o
C. If the
cans are to be cooled to 40o
C before leaving the autoclave, how much cooling water is required if
it enters at 15o
C and leaves at 35o
C? The specific heats of the pea soup and the can metal are
respectively 4.1 kJ kg-1 o
C-1
and 0.5 kJ kg-1 o
C-1
. The weight of each can is 60g and it contains 0.45
kg of pea soup. Assume that the heat content of the autoclave walls above 40o
C is 1.6 x 104
kJ and
that there is no heat loss through the walls.
CO1
Ap.
3. Cartridge filters. CO2 A
4. Calculate the settling velocity of dust particles of 90 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
21 621321108022 LOGESHWARAN A
1. Explain the forced circulation evaporators. CO1 E
2. Milk is flowing through the pipeline, the length of pipeline is 250 m, Velocity of milk is 0.58 m/s.
Find out the time for condensation.
CO1
Ap.
3. Continuous rotary filter. CO2 E
4. Calculate the settling velocity of dust particles of 95 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
22 621321108023 MOHANA S
1. Explain the Agitated film evaporators. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 210 m, Velocity of milk is 8.99 m/s.
Find out the time for condensation.
CO1
Ap.
3. Centrifugal filters. CO2 A
4. Calculate the settling velocity of dust particles of 100 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.

5. 23 621321108024 MOHANSHARMA K
1. Explain the plate evaporators. CO1 A
1. Milk is flowing through the pipeline, the length of pipeline is 100 m, Velocity of milk is 0.18 m/s.
Find out the time for condensation.
CO1
Ap.
2. Explain filters and types of filters. CO2 A
3. Calculate the settling velocity of dust particles of 105 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
24 621321108025 MONISHA V
1. Basic principles of evaporators. CO1 A
2. A single effect evaporators is required to concentrate a solution from 10% solids to 30% solids at
the rate of 250 kg of feed per hour. If the pressure in the evaporator is 77kPa absolute, and if steam
is available at 200 kPa gauge, calculate the quantity of steam required per hour and the area of the
heat transfer surface if the overall heat transfer coefficient is 1700J m-2
S-1o
C-1
. Assume that the
temperature of the feed is 18o
C and that the boiling point of the solution under the pressure of 77
kPa absolute is 91o
C. Assume, also, that the specific heat of the solution is the same as for water,
that is 4.186 x 103 JKg-1 o
C-1
, and the latent heat of vaporization of the solution is the same as that
for water under the same condition.
CO1
Ap.
3. Working principle of Rotary Vacuum Filter. CO2 A
4. Calculate the settling velocity of dust particles of 110 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
25 621321108026 MOULEESWARAN A S
1. Difference between vaporization and evaporation. CO1 E
2. Milk is flowing through the pipeline, the length of pipeline is 500 m, Velocity of milk is 1.28 m/s.
Find out the time for condensation.
CO1
Ap.
3. Explain Sedimentation process. CO2 A
4. Calculate the settling velocity of dust particles of 115 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
26 621321108027
NAVANEETHA B
1. Construction and Operation of Evaporators. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 150 m and time taken for total flow
is 50 seconds. Find out the velocity of particular liquid.
CO1
Ap.
3. Types of settling process in sedimentation. CO2 A
4. Calculate the settling velocity of dust particles of 120 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
27 621321108028 NEHRU D
1. Difference between rising and falling flim evaporators. CO2 E
2. Milk is flowing through the pipeline, the length of pipeline is 1 m, Velocity of milk is 0.58 m/s.
Find out the time for condensation.
CO2
Ap.
3. Filter press sedimentation. CO1 A
4. Calculate the settling velocity of dust particles of 125 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO1
Ap.

6. 28 621321108029 POOJA R
1. Different types of evaporators using in dairy industry. CO2 E
2. Milk is flowing through the pipeline, the length of pipeline is 130 m and time taken for total flow
is 60 seconds. Find out the velocity of particular liquid.
CO2
Ap.
3. Gravitational sedimentation. CO1 A
4. Calculate the settling velocity of dust particles of 130 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO1
Ap.
29 621321108030 POORNIKA S
1. Care and Maintenance of Evaporators. CO2 A
2. Milk is flowing through the pipeline, the length of pipeline is 100 m, Velocity of milk is 2.5 m/s.
Find out the time for condensation.
CO2
Ap.
3. Explain stokes law. CO1 E
4. Calculate the settling velocity of dust particles of 135 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO1
Ap.
30 621321108031 PUGALZHENTHI D
1. Industrial applications of evaporators. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 578 m, Velocity of milk is 0.58 m/s.
Find out the time for condensation.
CO1
Ap.
3. Cyclone separator. CO2 A
4. Calculate the settling velocity of dust particles of 140 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
31 621321108032 RAGUL M
1. Natural circulated evaporator. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 100 m, Velocity of milk is 0.96 m/s.
Find out the time for condensation.
CO1
Ap.
3. Centrifugal separation. CO2 E
4. Calculate the settling velocity of dust particles of 145 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
32 621321108033 RAGUL R
1. Basket type evaporator. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 700 m, Velocity of milk is 0.28 m/s.
Find out the time for condensation.
CO1
Ap.
3. Liquid-Liquid separation. CO2 E
4. Calculate the settling velocity of dust particles of 150 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.

7. 33 621321108034 RAJESHWARI B
1. Applications of evaporation in chemical industry. CO2 E
2. Milk is flowing through the pipeline, the length of pipeline is 700 m, Velocity of milk is 0.77 m/s.
Find out the time for condensation.
CO2
Ap.
3. Applications of filtration process in food industry. CO1 E
4. Calculate the settling velocity of dust particles of 155 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO1
Ap.
34 621321108035 ROHITH R
1. Applications of evaporation in food industry. CO2 E
2. Milk is flowing through the pipeline, the length of pipeline is 500 m, Velocity of milk is 0.35 m/s.
Find out the time for condensation.
CO2
Ap.
3. Difference between filtration and clarification. CO1 A
4. Calculate the settling velocity of dust particles of 160 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO1
Ap.
35 621321108036 SABARISHWARAN S
1. Classification of evaporators. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 100 m, Velocity of milk is 0.10 m/s.
Find out the time for condensation.
CO1
Ap.
3. What are the terms used in filtration process. CO2 E
4. Calculate the settling velocity of dust particles of 165 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
36 621321108037 SANJAY S
1. Packaging (Unit operation) in agricultural processing. CO1 E
2. Milk is flowing through the pipeline, the length of pipeline is 120 m and time taken for total flow
is 70 seconds. Find out the velocity of particular liquid.
CO1
Ap.
3. Mechanism of filtration. CO2 A
4. Calculate the settling velocity of dust particles of 170 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
37 621321108038 SANTHOSH K
1. Heat transfer co-efficient. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 600 m, Velocity of milk is 0.58 m/s.
Find out the time for condensation.
CO1
Ap.
3. Difference between depth and surface filters. CO2 A
4. Calculate the settling velocity of dust particles of 175 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.

8. 38 621321108039 SANTHOSHNI P
1. Methods of feeding in evaporators. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 500 m, Velocity of milk is 0.57 m/s.
Find out the time for condensation.
CO1
Ap.
3. Theories of filtration. CO2 A
4. Calculate the settling velocity of dust particles of 180 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
39 621321108040 SARAN J
1. Forming (Unit operation) in agricultural processing. CO1 E
2. Milk is flowing through the pipeline, the length of pipeline is 110 m and time taken for total flow
is 50 seconds. Find out the velocity of particular liquid.
CO1
Ap.
3. Factors influencing filtration process. CO2 A
4. Calculate the settling velocity of dust particles of 185 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
40 621321108041 SARAVANAKUMAR P
1. Drying (Unit operation) in agricultural processing. CO1 A
2. A single effect evaporators is required to concentrate a solution from 15% solids to 30% solids at
the rate of 250 kg of feed per hour. If the pressure in the evaporator is 77kPa absolute, and if steam
is available at 200 kPa gauge, calculate the quantity of steam required per hour and the area of the
heat transfer surface if the overall heat transfer coefficient is 1700J m-2
S-1o
C-1
. Assume that the
temperature of the feed is 18o
C and that the boiling point of the solution under the pressure of 77
kPa absolute is 91o
C. Assume, also, that the specific heat of the solution is the same as for water,
that is 4.186 x 103 JKg-1o
C-1
, and the latent heat of vaporization of the solution is the same as that
for water under the same condition.
CO1
Ap.
3. Materials used in filter media. CO2 E
4. Calculate the settling velocity of dust particles of 190 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
41 621321108042 SATHYA PRIYA S
1. Cooling (Unit operation) in agricultural processing. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 400 m, Velocity of milk is 0.58 m/s.
Find out the time for condensation.
CO1
Ap.
3. Classification of filter equipments. CO2 A
4. Calculate the settling velocity of dust particles of 200 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.

9. 42 621321108043 SHANMUGARAJ R
1. Washing (Unit operation) in agricultural processing. CO1 E
2. An autoclave contains 1000 cans of pea soup. It is heated to an overall temperature of 100o
C. If the
cans are to be cooled to 40o
C before leaving the autoclave, how much cooling water is required if
it enters at 15o
C and leaves at 35o
C? The specific heats of the pea soup and the can metal are
respectively 5.1 kJ kg-1 o
C-1
and 0.5 kJ kg-1 o
C-1
. The weight of each can is 60g and it contains 0.45
kg of pea soup. Assume that the heat content of the autoclave walls above 40o
C is 1.6 x 104
kJ and
that there is no heat loss through the walls.
CO1
Ap.
3. The process of milk filtration. CO2 E
4. Calculate the settling velocity of dust particles of 205 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
43 621321108044 SIVABALAN C
1. Washing (Unit operation) in agricultural processing. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 100 m and time taken for total flow
is 50 seconds. Find out the velocity of particular liquid.
CO1
Ap.
3. Calculate the settling velocity of dust particles of 210 and 110 µm diameters in air at 21o
C and
100 KPa pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the
viscosity of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
4. Calculate the settling velocity of dust particles of 210 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
44 621321108045
SRI
DHANALAKSHMI M
1. Grading (Unit operation) in agricultural processing. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 500 m, Velocity of milk is 0.98 m/s.
Find out the time for condensation.
CO1
Ap.
3. Calculate the settling velocity of dust particles of 10 and 50 µm diameters in air at 21o
C and 100
KPa pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the
viscosity of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
4. Calculate the settling velocity of dust particles of 215 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
45 621321108046 SRIKANTH S
1. Separating (Unit operation) in agricultural processing. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 50 m and time taken for total flow is
70 seconds. Find out the velocity of particular liquid.
CO1
Ap.
3. Calculate the settling velocity of dust particles of 20 and 25 µm diameters in air at 21o
C and 100
KPa pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the
viscosity of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
4. Calculate the settling velocity of dust particles of 220 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.

10. 46 621321108047 SUBHA M
1. Explain pasteurization process in milk processing industry. CO1 A
2. A single effect evaporators is required to concentrate a solution from 5% solids to 30% solids at
the rate of 250 kg of feed per hour. If the pressure in the evaporator is 77kPa absolute, and if steam
is available at 200 kPa gauge, calculate the quantity of steam required per hour and the area of the
heat transfer surface if the overall heat transfer coefficient is 1700J m-2
S-1o
C-1
. Assume that the
temperature of the feed is 18o
C and that the boiling point of the solution under the pressure of 77
kPa absolute is 91o
C. Assume, also, that the specific heat of the solution is the same as for water,
that is 4.186 x 103 JKg-1o
C-1
, and the latent heat of vaporization of the solution is the same as that
for water under the same condition.
CO1
Ap.
3. Calculate the settling velocity of dust particles of 21 and 30 µm diameters in air at 21o
C and 100
KPa pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the
viscosity of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
4. Calculate the settling velocity of dust particles of 225 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
47 621321108048 SUJIPRIYA A
1. Disintegrating (Unit operation) in agricultural processing. CO2 A
2. An autoclave contains 1000 cans of pea soup. It is heated to an overall temperature of 100o
C. If the
cans are to be cooled to 40o
C before leaving the autoclave, how much cooling water is required if
it enters at 15o
C and leaves at 35o
C? The specific heats of the pea soup and the can metal are
respectively 4.1 kJ kg-1 o
C-1
and 2.0 kJ kg-1 o
C-1
. The weight of each can is 60g and it contains 0.45
kg of pea soup. Assume that the heat content of the autoclave walls above 40o
C is 1.6 x 104
kJ and
that there is no heat loss through the walls.
CO2
Ap.
3. Calculate the settling velocity of dust particles of 40 and 50 µm diameters in air at 21o
C and 100
KPa pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the
viscosity of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO1
Ap.
4. Calculate the settling velocity of dust particles of 230 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO1
Ap.
48 621321108049 THANUSH G S
1. Applications of evaporators. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 170 m, Velocity of milk is 0.58 m/s.
Find out the time for condensation.
CO1
Ap.
3. Calculate the settling velocity of dust particles of 30 and 35 µm diameters in air at 21o
C and 100
KPa pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the
viscosity of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
4. Calculate the settling velocity of dust particles of 235 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.

11. 49 621321108050 THULASIRAM N
1. Economy of evaporators. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 150 m, Velocity of milk is 0.58 m/s.
Find out the time for condensation.
CO1
Ap.
3. Calculate the settling velocity of dust particles of 210 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.9 x 10-5 Ns/m2
and density of air is 1.3 kg/m3
.
CO2
Ap.
4. Calculate the settling velocity of dust particles of 240 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
50 621321108051 VAISHNAVI A S
1. Capacity of evaporators. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 100 m and time taken for total flow
is 30 seconds. Find out the velocity of particular liquid.
CO1
Ap.
3. Calculate the settling velocity of dust particles of 210 and 100 µm diameters in air at 21o
C and
100 KPa pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the
viscosity of air is 2.6 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
4. Calculate the settling velocity of dust particles of 245 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
51 621321108052 VIJI N
1. Steam consumption of evaporators. CO1 A
2. A single effect evaporators is required to concentrate a solution from 8% solids to 30% solids at
the rate of 250 kg of feed per hour. If the pressure in the evaporator is 77kPa absolute, and if steam
is available at 200 kPa gauge, calculate the quantity of steam required per hour and the area of the
heat transfer surface if the overall heat transfer coefficient is 1700J m-2
S-1o
C-1
. Assume that the
temperature of the feed is 18o
C and that the boiling point of the solution under the pressure of 77
kPa absolute is 91o
C. Assume, also, that the specific heat of the solution is the same as for water,
that is 4.186 x 103 JKg-1o
C-1
, and the latent heat of vaporization of the solution is the same as that
for water under the same condition.
CO1
Ap.
3. Calculate the settling velocity of dust particles of 200 and 500 µm diameters in air at 21o
C and
100 KPa pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the
viscosity of air is 3.0 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
4. Calculate the settling velocity of dust particles of 250 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
52 621321108053 VISVANANDHINI T
1. Difference between short and long tube evaporators. CO1 A
2. Milk is flowing through the pipeline, the length of pipeline is 300 m, Velocity of milk is 0.58 m/s.
Find out the time for condensation.
CO1
Ap.
3. Calculate the settling velocity of dust particles of 300 and 500 µm diameters in air at 21o
C and
100 KPa pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that
the viscosity of air is 2.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
4. Calculate the settling velocity of dust particles of 255 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the
viscosity of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.

12. 53 621321108301 ARAVINTH D
1. Once through and Circulation evaporators. CO1 E
2. Milk is flowing through the pipeline, the length of pipeline is 10 m and time taken for total flow is
5 seconds. Find out the velocity of particular liquid.
CO1
Ap.
3. Calculate the settling velocity of dust particles of 300 and 500 µm diameters in air at 21o
C and
100 KPa pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the
viscosity of air is 1.5 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
4. Calculate the settling velocity of dust particles of 260 µm diameters in air at 21o
C and 100 KPa
pressure. Assume that the particles are spherical and of density 1280 kg/m3
and that the viscosity
of air is 1.8 x 10-5 Ns/m2
and density of air is 1.2 kg/m3
.
CO2
Ap.
FACULTY INCHARGE HOD