The document provides information about an examination for Operations Management. It includes 10 questions across two parts (A and B) assessing various topics related to operations management. Part A questions cover topics like defining operation management, service vs goods production differences, decision making frameworks, capacity analysis, forecasting methods, breakeven analysis and aggregate planning models. Part B questions assess topics such as inventory management, manufacturing models, supply chain components, and capacity planning strategies. The document provides context and questions for an exam, assessing students' understanding of key operations management concepts.
Engineering Mathematics [Y
Q P Code: 60401
Additional Mathematics - II
Q P Code: 604A7
Analysis and Design of Algorithms
Q P Code: 60402
Microprocessor and Microcontroller
Q P Code: 60403
Object Oriented Programming with C++
Q P Code: 60404
Soft skills Development
Unix and Shell Programming,
Q P Code: 60305.
Additional Mathematics I
Q P Code: 60306
Computer Organization and Architecture
Q P Code: 62303
Data Structures Using C
Q P Code: 60303
Discrete Mathematical Structures
Q P Code: 60304
Engineering Mathematics - III
Q P Code: 60301
Soft Skill Development
Q P Code: 60307
Unix and Shell Programming,
Q P Code: 60305.
Additional Mathematics I
Q P Code: 60306
Computer Organization and Architecture
Q P Code: 62303
Data Structures Using C
Q P Code: 60303
Discrete Mathematical Structures
Q P Code: 60304
Engineering Mathematics - III
Q P Code: 60301
Soft Skill Development
Q P Code: 60307
Unix and Shell Programming,
Q P Code: 60305.
Additional Mathematics I
Q P Code: 60306
Computer Organization and Architecture
Q P Code: 62303
Data Structures Using C
Q P Code: 60303
Discrete Mathematical Structures
Q P Code: 60304
Engineering Mathematics - III
Q P Code: 60301
Soft Skill Development
Q P Code: 60307
Unix and Shell Programming,
Q P Code: 60305.
Additional Mathematics I
Q P Code: 60306
Computer Organization and Architecture
Q P Code: 62303
Data Structures Using C
Q P Code: 60303
Discrete Mathematical Structures
Q P Code: 60304
Engineering Mathematics - III
Q P Code: 60301
Soft Skill Development
Q P Code: 60307
Unix and Shell Programming,
Q P Code: 60305.
Additional Mathematics I
Q P Code: 60306
Computer Organization and Architecture
Q P Code: 62303
Data Structures Using C
Q P Code: 60303
Discrete Mathematical Structures
Q P Code: 60304
Engineering Mathematics - III
Q P Code: 60301
Soft Skill Development
Q P Code: 60307
Unix and Shell Programming,
Q P Code: 60305.
Additional Mathematics I
Q P Code: 60306
Computer Organization and Architecture
Q P Code: 62303
Data Structures Using C
Q P Code: 60303
Discrete Mathematical Structures
Q P Code: 60304
Engineering Mathematics - III
Q P Code: 60301
Soft Skill Development
Q P Code: 60307
Unix and Shell Programming,
Q P Code: 60305.
Additional Mathematics I
Q P Code: 60306
Computer Organization and Architecture
Q P Code: 62303
Data Structures Using C
Q P Code: 60303
Discrete Mathematical Structures
Q P Code: 60304
Engineering Mathematics - III
Q P Code: 60301
Soft Skill Development
Q P Code: 60307
Unix and Shell Programming,
Q P Code: 60305.
Additional Mathematics I
Q P Code: 60306
Computer Organization and Architecture
Q P Code: 62303
Data Structures Using C
Q P Code: 60303
Discrete Mathematical Structures
Q P Code: 60304
Engineering Mathematics - III
Q P Code: 60301
Soft Skill Development
Q P Code: 60307
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producer to machinery manufacturers :
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(10 Marks)
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equation and forecast the shipment for 2015. (10 Marks)
a. Define capacity pianning. Explain long-terms and short-term capacity strategies. (05 Marks)
b. The individual component capacities (in units/day) for an assembly line that consists of five
activities are shown in the figure below Fig. Qa(b), (05 Marks)
A.h^"f o/p
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D What is the system capacity?
it) What is the efficiency of the system?
c. Annual demand fo facturi izat ted to be as follow :a manuracturmg organtzatton capaclty N expected to
Unit demanded 8000 10000 15000 20000
Probabilitv 0.5 0.2 0.2 0.1
Revenues are {35/unit. The existing manufacturing facility has annual fixed cost/operation
are 12lakhs. Variable manufacturing cost are 77.lSlunit, {5/unit, {5.33/unit & t7.42lunit
at the 8000, 10000, 15000 and 20000 unit output level respectively. An expanded facility
under consideration would require {2,50,000 fixed operating cost annually. Variable cost are
T9.4/unit, (5.2lunit, {3.S/unit and {4.9lunit at the 8000, 10000, 15000, 20000 unit output
level receptively. In orderto rnaximizethe earningswhichsize facilityshouldbe selected?
(10 Marks)
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Eighth Semester B.E. Degree Examinatioh;.June/July 2016
Operations Managemerit '
Time: 3 hrs. Max. Marks:100
Note: Answer any FtrVE full questions, selecting
atleast TWO questioms fro* each purt.
PART - A
I a. Define operation management. Draw the operations management system showing input and
output model for an international airport. (06 Marks)
Briefly explain how service producers differ from goods producers in important aspects of
their operations. (06 Marks)
With neat schematic sketch, explain the frame work for managing opei:dtions. (08 Marks)
Define decision making. Explain the frame work for decision making. (06 Marks)
Two assembly robots X and Y working at the same rate together produce 400 filters per day.
During a recent day, 40 filters werd found defective. given that the filter is defective, there is
0.40 probability it was produced by robot X (i.e., Pyp :.0:40). What is the probability that a
filter selected at random is : i) Defective ii) Produced by robot Y iii) Defective and
produced by robot X iv) Defective or produced by robot X. (04 Marks)
c. Define BEP. Briefly explain thevarious methods of lowering thebreakeven point. (10 Marks)
3 a. Briefly explain the following : i) Time series
signal.
forecasting ii) Forecasting error and tracking
Year 2004 05 06 07 08 09 10 11 l2 13 2014
Shipment (tons) 2 -l 6 l0 8 7 t2 t4 14 18 t9
I of 2
2. 5a.
b.
PART _ B
List and explain the aggregating planning strategies.
Demand forecast for a non automatic washing rnachine is given in the
three periods.
lOME/PMSI
(06 Marks)
following table for
Period Demand forecast
Limits on sources of capacity
Regular Overtime Subcontract
1 600 975 22s 150
2 1050 975 22s 150
a
J 1600 975 225 150
.l
ti
Initial inventory
Ending inventory
Unit production cost (regular)
Overtime pro duction co st/unit
Subcontracting co st/unit
Back ordering cost
Inventory carrying cost
-U
:220
: t s000/-
- { 8000
: { 12000/-
: t 400/unit/period
: { 1O0/unit/period
Formulate the aggregate planning problem by transportation method. (14 Marks)
a. Define inventory. Enlist the various reasons for maintaining inventories. (06 Marks)
b. Enlist the characteristics of manufacturing model with no shortages. (04 Marks)
c. A company purchases 9000 parts of a machine for its annual requirement, ordering one
month's usage at a tirne. Each part cost t 201-. The ordering cost per order is ( 15/- and the
carrying charges are 15Yo of the average inventory per year. Determine the economical
purchasing policy for the oompany. What advice would you offer and how much would it
save the company per year? (10 Marks)
7 a. Define MR-P. Explain the fundamental concepts of MRP. (07 Marks)
b. Briefly explain MRP - II. (07 Marks)
c. A company qrates Q model from components R, S and T component R is made from 2 units
of component X and one unit of component Y. Component T is made from one unit of
compon€nt Y and 3 units of componentZ.
i) Draw the product structure tree for the Q-model
i.i-).ealculate the gross requirement for each of the components if the company plans to build
"*.,i,;.'
100 units of its Q-model, if 150 units component T and 200 units of component R in
,. 1,,
t,, it inventories. (06 Marks)
,I8 a. Define supply chain. Explain the components of supply chain in detail. (08 Marks)
' b. With neat block diagram, explain the various activities of company and supplier. (08 Marks)
c. Bull whip effect in supply chains. Explain. (04 Marks)
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1 a. Define coritrol system. Compare open loop and closed loop control systems with an example
for each t1pe. (08 Marks)
b. With a block diagram, explain proportional, proportional plus integral (FI) and proportionai
plus integral plus derivative (PiD) controliers. Mention its characteristics. (12 Marks)
o(s) r .
2 a' Derive the differential equation and obtain the transfer function
d6
for armature
controlled DC motor coupled to mechanical load having inertia J and friction coefficient fo.
(12 Marks)
b. Draw the equivalent mechanical system (rnpdal basis) and write the set of equilibrium
equations and obtain force voltage analogy for the system shown in Fig. Q2 (b) (08 Marks)
Max. Marks; tBO'
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(10lVlarks)
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3 a. Rbdtrce the block diagram using reduction technique and obtain
c(s)
R(s)'
Fig. Q3 (a)
I af2
4. 3b. Find the transfbr function by using Mason's Gain
the Fig. Q3 (b)
Fie. Q3 (b)
By applying Routh's criterion discuss the stability of the closed
characteristic equation is,
s6 +3s' +4sa +5s3 +5s' +3s+2 = 0
Sketch the Nyquist plot for the system with G(s)H(s) =
comment on the stability.
s'1tr+0.ls)(i+o.o2s)
lOME/PM82
formula for the signal flow graph shown in
(10 Marks)
6uqEl
loop system whose
(10 Marks)
Find GM and
(20 Marks)
4a.
b. For a spring mass damper system shown in the Fig. Qa (b) - (1) a force of 9.6 Newtons is
applied to the mass. The response C(t) is as shown in.the Fig. Qa G) - (ii). Find the value of
M, B and K. (10 Marks)
4o9'
Fig. Qa (b) - (r)
PART _ B
(1+ 0.5s)
Plot the'Bode magnitude and phase diagrams for the open
G(s)H(s)=
loo(t*2 und
s(s+4)(s+5)
Discuss the stability of the closed loop system and find GM and PM.
loop transfer function,
(20 Marks)
s(s + 3)(s'z + 3s + i 1.25)
(20 Marks)
(10 Marks)
iv) State space
(10 Marks)
8a.
b.
Sketch the complete root locus for the system having G(s)H(s):
and comment on stability.
Expiain the following:
i) Leact compensator ii) Lag compensator
Define the following terms:
i) State ii) State variables iii) State vector
v) State equation"
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5. Eighth Sernester B.E. Degree
Power Plant
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2" Use of steum tables/cost analysis charts/
TD handbook is permitted"
PAR.T _*A
I a. Explain the working of a spreader stoker with the help of a neat,diagram
limitations.
b. Sketch and explain the following pul,verized fuel handling systems:
, i) Unit system ii) Central or bin system
Mention the imporlant properties of coal used in power piant applications.
What are the principal advantages of forced circulation boilers?
What are the factors to be considered in seiection of a boiler? Explain with a neat diagram, a
Velox boiler" (10 &Iarks)
Explain Draught and give its classification. (06 Marks)
Expiain the function of a superheater and mention its advantages. (04 Marks)
A chirnney of 28 m high and the temperature of hot gases inside the chimney is 320"C. The
temperature of outside air is 23'C and furnace is supplied with 15 kg of air per kg of coal
burnt. Calculate:
i) Draught in mm of water
ii) Draught head in meters of hot gases. (10 Marks)
State the applications of diesel engines in power field. (85 Nxarks)
What are the advantages and disadvantages of diesel power plant and gas turbine power
plant? (05 Marks)
Explain air intake and admission system of diesel pow.er plant with a neat sketch and
mention the precautions should be taken care while constmcting it. (10 Marks)
PART _ B
Hydro projects are developed for what purpose? List the advantages and disadvantages of
hydro electdc power plants. (10 Marks)
The mean monthly discharge at a particular site is given in table below. Draw the
hvd h and the flow duratiuratlon culve.
Month Discharge. m'ls Month Discharge, m'/s
January
February
March
April
May
June
240
450
600
1200
r 500
1500
July
August
September
October
November
December
2000
2440
1 800
r 200
800
400
I of2
(tr0 Marks)
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6 a. Explain Pressurized Water Reactor (PWR) power plant with aneat schematic diagram.
b. Write short notes on disposal of radioactive wastes. [3:ffi:il]c' Explain with a neat sketch the elements of the nuclear reactor. (08 Marks)
7 a. Define the fbllowing:
i) Load factor
ii) Utility factor
iii) Capacity factor
iv) Demand factor
v) Diversity factor : ; (i0 Marks)
b. A power station has to su load as fo lows
Time ftrs) 0-6 5-12 t2-14 14-18 t8-24
Load (MW) 45 135 90 150 75
i) Draw the load curve.
ii) Draw load duration curve. ,1
iii) Choose suitable generating units to supply the load. ' "'
' iv) Calculate the load factor.
y) calculate the plant capacity factor. (10 Marks)
8 a. Narne some il'nportant rernedies to reduce the cost of power generation. (05 Marks)
b. For what purpose the expenses are made in a construction cost of a power plant? (05 Marks)
c. The capital cost of a power generating equipment in a steam power plant is RS 80 x 106. The
useful life of the plant in 30 years and its salvage value is 5% of the capital cost. Determine
by the sinking fund method the amount of money to be saved annuaily for replacement if
yearly rate of compound interest is 6%. (10 Marks)
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!sldustrEal EngineerEmg & Engononnies
Time: 3 hrs.
Note: Answev fi"Iltil {wN qeaestio*eso se{ecti*eg
st iessd TW9 qaaestiorcs foo* e,wc&a pwrt.
eA.eL;A
Define production and prcductivity.
Define method study. Briefly explain the steps in rnethod srtudy.
List ob.jectives of method study.
Sketch and name different therbligs..'
Define work measurement. Write the uses of ivork measurement.
Explain any two methods ef deterrnining sample size for method study.
: Explain ditferent rnethods of timing a work element in time strLdy.
c. Explain relaxation allowance.
PART _ -B
5 a. Explain elements of design structure for industrial design.
b. With a neat block diagram explain marVnaachine system.
c. Write a note on work station design.
6 a. Explain mechanics of seeing with neat sketch.
b. Explain psychology of seeing.
c." Expiain brietly the influence of horizontal, vertical and curved lines.
8 a. Explain the concept of unity.
b. Write a note on variety and order.
c. Explain the terms sytnmetry and baiance"
d. Write a note on style cn capatal goods.
List any four rnaicr factors affecting productivity and explain thern in briefl {1& Manks}
How do workers react for the introduction of work study? Why? How do you over come it?
(06 Marks)
(08 Marks)
{04 Marks)
(S8 Marksi
(08 Marks)
(07 Mari<s)
3a.
b.
C. Deterrnine the nurnber of observaticns required for an accuracy af + 5ah and confidence
levei 95% when P :25. Check whether the number of observation is sufficient tbr
* 5a/a accuracy and 95a/o con{rdence level if number of observation of machine working is
3000 and number of o}:servations of machine idle is tr000 and total observations are 4000.
{SS Marks}
4 a" List different steps in time study. (S4 Marks)
b. Explaitr with an exarrpie repetitive eiement, ocational eiement ancl rrariable eteinent.
(S5 Marks)
{S6 Marks}
(S4 Marks)
(09 Marks)
(07 Marks)
(S4 Marks)
(08 Marks)
(06 Marks)
{&5 Marks}
1 a. Write a note on R.GB cclor model. q&5 Marks)
b. Write a note on "COLOUR- AND LIGHT" and "COX-OUR AND OBJECTS" (10 Marks)
c. Write a note on colour on engineering equipments. {05 &farks}
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