result management system report for college project
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Me 313 a thq questions
1. 1[Date]
NAME:
COURSE & YR LEVEL:
SCORE TIME: DAYS:
DATE:
I. Solve the following problems. Write your final answers in four (4) decimal places. In your complete solutions,
enclose your final answers with correct units. One page per problem.
1. Steam is supplied to a fully loaded 100 hp turbine at 200 psia with π1 = 1,163 π΅ππ
ππβ , π£1 = 265
ππ‘3
ππβ ,
and velocity = 400
ππ‘3
π β . Exhaust is at 1 psia with π2 = 925 π΅ππ
ππβ ,π£2 = 295
ππ‘3
ππβ , and velocity =
1,100
ππ‘3
π β . The heat loss from the steam in the turbine is 10 π΅ππ
ππβ . Neglect potential energychange.
Determine the following: (a) Work steady flow per lb; (b) steam flow rate.
2. 2[Date]
NAME:
COURSE & YR LEVEL:
SCORE TIME: DAYS:
DATE:
II. A fluid system undergoes a non-flow frictionless process from 4.5 ππ‘3 to a final volume of 1.5 ππ‘3 in
accordance with the defining relation π =
60
π£
+ 30 ππ ππ, where volume is in ππ‘3. Duringthe process, the
system rejects 20 BTUof heat. Determine the (a) Change of enthalpy and (b) internal energy.
3. 3[Date]
NAME:
COURSE & YR LEVEL:
SCORE TIME: DAYS:
DATE:
III. Air flow steadily at the rate of 0.5
ππ
π β through an air compressor. Entering at 7 π
π β speed,100 kPa
pressure and 0.95 π3
ππβ specificvolume and leaving at 5 π
π β , 700 kPa and 0.19 π3
ππβ . The internal
energyof the air leaving is 90
ππ½
ππβ greater than that of the air entering.Cooling water in the compressor
jacket absorbs heat from the air at the rate of 58
ππ½
π β . Compute for (a) ππ , (b) βπ»