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Oct 2019.pdf
Oct_2019.pdf
Showing 1-2 out of 2
Oct 2019.pdf-Q1) a) Explain working of hydroelectr...
Oct_2019.pdf-Q1) a) Explain working of hydroelectric
Oct 2019.pdf-Q1) a) Explain working...
Oct_2019.pdf-Q1) a) Explain working of hydroelectric
Page 1
Q1)
a)
Explain working of hydroelectric power plant with neat labeled diagram.
Write two advantages of hydroelectric power plant.
[8]
b)
A coal fired power plant uses 5000 tons of coal per day. The average
power output from plant is 200MW. Compute the efficiency of power
plant. Take calorific value of coal as 15000kJ/kg. Write two advantages
and disadvantages of thermal power plant.
[7]
OR
Q2)
a)
Explain working of Centrifugal Pump with neat labeled diagram and its
application.
[8]
b)
Compare Conventional and non conventional energy source. Draw neat
labeled diagram of solar steam power plant.
[7]
Q3)
a)
Describe the concept of Heat Pump and Refrigerator with diagram and
write expression for COP. Compare Heat Engine & refrigerator.
[8]
b)
State Stefan Boltzman’s law of radiation. A body having 5m
2
of surface
area is maintained at 227°C. It exchanges the heat with another surface
enclosing it at 27°C by radiation. Its emissivity is 0.1,
= 5.67 x 10
-8
W/
m
2
K
4
. Compute the rate of heat lost by radiation.
[7]
Total No. of Questions : 4]
[Total No. of Pages : 2
OCT/FE/INSEM-4
F.E. (Semester - I)
SYSTEMS IN MECHANICAL ENGINEERING
(2019 Pattern)
Time :
1 Hour]
[Max. Marks : 30
CO 1 : Describe and compare the conversion of energy from renewable and non renewable
energy.
CO 2:
Explain basic laws of thermodynamic, heat transfer and their applications.
Instructions to the candidates:
1)
Solve Q. 1 or Q. 2, Q.3 or Q.4.
2)
Assume suitable data if necessary.
3)
Figures to the right indicate full marks.
P1271
SEAT No. :
P.T.O.
CEGP013091
49.248.216.238 03/10/2019 10:42:54 static-238
CEGP013091
49.248.216.238 03/10/2019 10:42:54 static-238
CEGP013091
49.248.216.238 03/10/2019 10:42:54 static-238
Page 2
2
FE/Insem.-4
OR
Q4)
a)
Explain the working of Four Stroke CI Engine with line diagram. Write
Advantages.
[8]
b)
State Second law of thermodynamics. A refrigerator with COP of 1.6
removes heat from freezer at the rate of 400 kJ/min. Draw block diagram
of system. Compute the power consumed by compressor and heat
rejected to the surroundings.
[7]
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
CEGP013091
49.248.216.238 03/10/2019 10:42:54 static-238
CEGP013091
49.248.216.238 03/10/2019 10:42:54 static-238
CEGP013091
49.248.216.238 03/10/2019 10:42:54 static-238
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