Answer ALL
questions PART A – (10×2=20 marks)
1.
Discuss
the essential factors which should be considered while selecting a site for a
hydroelectric power plant.
2.
List
out the inherent advantage of the combined power cycles.
3.
State
the advantage and disadvantage of pulverized coal firing.
4.
What
is the function of the cooling tower?
5.
What
are micro hydel plants? Why are they are important now days.
6.
Explain
the function of moderator.
7.
What
is the application of diesel electric power plants?
8.
Discuss
the effect of inter cooling in a gas turbine plant.
9.
Mention
the advantage and disadvantage of the geo thermal power plant.
10. What are the
fixed costs?
PART B –
(5x16=80 marks)
- (a) (i) Explain
a neat diagram of hydroelectric power plant and explain the function of
each components in that plant.
(ii) Distinguish between the high pressure
boiler and super critical boiler.
Or
(b) (i) Describe the
water and steam flow circuit of the thermal power plant.
(ii) With a neat diagram, explain the
working principal of the combined MHD and steam open cycle power plant.
- (a) (i) Explain
the construction and operation of the chain grate travelling stoker. Also
eliminate its advantage and disadvantage.
(ii)State and explain the operation of the
mechanical draught cooling towers.
Or
(b) (i) Sketch and
describe the working principal of the pneumatic system of the ash handling in
the boiler plant.
(ii)
Explain
with a sketch the pulverized coal firing system .what are its merits and
demerits.
- (a) (i) Explain
the working of a typical fast breeder reactor power plant with the help of
neat diagram.
(ii) Write short
notes on nuclear waste disposal.
Or
(b) (i) Discuss
in detail about the factors affect with affect the selection of hydraulic
turbine.
(ii) How do you
govern the Francis turbine?
(iii)
Describe
– muschel cures .
14.
(a)
Describe the auxiliary equipments and also discuss the essential components of
diesel power plant with neat layout. What is the advantage of the plant?
Or
(b) (i) In a gas standard bray ton cycle the air enters the compressor
at 1 bar and 15C . The
pressure leaving the compressor is 5 bar, the maximum temperature in the cycle
900C.
(ii) What are the methods to
improve the efficiency of the gas turbine power plants?
(iii)
What are the advantages of repowering cycle?
15.
(a)
Describe, with the help of neat sketch the working principal of a solar thermal
receiver system plant and enumerate the advantages and disadvantages of
concentrating collectors over flat plate collectors.
(Or)
(b) What do you
understand by power plant economics? Explain the fixed costs and operating
costs of a power station.
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