Fourth year, Department of Mechanical Sandwich
Engineering
First and second Units Questions.
Answer ALL questions
PART A – (5×2=10 marks)
1.
State important advantages of high-pressure boilers?
2.
Write about Benson boiler? State some
important advantages of Benson boiler?
3. Explain Reheat cycle?
4.
Explain the term Regeneration?
5.
Why the preparation of coal is necessary?
6.
What is the use of load curves in power plants?
7.
Mention any two drawbacks of a stationary gas turbine power plant for
generation of electricity.
8.
What are the applications of diesel engine power plant?
9.
Why is the maximum cycle temperature of gas turbine plant much lower than that
of diesel power plant?
10.
What are the different fields where use of diesel power plant is essential?
PART
B
11. Draw the general layout of thermal power
plant and explain the working of different circuits. (16)
12. a) Draw an explanatory line diagram of an ash
handling system employed in steam power plants and also explain the difficulties encountered in the
handling of ash in a thermal power station.
(10)
b) Explain the difficult types of coal
handling process. (6)
13. a) Explain the principle involved in
preparation of coal and what are the methods of preparation? (10)
b) What are the different types of dust
collectors used? (6)
14. Explain the various draught systems with a
neat sketch. (16)
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