Thermal Power Plant MCQ

31. In a steam power plant, ________ heats the feed water on its way  to the boiler by delivering heat from the flue gases

1. Superheater
2. Economiser
3. Preheater
4. Turbine

32. ________ are employed for the operation of jaw crushers.

1. DC shunt-wound motor
2. Squirrel cage induction motor
3. Belted slip ring induction motor
4. Any DC motor

33. The biggest unit size of the steam plant in India is [as of Nov 2016]

1. 250 MW
2. 100 MW
3. 1000 MW
4. 500 MW

34. The optimal scheduling problem in case of a thermal plant can be completely solved at any desired instant _______

Case-A: with reference to the operation at other times.

Case-B: without reference to operation at other times.

1. Case-A
2. Case-B
3. Case-A or Case-B
4. None of these

35. The size of the venturimeter is expressed as 200 x 100 mm². It means that the

1. diameter of the upstream pipe is 200 mm and that of the downstream pipe is 100 mm.
2. diameter of the pipe is 200 mm and that of throat is 100 mm.
3. diameter of the pipe is 100 mm and that of throat is 200 mm.
4. None of these

36. Which of these sources leave a larger carbon footprint?

1. hydro
2. solar
3. thermal
4. hydrogen

37. Power generation of thermal power plant is based on

1. rankine cycle
2. otto cycle
3. diesel cycle
4. carnot cycle