Explore topic-wise MCQs in Power Plant.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Power Plant knowledge and support exam preparation. Choose a topic below to get started.

1.

THE_PIPES_CARRYING_STEAM_ARE_MADE_UP_OF??$

A. Steel
B. Copper
C. Aluminium
D. Iron
Answer» B. Copper
2.

A steam turbine with no nozzle is?

A. Reaction Turbine
B. Impulse Turbine
C. both of the mentioned
D. none of the mentioned
Answer» B. Impulse Turbine
3.

In an impulse reaction turbine, the pressure drops gradually and continuously ove?

A. moving blades
B. fixed blades
C. both moving & fixed blades
D. none of the mentioned
Answer» D. none of the mentioned
4.

Turbo alternators run at speeds

A. constant speed of 3000 rpm
B. constant speed of 1000 rpm
C. variable speed of 1000 rpm
D. none of the mentioned
Answer» D. none of the mentioned
5.

The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as

A. regenerative heating
B. reheating of steam
C. bleeding
D. none of the mentioned
Answer» D. none of the mentioned
6.

In a reaction turbine when the degree of reaction is zero, then there is

A. no heat drop in moving blades
B. maximum heat drop in fixed blades
C. no heat drop in fixed blades
D. maximum heat drop in moving blades
Answer» B. maximum heat drop in fixed blades
7.

In a velocity compounded impulse turbine, when steam flows through the second row of moving blades,

A. velocity decreases
B. velocity increases
C. pressure decreases
D. pressure increases
Answer» B. velocity increases
8.

A steam nozzle converts

A. heat energy of steam into kinetic energy
B. kinetic energy of steam into heat energy
C. potential energy into heat energy
D. none of the mentioned
Answer» B. kinetic energy of steam into heat energy
9.

Steam turbines may be classified according to

A. number of stages
B. direction of steam flow
C. mode of steam action
D. all of the mentioned
Answer» E.
10.

In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is

A. very high
B. high
C. low
D. very low
Answer» B. high