Explore topic-wise MCQs in Power Plant.

This section includes 8 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.

Height of coke oven is limited (say maximum up to 7 metres) mainly by the __________

A. problem of uniform heating along its height.
B. structural strength of silica bricks
C. problem in door cleaning
D. buckling of ram of pusher car at the time of coke pushing
Answer» B. structural strength of silica bricks
2.

The maximum adiabatic flame temperature is attained when the fuel is burnt with __________

A. theoretically required amount of air
B. less than theoretically required amount of air
C. more than theoretically required amount of air
D. theoretically required amount of oxygen
Answer» E.
3.

__________ present in coal is not determined in its ultimate analysis.

A. Fixed Carbon
B. Total Carbon
C. Nitrogen
D. Hydrogen
Answer» B. Total Carbon
4.

Coking time in beehive coke oven is about __________

A. one week
B. 12 hours
C. 2-3 days
D. 2 weeks
Answer» D. 2 weeks
5.

Gobar gas is produced by the __________ of ‘gobar’ (cow dung).

A. Fermentation
B. Condensation
C. Combustion
D. Distillation
Answer» B. Condensation
6.

If d is the diffusion coefficient and t is the boundary layer thickness. Then the mass transfer coefficient k is given by?

A. k = d x t
B. k = d / t
C. k = d + t
D. k = d – t
Answer» C. k = d + t
7.

Which law deals with the rate of diffusion of Oxygen per unit surface area of the particle?

A. Kirchhoff’s Law
B. Plank’s Law
C. Fourier’s Law
D. Fick’s Law
Answer» E.
8.

Which of these is the outer most coating in the burning of a coke particle?

A. Oxygen
B. Carbon monoxide
C. Carbon dioxide
D. Ash Layer
Answer» B. Carbon monoxide