Explore topic-wise MCQs in Power Plant.

This section includes 6 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.

Presence of free moisture in coal during its high temperature carbonisation __________

A. increases the loss of fine coal dust from the ovens when charging
B. protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls
C. reduces the coking time
D. none of the mentioned
Answer» C. reduces the coking time
Discussion
2.

Atomising steam to fuel oil ratio in a burner should be around __________

A. 0.5
B. 1.5
C. 2.5
D. 3.5
Answer» B. 1.5
Discussion
3.

Overfire burning in a furnace is a phenomenon characterised by the __________

A. burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air
B. supply of excess fuel
C. supply of excess air
D. none of the mentioned
Answer» B. supply of excess fuel
Discussion
4.

Initial pressure of oxygen introduced into the bomb of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm.

A. 20-30
B. 60-65
C. 95-100
D. 3-5
Answer» B. 60-65
Discussion
5.

Fat coal means a coal having __________

A. low ash content
B. non-smoking tendency
C. high volatile matter
D. low calorific value
Answer» D. low calorific value
Discussion
6.

Presence of free moisture in coal is most disadvantageous during __________

A. combustion of fire slacks on the grates
B. its pulverisation
C. handling (e.g. when emptying wagons)
D. none of the mentioned
Answer» C. handling (e.g. when emptying wagons)
Discussion