Coal and Ash Handling in Thermal Power Plant - MCQs with answers

Coal and Ash Handling in Thermal Power Plant - MCQs with answers

Q1. The best coal suitable for the production of energy is_________________.

a. Lignite
b. Bituminous
c. Anthracite
d. Peat

View Answer / Hide Answer

Q2. Name the system that is mainly employed for the disposal of fly ash.

a. Pneumatic
b. Hydraulic
c. Both (a) & (b)
d. Steam jet system.

View Answer / Hide Answer

Q3. What is the superior quality of coal called?

a. Anthracite
b. Coke
c. Bituminous
d. Peat

View Answer / Hide Answer

Q4. The coal with highest ash content is?

a. Lignite
b. Steam coal
c. Coking coal
d. Bituminous coal

View Answer / Hide Answer

Q5. The major content of coal in India is ________________.

a. Dust
b. Ash
c. Fly ash
d. Cinder

View Answer / Hide Answer

Q6. On which factor does the calorific value of coal depend on?

a. Ash content.
b. Size of coal particles
c. Moisture content.
d. Volatile material.

View Answer / Hide Answer

Q7. The elements that are combustible in the fuel are

a. Carbon and hydrogen.
b. Carbon, hydrogen and ash.
c. Carbon, hydrogen and sulphur.
d. Carbon, nitrogen and ash.

View Answer / Hide Answer

Q8. What is the percentage of ash content in Indian coal?

a. 5 %
b. 10 %
c. 20 %
d. 30 %

View Answer / Hide Answer

Q9. Which of the following is the essential element for the combustion of fuel?

a. Oxygen
b. Correct fuel air ratio.
c. Proper ignition temperature.
d. All of these.

View Answer / Hide Answer

Q10. What is pulverised coal?

a. Non smoking coal.
b. Coal free from ash.
c. Coal broken into fine particles.
d. Coal which burns for long time.

View Answer / Hide Answer

Q11. Why is pulverised coal used?

a. Better burning.
b. Increased calorific value of coal.
c. Medium size units.
d. Less radiation loss.

View Answer / Hide Answer

Q12. What is the important factor in fuel selection?

a. Cost of fuel.
b. Calorific value
c. Both (a) & (b).
d. None of these.

View Answer / Hide Answer

Q13. Ash handling system is mainly divided into________________ systems.

a. Mechanical handling
b. Pneumatic
c. Hydraulic
d. All of these

View Answer / Hide Answer