1000+ Power Plant Engineering Quiz Questions and Answers Pdf - 2

Question: 6

With increase in load, convection super-heater has

(A) flat characteristics

(B) rising characteristics

(C) drooping characteristics

(D) linear characteristics

Question: 7

Which of the following gases has the highest calorific value?

(A) coke oven gas

(B) blast furnace gas

(C) water gas

(D) coal gas

Question: 8

The increase in pressure

(A) reduces its volume

(B) does not affect the boiling point of a liquid

(C) raises the boiling point of a liquid

(D) lowers the boiling point of a liquid

Question: 9

Adiabatic process is

(A) constant enthalpy process

(B) constant temperature process

(C) essentially an isentropic process

(D) non heat transfer process

Question: 10

Carbonisation of coal is the process of

(A) binding the pulverised coal into brickettes

(B) strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel

(C) heating wood in a limited supply of air at temperature below 300°C

(D) pulverising coal in inert atmosphere