Power Plant Engineering MCQ Questions & Answers | Electrical Engineering

A. 0.5 to 0.6

B. 0.9 to 0.95

C. 1.02 to 1.06

D. 1.2 to 1.6

A. the ratio of outlet pressure to inlet pressure of nozzle

B. the ratio of inlet pressure to outlet pressure of nozzle

C. the ratio of outlet pressure to inlet pressure only when mass flow rate per unit area is min-imum

D. the ratio of outlet pressure to inlet pressure only when mass flow rate = c

A. mechanical

B. chemical

C. heat

D. sound

A. burn completely

B. burn freely

C. do not form ash

D. form lumps or masses of coke

A. 50 - 75 kg/m per hour

B. 75 - 100 kg/m per hour

C. 100 - 150 kg/m per hour

D. 150 - 200 kg/m² per hour

A. to produce draught to accelerate the combustion of fuel

B. to discharge gases high up in the atmosphere to avoid hazard

C. to reduce the temperature of the hot gases discharged

D. none of the above

A. to maintain pressure below atmospheric to increase work output from the primemover

B. to receive large volumes of steam exhausted from steam prime mover

C. to condense large volumes of steam to water which may be used again in boiler

D. all of the above

A. less

B. more

C. same

D. not predictable

A. solar, wind and biomass

B. fossil fuels, hydropower and nuclear energy

C. wood, animal wastes and agriculture wastes

D. none of the above

A. pvls=C

B. pv1126 = C

C. pv1A = C

D. pv = C