Practice MCQ Questions and answers on Steam Boilers, Engines, Nozzles & Turbines Mcqs

A. 373°K

B. 273.16°K

C. 303°K

D. 0°K

E. 300°K

A. less

B. more

C. equal

D. may be less or more depending on temperature

E. unpredictable

A. pulverising coal in inert atmosphere

B. heating wood in a limited supply of air at temperatures below 300°C

C. strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel

D. binding the pulverised coal into brick-ettes

E. enriching carbon in the coal

A. enthalpy

B. superheating

C. supersaturation

D. latent heat

E. super tempering

A. Ps-Pa

B. pa-ps

C. Pa+P

D. non of these

A. linearly

B. slowly first and then rapidly

C. rapidly first and then slowly

D. inversely

E. none of the above

A. 0.1 to 0.2 kg

B. 0.2 to 0.4 kg

C. 0.6 to 0.8 kg

D. 1.0 to 1.5 kg

E. 1.5 to 2 kg

A. air present in atmosphere at NTP conditions

B. air required for complete combustion of fuel with no excess air

C. air required for optimum combustion so as to have reasonable excess air

D. air required to convert CO into C02

E. air required to form an explosive mixture

A. constant volume

B. constant temperature

C. constant pressure

D. constant entropy

E. constant enthaply

A. linearly

B. rapidly first and then slowly

C. slowly first and then rapidly

D. inversely

E. none of the above