100% efficiency of a thermal cycle cannot be achieved because of __________________?

Related Mcqs:

Equivalent evaporation of water is the evaporation “for a feed water supply at 100°C__________________?

A. and its corresponding conversion into dry saturated steam at 100°C and 1.033 kg/cm2 B. and its corresponding conversion into dry steam at desired boiler pressure C. conversion into steam at atmospheric condition D. conversion into steam at the same pres-sure at which feed water is supplied E. none of the above...

The basic purpose of drum in boiler is to_____________________?

A. serve as storage of steam B. serve as storage of feed water for water wall C. remove salts from water D. separate steam from water E. control level...

The ratio of heat utilised to produce steam and the heat liberated in furnace is known as___________________?

A. boiler effectiveness B. boiler evaporative capacity C. factor of evaporation D. equivalent evaporation E. boiler efficiency...

Tertiary air is the air used to____________________?

A. provide air around burners for obtaining optimum combustion B. transport and dry the coal C. cool the scanners D. supply air for ignitors E. convert CO (formed in lower zone of furnace) into C02 at higher zone...

Sulphur in coal results in___________________?

A. causing clinkering and slagging B. corroding air heaters C. spontaneous combustion during coal storage D. facilitating ash precipitation E. all of the above...