The change in internal energy in steam engines equals to__________________?

Related Mcqs:

If partial pressure of air and steam be pa and ps respectively in a condenser, then according to Dalton’s law, the pressure in condenser is equal to__________________?

A. Ps-Pa B. pa-ps C. Pa+P D. non of these...

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...

Thermal efficiency of well maintained boiler will be of the order___________________?

A. 20% B. 40% C. 50% D. 75% E. 90%...

Incomplete combustion can be best judged by__________________?

A. smoky chimney exit B. excess air in flue gases C. measuring carbon mono-oxide in flue gases D. measuring temperature of flue gases at exit of furnace E. measuring oxygen in flue gases...

Sulphur content of fuels is very important to the plant operators because it____________________?

A. has high heating value B. retards electric precipitation C. promotes complete combustion D. has highly corrosive effect E. facilitates ash removal...