1000+ Steam and Power Generation Interview Questions and Answers - 1

Question: 1

In thermal power plants, the deaerator is used mainly to

(A) reduce steam pressure

(B) remove dissolved gases from feed water

(C) increase feed water temperature

(D) remove air from condenser

Question: 2

Induced draught fans of a large steam generator have

(A) double curved blades

(B) forward curved blades

(C) straight or radial blades

(D) backward curved blades

Question: 3

In a Rankine cycle, regeneration results in higher efficiency because

(A) total work delivered by the turbine increases

(B) average temperature of head addition in the boiler increases

(C) heat is added before steam enters the low pressure turbine

(D) pressure inside the boiler increases

Question: 4

Heat is mainly transferred by conduction, convection and radiation in

(A) boiler furnaces

(B) condensation of steam in a condenser

(C) refrigerator freezer coil

(D) insulated pipes carrying hot water

Question: 5

In the Orsat flue gas analyser, ammonical cuprous chloride is used to absorb

(A) CO

(B) O₂

(C) N₂

(D) CO₂