Q.
In regenerative air preheaters, the heat is transferred

AFrom a metal wall from one medium to another
BFrom heating an intermediate material and then heating the air from this material
CBy direct mixing
DHeat is transferred by bleeding some gas from furnace

Correct Answer : (B)
From heating an intermediate material and then heating the air from this material

Hints :

Mechanical Engineering MCQ Question & Answer in PDF

Locomotive boiler is of the following type

Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of

Morning Exam