Heat Transfer
In case of evaporators, liquid entrainment results primarily due to

foaming of the solution
high heat transfer rate
high heat transfer rate
high vacuum in the evaporator

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred

By heating an intermediate material (like chequor bricks) and then heating the air from this hot material
Through a metallic wall
None of these
By direct contact of hot flue gas with air

ANSWER DOWNLOAD EXAMIANS APP