Heat Transfer
For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is

Parallel
Backward
None of these
Forward

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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
None of these
By direct contact of hot flue gas with air
Through a metallic wall

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Heat Transfer
Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place

Between two bodies in physical contact with each other
Both B & C
From one part of a body to the another part of the same body
Between two bodies not in physical contact with each other

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