Heat Transfer
A dephlegmator is a

Partial condenser
Total condenser
Double pipe heat exchanger
Vacuum evaporator

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
In the equation Q = UAΔt; Δt is

Logarithmic mean temperature difference
The difference of average bulk temperatures of hot and cold fluids
Arithmetic mean temperature difference
Geometric mean temperature difference

ANSWER DOWNLOAD EXAMIANS APP