Heat Transfer
A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day, when it is concentrating from 10% to 25% solids. The water evaporated in kg per day is

24000
48000
60000
6000

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
A hollow sphere and a solid sphere of the same material and equal radii are heated to the same temperature. In this case,

Both the spheres will emit equal amount of radiation per unit time in the beginning
Both B & C
Both will absorb equal amount of radiation from the surrounding in the beginning
The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant

ANSWER DOWNLOAD EXAMIANS APP

Heat Transfer
LMTD for counterflow and prallel flow heat exchanger will be the same, when the

None of these
Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid
Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid)
Outlent temperature of both the hot and cold fluid are same

ANSWER DOWNLOAD EXAMIANS APP