Chemical Heat Transfer

A. Basket type
B. Horizontal tube
C. Short tube vertical
D. Long tube vertical

A. Large scale evaporation of liquor is needed
B. Corrosive liquids are to be concentrated
C. Fuel is cheaply available
D. Evaporation on small scale is to be done

A. 1.49
B. 1
C. 4.88
D. None of these

A. Black & smooth
B. Black & rough
C. White & smooth
D. White & rough

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

A. Brick
B. Air
C. Water
D. Silver

A. Avoid cavitation
B. Avoid frequent priming
C. Create more suction head
D. None of these

A. Steam pressure
B. Feed temperature
C. Number of effect
D. Both B. & C.

A. Non-dimensional factor
B. Factor of safety
C. Conversion factor for individual film heat transfer co-efficient to overall heat transfer coefficient
D. None of these

A. Buffer zone
B. Turbulent core
C. Both A. and B.
D. Viscous sub-layer