Chemical Heat Transfer

Mechanical recompression evaporation is used in the production of____________________?

Byadmin March 3, 2019August 24, 2021

Mechanical recompression evaporation is used in the production of____________________?

A. Alcohol
B. Distilled water
C. Salt
D. Fruits jam

Chemical Heat Transfer

Prandtl number is given by__________________?

Prandtl number is given by__________________?

A. CP μ/a
B. hD/k
C. CP μ/k
D. μ/h CP

Read More Prandtl number is given by__________________?
Chemical Heat Transfer

In a shell and tube heat exchanger, the height of 25 percent cut baffles is equal to (where, D = inside diameter of shell) ?

In a shell and tube heat exchanger, the height of 25 percent cut baffles is equal to (where, D = inside diameter of shell) ?

A. 0.25 D
B. 0.50 D
C. 0.75 D
D. None of these

Read More In a shell and tube heat exchanger, the height of 25 percent cut baffles is equal to (where, D = inside diameter of shell) ?
Chemical Heat Transfer

The equation, Nst = (f/2)/[1 + 5 (Npr – 1) √(f/2)], corresponds to ______________ analogy?

The equation, Nst = (f/2)/[1 + 5 (Npr – 1) √(f/2)], corresponds to ______________ analogy?

A. Von-Karman
B. Reynolds
C. Colburn
D. Prandtl

Read More The equation, Nst = (f/2)/[1 + 5 (Npr – 1) √(f/2)], corresponds to ______________ analogy?
Chemical Heat Transfer

Heat transfer co-efficient (h1) for liquids increases with__________________?

Heat transfer co-efficient (h1) for liquids increases with__________________?

A. Increasing temperature
B. Decreasing temperature
C. Decreasing Reynolds number
D. None of these

Read More Heat transfer co-efficient (h1) for liquids increases with__________________?
Chemical Heat Transfer

The range of electromagnetic spectrum important in heat transfer by radiation is ______________ microns?

The range of electromagnetic spectrum important in heat transfer by radiation is ______________ microns?

A. 0.38-0.78
B. 0.5-50
C. 100-1000
D. 5-50

Read More The range of electromagnetic spectrum important in heat transfer by radiation is ______________ microns?
Chemical Heat Transfer

In case of a multipass shell and tube heat exchanger, the temperature drop in the fluid _______________?

In case of a multipass shell and tube heat exchanger, the temperature drop in the fluid _______________?

A. Is inversely proportional to the resistance across which the drop occurs
B. And the wall are proportional to individual resistances
C. And the wall is not related
D. None of these

Read More In case of a multipass shell and tube heat exchanger, the temperature drop in the fluid _______________?

Similar Posts