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Chemical Heat Transfer

Boiling point elevation for a strong and concentrated solution is found by Duhring’s rule, which states that at the same pressure, the boiling point of a solution is a linear function of the _______________ of pure water?

Chemical Heat Transfer /
Boiling point elevation for a strong and concentrated solution is found by Duhring’s rule, which states that at the same pressure, the boiling point of a solution is a linear function of the _______________ of pure water?

A. Boiling point
B. Dynamic viscosity
C. Kinematic viscosity
D. Density

Boiling point elevation for a strong and concentrated solution is found by Duhring’s rule, which states that at the same pressure, the boiling point of a solution is a linear function of the _______________ of pure water? Read More »

Chemical Heat Transfer

Stefan-Boltzmann law which describes the radiation heat transfer states that, it is proportional to (where, t = temperature in °C T = absolute temperature in ° K) ?

Chemical Heat Transfer /
Stefan-Boltzmann law which describes the radiation heat transfer states that, it is proportional to (where, t = temperature in °C T = absolute temperature in ° K) ?

A. t4
B. T4
C. 1/t4
D. 1/T4

Stefan-Boltzmann law which describes the radiation heat transfer states that, it is proportional to (where, t = temperature in °C T = absolute temperature in ° K) ? Read More »

Chemical Heat Transfer

Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the________________?

Chemical Heat Transfer /
Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the________________?

A. Less corrosion problems
B. Flexibility possible in the baffle arrangement
C. Low pressure drop
D. High heat transfer co-efficient

Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the________________? Read More »

Chemical Heat Transfer

The purpose of providing expansion bellows in the shell of tubular exchanger is to _____________________?

Chemical Heat Transfer /
The purpose of providing expansion bellows in the shell of tubular exchanger is to _____________________?

A. Increase the heating load
B. Impart structural strength
C. Account for the uneven expansion of shell and tube bundles
D. Facilitate increase of shell length, if needed

The purpose of providing expansion bellows in the shell of tubular exchanger is to _____________________? Read More »

Chemical Heat Transfer

It is not recommended to use a 1-2 shell and tube heat exchanger for a particular heat duty, whenever the LMTD correction factor is___________________?

Chemical Heat Transfer /
It is not recommended to use a 1-2 shell and tube heat exchanger for a particular heat duty, whenever the LMTD correction factor is___________________?

A. > 0.75
B. < 0.75
C. < 0.50
D. < 0.25

It is not recommended to use a 1-2 shell and tube heat exchanger for a particular heat duty, whenever the LMTD correction factor is___________________? Read More »

Chemical Heat Transfer