Quiz on Heat Exchanger

Which of the following is the tube heat exchanger?

• Shell and tube heat exchanger.

• Extended surface heat exchanger.

• Double pipe heat Exchangers.

• Kettle Reboiler.

Which of the following is not the part of shell & tube heat exchanger?

• Baffles

• Guide rod

• Tube sheets

• Vacuum pump

In a sheets & tube heat exchanger the flow pattern is usually________________.

• Concurrent.

• Counter current.

• Concurrent at a part and counter current at the other.

• Mixed well.

In a shell and tube heat exchanger, sometimes flow regimes cannot be expressed as concurrent or counter-current.

• True

• False

The purpose of floating head in a heat exchanger is to

• Avoid buckling of tubes.

• Provide support for tubes.

• Decrese the pressure drop.

• Facilitate its lengthening, if needed.

Baffle spacing should be less than the inside diameter of the shell.

• True

• False

A 2-4 heat exchanger involves______________.

• Only counter-flow of fluids.

• Only parallel-flow of fluids.

• Both A & B

• None

The main function of baffles provided in a shell and tube heat exchanger is to

• Enhance turbulance.

• Hold tube in place.

• Facilitates the cleaning of the outer tube surface.

• All of these

Baffle in the shell side of a shell and tube heat exchanger____________.

• Decresed the shell side heat transfer Co-efficient.

• Incresaed the shell side heat transfer Co-efficient.

• Force the liquid to flow paralles to the bank.

• None

Shell side pressure drop in a shell and tube heat exchanger does not depend upon the

• Baffles spacing

• Shell diameter

• Tube Diameter

• None