Heat Exchanger

Heat exchanger is an equipment used to transfer heat from the hot fluid to cold fluid.

• True

• False

Figure shows ___________heat exchanger.

• counter current flow

• parallel flow

• cocurrent flow

• cross flow

Figure shows ___________heat exchanger.

• Counter current

• cross flow

• parallel flow

• co current flow

Indicate the shell tube pass arrangement.

• 1 - 1 shell and tube heat exchanger

• 1 - 2 shell tube and heat exchanger

• 2 - 2 shell and tube heat exchanger

• 2 - 4 shell and tube heat exchanger

What is the purpose of using baffles in shell-and-tube heat exchangers?

• to enhance heat transfer

• to maintain uniform spacing between tubes

• both

• none

What is the purpose of increasing the number of tubes in the heat exchanger?

• reduce surface turbulence

• support and fix the tubes in a defined position

• to increase the heat transfer area

• None of the above

Identify a, b and c.

• a. Tube

  b. Shell

  c. Baffle

• a. Baffle

  b. Shell

  c. Tube

• a. Baffle

  b. Tube

  c. Shell

• a. Shell

  b. Tube

  c. Baffle

What are the protection device installed in heat exchanger to prevent over pressure?

• Relief valve

• Flow meters

• Pressure transmitter

• Rupture disc

What are the principles of operation of heat exchanger?

• Conduction and convection

• Conduction and radiation

• Radiation and convection

• Convection and radiation

What should be monitored during the maintenance of heat exchanger?

• External leaks

• Temperature changes

• internal tube leaks

• All of the above