Heat exchangers

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

• True

• False

Figure shows ___________heat exchanger.

• Double-pipe

• Multipass

• Cross-flow

• None of above

•The simplest type of heat exchanger

•One fluid flows through the smaller pipe while the other fluid flows through the annular space

Statements above describe what type of heat exchanger?

• Plate and frame

• Shell and tube

• Double pipe

• Compact

This figure represents what type of heat exchanger?

• Double pipe

• Plate and frame

• Shell and tube

• Compact

Select method/s used in the analysis of

heat exchangers.

• Arithmetic Mean Temperature Different

• Log Mean Temperature Different (LMTD)

• Effectiveness-NTU

• All of above

Figure represents equation for ?

• Fouling factor

• Effectiveness-NTU

• LMTD

• Overall heat transfer coefficient

Choose two(2) types of flow arrangement possible in double-pipe heat exchanger.

• Parallel flow

• Counter flow

• Multipass

• Cross-flow

Which of the following is NOT a type of heat exchanger?

• Recuperator

• Regenerator

• Mixer

• none of the above

The energy transfer between the hot fluid and cold fluids is brought about by their complete physical mixing in

• Direct contact heat exchanger

• Recuperators

• Regenerators

• Boilers

In how many categories heat exchangers are classified on the basis of direction of flow of fluids?

• 4

• 3

• 2

• 1