CPT CPT Heat Transfer & Thermodynamics

Question 1

Which mode of heat transfer occurs through direct contact between two solid objects?

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Answer

Evaporation

Question 2

What is the purpose of a heat exchanger in an industrial process system?

Accepted Answer

Transfer thermal energy between two fluid streams without mixing them

Answer

Generate steam for turbines only

Answer

Measure fluid temperature differentials

Answer

Store heat energy for later use

Question 3

In a shell-and-tube heat exchanger, which fluid typically flows through the tubes?

Accepted Answer

The fluid requiring more pressure containment or that is more corrosive

Answer

The fluid at the lowest pressure only

Answer

The cooling water always

Answer

The fluid with the higher flow rate always

Question 4

What does the term 'LMTD' represent in heat exchanger calculations?

Accepted Answer

Log Mean Temperature Difference

Answer

Low Mass Temperature Differential

Answer

Linear Mean Thermal Demand

Answer

Latent Material Transfer Degree

Question 5

A process fluid temperature rises from 60°F to 160°F. What is the temperature rise in degrees Celsius?

Accepted Answer

55.6°C

Answer

100°C

Answer

37.8°C

Answer

44.4°C

Question 6

Which thermodynamic law states that energy cannot be created or destroyed, only converted from one form to another?

Accepted Answer

First Law of Thermodynamics

Answer

Zeroth Law of Thermodynamics

Answer

Second Law of Thermodynamics

Answer

Third Law of Thermodynamics