Aux 2 Unit 10 Quiz 2

Aux 2 Unit 10 Q2

1 / 7

Which of the following is a type of damper used to control airflow in an air conditioning system?

D) Pressure relief damper

C) Expansion valve

B) Butterfly damper

A) Check valve

2 / 7

Which damper type is designed to adjust automatically to regulate airflow based on pressure changes?

D) Heat exchanger damper

C) Ball valve damper

B) Pressure-controlled damper

A) Gravity damper

3 / 7

How is an automatic fire damper typically activated in a vertical air duct?

B) By detecting a change in airflow speed

A) By manual operation

D) By a pressure sensor that activates during overpressure

C) By a fusible link or temperature sensor that releases when exposed to high heat

4 / 7

What is the primary purpose of an automatic fire damper in an air duct?

A) To increase airflow during peak cooling

C) To regulate temperature in the duct system

D) To provide insulation against heat loss

B) To prevent the spread of smoke and flames through ductwork during a fire

5 / 7

What is a characteristic of a louvered damper in an HVAC system?

A) It only operates in a fully open or fully closed position

D) It is designed to release pressure during emergencies

B) It has slats that can be adjusted to control the volume of airflow

C) It is used exclusively for heating systems

6 / 7

What type of movement is associated with the closure of an automatic fire damper?

A) Gradual adjustment to airflow

B) Rapid snap-shut movement to seal the duct

D) Continuous adjustment to maintain ventilation

C) Rotational movement to direct airflow

7 / 7

Where are automatic fire dampers typically installed in an air conditioning system?

B) In horizontal ducts only

D) At the entrance of air filters

C) In vertical air ducts or ducts passing through fire-rated bulkheads and walls

A) In every room vent to control local airflow

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