CITB Test

Q: Is the CITB HS&E mock test free?

Yes. The CITB HS&E mock test on Coteca is completely free for self-preparation.

Q: Who is this mock test for?

Construction workers preparing for the official CITB Health, Safety & Environment test.

Question 1

1. What is the primary purpose of ductwork in an HVAC system?

Answer

To distribute conditioned air

Answer

To distribute conditioned air

Answer

To filter outdoor air

Answer

To filter outdoor air

Answer

To cool the refrigerant

Answer

To cool the refrigerant

Answer

To heat the air

Answer

To heat the air

Question 2

2. What is the primary reason for using duct sealant or mastic?

Answer

To prevent air leaks

Answer

To prevent air leaks

Answer

To hold ducts in place

Answer

To hold ducts in place

Answer

To insulate the ducts

Answer

To insulate the ducts

Answer

To improve appearance

Answer

To improve appearance

Question 3

3. What shape of duct is generally more space-efficient and easier to install in tight areas?

Answer

Rectangular

Answer

Rectangular

Question 4

4. What is the effect of undersized ductwork in an HVAC system?

Answer

Increases energy efficiency

Answer

Increases energy efficiency

Answer

Causes noisy operation and poor airflow

Answer

Causes noisy operation and poor airflow

Answer

Reduces static pressure

Answer

Reduces static pressure

Answer

Improves air filtration

Answer

Improves air filtration

Question 5

5. A plenum is best described as:

Answer

An air distribution box

Answer

An air distribution box

Answer

A fan control device

Answer

A fan control device

Answer

A condenser component

Answer

A condenser component

Answer

A flexible duct section

Answer

A flexible duct section

Question 6

6. What does the term CFM stand for in ductwork design?

Answer

Compressor Fan Motor

Answer

Compressor Fan Motor

Answer

Cubic Feet per Minute

Answer

Cubic Feet per Minute

Answer

Cubic Foot Measurement

Answer

Cubic Foot Measurement

Answer

Central Flow Management

Answer

Central Flow Management

Question 7

7. Which component is used to control airflow in a duct system?

Question 8

8. Duct insulation is primarily used to:

Answer

Allow flexibility in ducts

Answer

Allow flexibility in ducts

Answer

Increase air velocity

Answer

Increase air velocity

Answer

Prevent condensation and reduce heat loss/gain

Answer

Prevent condensation and reduce heat loss/gain

Answer

Support the duct structure

Answer

Support the duct structure

Question 9

9. Flexible duct is typically used in:

Answer

Outdoor ducting

Answer

Outdoor ducting

Answer

High-pressure systems

Answer

High-pressure systems

Answer

Long straight runs

Answer

Long straight runs

Answer

Tight or irregular spaces

Answer

Tight or irregular spaces

Question 10

10. Which code or standard often governs the installation of HVAC ductwork in buildings?

Question 11

11. What type of duct fitting changes the direction of airflow?

Question 12

12. Static pressure in a duct system is typically measured in:

Answer

Pascals only

Answer

Pascals only

Answer

Inches of water column

Answer

Inches of water column

Question 13

13. Which fitting is used to reduce duct size while maintaining airflow direction?

Question 14

14. What is the purpose of balancing a duct system?

Answer

To cool air more efficiently

Answer

To cool air more efficiently

Answer

To reduce static pressure

Answer

To reduce static pressure

Answer

To ensure even airflow to all rooms

Answer

To ensure even airflow to all rooms

Answer

To eliminate duct leakage

Answer

To eliminate duct leakage

Question 15

15. The recommended air velocity in residential supply ducts is:

Answer

600-900 FPM

Answer

600-900 FPM

Answer

1000-1500 FPM

Answer

1000-1500 FPM

Answer

150-300 FPM

Answer

150-300 FPM

Answer

200-400 FPM

Answer

200-400 FPM

Question 16

16. Duct leakage typically causes:

Answer

Increased system efficiency

Answer

Increased system efficiency

Answer

Higher air quality

Answer

Higher air quality

Answer

Lower static pressure

Answer

Lower static pressure

Answer

Uneven temperatures in rooms

Answer

Uneven temperatures in rooms

Question 17

17. What is the function of a return duct in an HVAC system?

Answer

To supply fresh air

Answer

To supply fresh air

Answer

To exhaust air outside

Answer

To exhaust air outside

Answer

To filter incoming air

Answer

To filter incoming air

Answer

To remove used air and bring it back to the air handler

Answer

To remove used air and bring it back to the air handler

Question 18

18. Which of the following is a major consequence of excessive static pressure in ductwork?

Answer

Quieter system operation

Answer

Quieter system operation

Answer

Lower airflow resistance

Answer

Lower airflow resistance

Answer

Overworked blower motor

Answer

Overworked blower motor

Answer

Increased efficiency

Answer

Increased efficiency

Question 19

19. What tool is commonly used to measure air velocity in ductwork?

Answer

Anemometer

Answer

Anemometer

Answer

Thermometer

Answer

Thermometer

Answer

Hydrometer

Answer

Hydrometer

Question 20

20. Which material is most commonly used for rigid ductwork in commercial HVAC systems?

Answer

Aluminum foil

Answer

Aluminum foil

Answer

Galvanized steel

Answer

Galvanized steel

Question 21

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CITB Test - Specialist (Ductwork) - Set 2

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