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Guide for HVAC Qualifier

Quiz HVAC Qualifier

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/ 10

Quiz

1/10
Refrigeration Cycle
In the refrigeration cycle, which component is primarily responsible for reducing the pressure of the refrigerant as it passes from the condenser to the evaporator?
Select the answer
1 correct answer
A.
Compressor
B.
Expansion Valve
C.
Condenser
D.
Evaporator

Quiz

2/10
HVAC System Components
Which component of an HVAC system is primarily responsible for transferring heat from the refrigerant to the outdoor air?
Select the answer
1 correct answer
A.
Evaporator coil
B.
Condenser coil
C.
Expansion valve
D.
Air handler

Quiz

3/10
Air Quality and Ventilation
Which of the following best describes the primary purpose of a ventilation system in relation to indoor air quality?
Select the answer
1 correct answer
A.
It introduces fresh outdoor air to dilute contaminants
B.
It only recirculates indoor air to maintain temperature
C.
It removes moisture from the indoor environment exclusively
D.
It solely filters particulates without air exchange

Quiz

4/10
Thermodynamics Principles
Which principle of thermodynamics states that energy cannot be created or destroyed, only transformed in an isolated system?
Select the answer
1 correct answer
A.
First law of thermodynamics
B.
Second law of thermodynamics
C.
Third law of thermodynamics
D.
Zeroth law of thermodynamics

Quiz

5/10
Duct Design and Installation
When designing ductwork for an HVAC system, which of the following factors is NOT typically critical in determining duct size?
Select the answer
1 correct answer
A.
Airflow requirements
B.
Static pressure losses
C.
Building insulation type
D.
Duct material limitations

Quiz

6/10
Cooling Systems and Equipment
In a central air conditioning system, which component is primarily responsible for absorbing heat from the indoor air?
Select the answer
1 correct answer
A.
Evaporator coil
B.
Compressor
C.
Condenser coil
D.
Expansion valve

Quiz

7/10
Troubleshooting HVAC Systems
What is the first step to take when diagnosing an HVAC system that is not cooling properly?
Select the answer
1 correct answer
A.
Check the thermostat settings
B.
Inspect the air filter
C.
Verify that the condenser is running
D.
Examine ductwork for blockages

Quiz

8/10
Electrical Basics for HVAC
Which equation correctly represents Ohm's Law, commonly used in HVAC electrical systems?
Select the answer
1 correct answer
A.
V = I / R
B.
V = I * R
C.
V = R / I
D.
I = V * R

Quiz

9/10
HVAC Controls and Automation
Which device in an HVAC control system is primarily responsible for regulating indoor temperature by sensing and reacting to changes in the environment?
Select the answer
1 correct answer
A.
Thermostat
B.
Compressor
C.
Expansion valve
D.
Heat exchanger

Quiz

10/10
Heating Systems and Equipment
Which component in a forced air heating system is responsible for moving the heated air through the ducts?
Select the answer
1 correct answer
A.
Combustion Chamber
B.
Blower Fan
C.
Heat Exchanger
D.
Air Filter
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Info quiz:

  • Quiz name:HVAC Qualifier
  • Total number of questions:502
  • Number of questions for the test:50
  • Pass score:80%

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