Professional Electric Corp

Category: HVAC

HVAC Quizz

HVAC

HVAC QUIZ 2

1 / 6

What is a common refrigerant used in air conditioning systems?

R-22

R-410A

R-134a

2 / 6

What is a common cause of HVAC system short cycling?

Oversized equipment

Low outdoor temperatures

Dirty air filters

3 / 6

What is a common symptom of an HVAC refrigerant leak?

Reduced airflow from vents

Ice buildup on the evaporator coil

Loud banging noises from the outdoor unit

4 / 6

What is the role of the evaporator coil in an HVAC system?

To remove moisture from the air

To release heat into the outdoor air

To absorb heat from indoor air

5 / 6

What is a common sign of a malfunctioning expansion valve?

Reduced airflow from vents

Ice buildup on the evaporator coil

Excessive noise from the outdoor unit

6 / 6

What is the function of a heat pump in an HVAC system?

To heat the outdoor air during the winter

To cool the indoor air during the summer

To transfer heat between indoor and outdoor environments depending on the season

Your score is

The average score is 100%

HVAC

HVAC QUIZ 1

1 / 6

What is a common refrigerant used in air conditioning systems?

R-22

R-410A

R-134a

2 / 6

What is a common cause of HVAC system short cycling?

Oversized equipment

Low outdoor temperatures

Dirty air filters

3 / 6

What is a common symptom of an HVAC refrigerant leak?

Reduced airflow from vents

Ice buildup on the evaporator coil

Loud banging noises from the outdoor unit

4 / 6

What is the role of the blower motor in an HVAC system?

To circulate air throughout the building

To compress refrigerant gas

To regulate the temperature of the air

5 / 6

What is the role of the evaporator coil in an HVAC system?

To remove moisture from the air

To release heat into the outdoor air

To absorb heat from indoor air

6 / 6

What component of an HVAC system is responsible for pressurizing and circulating refrigerant?

Condenser coil

Compressor

Expansion valve

Your score is

The average score is 67%

Category: Electric

Electric Quizz

ELECTRIC 1

1 / 6

What is the purpose of a ground fault circuit interrupter (GFCI)?

To regulate voltage levels

To protect against electrical shock in wet or damp locations

To store electrical energy

2 / 6

What is the purpose of a ground wire in an electrical circuit?

To carry current to the load

To provide a path for electricity to flow safely to the ground

To control the flow of current

3 / 6

What does a circuit breaker do?

Measures electrical current

Controls the voltage of a circuit

Protects against overload and short circuits

4 / 6

What does AC stand for in electricity?

Alternating Current

Advanced Circuitry

Amperes Control

5 / 6

What is the primary purpose of an electrical grounding system?

To provide a safe path for electrical currents in the event of a fault

To regulate voltage levels

To store electrical energy

6 / 6

What is the typical voltage supplied by a standard household outlet in the United States?

110 volts

220 volts

440 volts

Your score is

The average score is 100%

ELECTRIC 2

1 / 6

What is the typical voltage supplied by a standard household outlet in the United States?

110 volts

220 volts

440 volts

2 / 6

What does AC stand for in electricity?

Alternating Current

Advanced Circuitry

Amperes Control

3 / 6

What is the function of a transformer in an electrical system?

To convert AC to DC

To regulate voltage levels

To control the flow of current

4 / 6

What does a circuit breaker do?

Measures electrical current

Controls the voltage of a circuit

Protects against overload and short circuits

5 / 6

What is the purpose of a ground wire in an electrical circuit?

To carry current to the load

To provide a path for electricity to flow safely to the ground

To control the flow of current

6 / 6

What is the purpose of a ground fault circuit interrupter (GFCI)?

To regulate voltage levels

To protect against electrical shock in wet or damp locations

To store electrical energy

Your score is

The average score is 92%

Category: HVAC

Category: Electric

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