Test your basic knowledge |

NATE Air Conditioning Components

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. When installing an evaporator coil - before soldering - the end of the evaporator lines must be opened to the atmosphere because...
To prevent condensation from forming
The coil is precharged with nitrogen
The compressor and condenser connected by a refrigeration line set to the metering device and evaporator
A TXV

2. What is the secondary voltage on a step-down control transformer for a residential furnace...
To prevent condensation from forming
Evaporator
The suction line must be pitched toward the condensing unit
24 volts

3. To ensure proper oil return to the compressor - when installing a refrigeration line set...
Insulated
The suction line must be pitched toward the condensing unit
Metering device
Have a minimum perimeter of 3' larger than the unit being served

4. What must be done to the system when a condensing unit is precharged for 25' of refrigerant line and uses 32' of refrigerant line...
Near a return-air grill
Refrigerant must be added to the system
Metering device
Must be located in a conspicuous place to serve as an alarm

5. Quick-connect fittings are commonly used on...
Evaporator
Capillary action
Metering device (restrictor)
Precharged refrigeration linesets

6. The part of an air conditioning system that changes the refrigerant from a low-pressure gas to a high-pressure gas is the...
The blower relay coil
Compressor
A compression fitting
The temperature increases

7. An auxiliary drain pan must...

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

8. Why is it recommended to add a gravel fill under the pad of a condensing unit...
This will prevent settling of the ground - which can cause refrigerant line damage
A compression fitting
Have a minimum perimeter of 3' larger than the unit being served
The power from the transformer

9. A split-system air conditioning unit has...
The heating control circuit
Compressor
Near a return-air grill
The compressor and condenser connected by a refrigeration line set to the metering device and evaporator

10. Where does the refrigerant change from a low-pressure gas to a high-pressure gas...
Compressor
The heating control circuit
The coil is precharged with nitrogen
The receiver

11. What type of metering device is used on a 12 SEER split air conditioning system...
A TXV
Must be coiled horizontally and the vapor must flow from top to bottom
Precharged refrigeration linesets
This will prevent settling of the ground - which can cause refrigerant line damage

12. When installing a refrigeration line set through a masonry wall
To prevent condensation from forming
The coil is precharged with nitrogen
The lines must be covered by PVC to prevent contact with the masonry material
The coil is precharged with nitrogen

13. To ensure proper oil return to the compressor - when installing a refrigeration line set...
The suction line must be pitched toward the condensing unit
The heating control circuit
The accumulator
Condenser

14. What is the secondary voltage on a step-down control transformer for a residential furnace...
Insulated
The cooling contactor coil
24 volts
To prevent condensation from forming

15. What is the purpose for insulating a suction line...
The contactor coil
Refrigerant must be added to the system
To prevent condensation from forming
The accumulator

16. The part of an air conditioning system that changes the refrigerant from a low-pressure gas to a high-pressure gas is the...
Condenser
Evaporator
To prevent condensation from forming
Compressor

17. The part of an air conditioning system that changes the refrigerant from a low-pressure liquid to a low-pressure gas is the...
Near a return-air grill
Evaporator
To prevent condensation from forming
Precharged refrigeration linesets

18. What is the 'Y' terminal used for on the thermostat...
Metering device
Compressor
24 volts
The cooling contactor coil

19. Which part of the system prevents liquid from entering the compressor...
Evaporator
The accumulator
The cooling contactor coil
Precharged refrigeration linesets

20. The part of an air conditioning system that changes the refrigerant from a high-pressure gas to a high-pressure liquid is the...
Check for tight connections at electrical terminals
Capillary action
Condenser
Metering device (restrictor)

21. What is the 'W' terminal used for on the thermostat...
The contactor coil
Must be coiled horizontally and the vapor must flow from top to bottom
The heating control circuit
The suction line must be pitched toward the condensing unit

22. What must be done to the system when a condensing unit is precharged for 25' of refrigerant line and uses 32' of refrigerant line...
Refrigerant must be added to the system
Precharged refrigeration linesets
The accumulator
The lines must be covered by PVC to prevent contact with the masonry material

23. Which part of the system stores refrigerant until it is needed in the evaporator...
The accumulator
The receiver
The blower relay coil
The heating control circuit

24. A normally closed float switch that is connected to an auxiliary drain pan should be wired to control...
Refrigerant must be added to the system
A compression fitting
Must be located in a conspicuous place to serve as an alarm
The contactor coil

25. Which part of the system prevents liquid from entering the compressor...
Have a minimum perimeter of 3' larger than the unit being served
The heating control circuit
A TXV
The accumulator

26. What type of fitting uses an O-ring to help seal its joint...
Insulated
The accumulator
A compression fitting
24 volts

27. Where does the refrigerant change from a low-pressure liquid to a low-pressure gas...
Compressor
A TXV
Evaporator
24 volts

28. Before energizing a newly installed system - what test should always be done...
Check for tight connections at electrical terminals
Refrigerant must be added to the system
Compressor
Compressor

29. What is the 'are' terminal used for on the thermostat...
The temperature increases
Have a minimum perimeter of 3' larger than the unit being served
The power from the transformer
Compressor

30. The part of an air conditioning system that changes the refrigerant from a high-pressure liquid to a low-pressure liquid is the...
Near a return-air grill
Insulated
Evaporator
Metering device

31. Where does the refrigerant change from a high-pressure gas to a high-pressure liquid...
Refrigerant must be added to the system
Condenser
The coil is precharged with nitrogen
A TXV

32. A room thermostat should be mounted...
Evaporator
Near a return-air grill
Condenser
The power from the transformer

33. A split-system air conditioning unit has...
The compressor and condenser connected by a refrigeration line set to the metering device and evaporator
The temperature increases
The power from the transformer
The heating control circuit

34. What is the 'G' terminal used for on the thermostat...
Metering device (restrictor)
The blower relay coil
Near a return-air grill
24 volts

35. To ensure proper oil return to the compressor - a coiled refrigeration lineset...
The compressor and condenser connected by a refrigeration line set to the metering device and evaporator
Compressor
Must be coiled horizontally and the vapor must flow from top to bottom
The cooling contactor coil

36. Which part of the system stores refrigerant until it is needed in the evaporator...
The suction line must be pitched toward the condensing unit
The receiver
Refrigerant must be added to the system
Compressor

37. Why is it recommended to add a gravel fill under the pad of a condensing unit...
The heating control circuit
Capillary action
This will prevent settling of the ground - which can cause refrigerant line damage
The cooling contactor coil

38. Where does the refrigerant change from a high-pressure gas to a high-pressure liquid...
Condenser
Insulated
This will prevent settling of the ground - which can cause refrigerant line damage
The contactor coil

39. To ensure proper oil return to the compressor - a coiled refrigeration lineset...
Near a return-air grill
Must be coiled horizontally and the vapor must flow from top to bottom
Have a minimum perimeter of 3' larger than the unit being served
This will prevent settling of the ground - which can cause refrigerant line damage

40. Where does the refrigerant change from a low-pressure gas to a high-pressure gas...
The cooling contactor coil
208-volt/240-volt single-phase power supply
The accumulator
Compressor

41. When installing a refrigeration line set through a masonry wall
Precharged refrigeration linesets
To prevent condensation from forming
The lines must be covered by PVC to prevent contact with the masonry material
Must be located in a conspicuous place to serve as an alarm

42. In a sealed system - as the pressure increases...
Compressor
The temperature increases
Check for tight connections at electrical terminals
The receiver

43. A room thermostat should be mounted...
The coil is precharged with nitrogen
Metering device (restrictor)
Have a minimum perimeter of 3' larger than the unit being served
Near a return-air grill

44. In a sealed system - as the pressure increases...
The blower relay coil
Evaporator
Metering device
The temperature increases

45. What is the purpose for insulating a suction line...
The coil is precharged with nitrogen
To prevent condensation from forming
Check for tight connections at electrical terminals
The accumulator

46. When soldering a copper connection and solder is drawn into the joint - This is commonly called...
Condenser
The receiver
Capillary action
A TXV

47. Residential split-system outdoor condensing units are commonly wired with a...
This will prevent settling of the ground - which can cause refrigerant line damage
208-volt/240-volt single-phase power supply
24 volts
The compressor and condenser connected by a refrigeration line set to the metering device and evaporator

48. Quick-connect fittings are commonly used on...
Precharged refrigeration linesets
Near a return-air grill
The power from the transformer
To prevent condensation from forming

49. Where does the refrigerant change from a high-pressure liquid to a low-pressure liquid...
The suction line must be pitched toward the condensing unit
The coil is precharged with nitrogen
To prevent condensation from forming
Metering device (restrictor)

50. An auxiliary drain pan must...

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Major Subjects
Tests & Exams AP CLEP DSST GRE SAT GMAT	Certifications CISSP go to https://www.isc2.org/ PMP ITIL RHCE MCTS More...	IT Skills Android Programming Data Modeling Objective C Programming Basic Python Programming Adobe Illustrator More...	Business Skills Advertising Techniques Business Accounting Basics Business Strategy Human Resource Management Marketing Basics More...
Soft Skills Body Language People Skills Public Speaking Persuasion Job Hunting And Resumes More...	Vocabulary GRE Vocab SAT Vocab TOEFL Essential Vocab Basic English Words For All Global Words You Should Know Business English More...	Languages AP German Vocab AP Latin Vocab SAT Subject Test: French Italian Survival Norwegian Survival More...	Engineering Audio Engineering Computer Science Engineering Aerospace Engineering Chemical Engineering Structural Engineering More...
Health Sciences Basic Nursing Skills Health Science Language Fundamentals Veterinary Technology Medical Language Cardiology Clinical Surgery More...	English Grammar Fundamentals Literary And Rhetorical Vocab Elements Of Style Vocab Introduction To English Major Complete Advanced Sentences Literature Homonyms More...	Math Algebra Formulas Basic Arithmetic: Measurements Metric Conversions Geometric Properties Important Math Facts Number Sense Vocab Business Math More...	Other Major Subjects Science Economics History Law Performing-arts Cooking Logic & Reasoning Trivia

Test your basic knowledge |

NATE Air Conditioning Components

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests

Major Subjects

Tests & Exams

Certifications

IT Skills

Business Skills

Soft Skills

Vocabulary

Languages

Engineering

Health Sciences

English

Math

Other Major Subjects

Browse all subjects

Browse all tests

Most popular tests