Refrigeration And Air Conditioning Technology 8th Edition Tomczyk - Test Bank

Refrigeration And Air Conditioning Technology 8th Edition Tomczyk - Test Bank   Instant Download - Complete Test Bank With Answers     Sample Questions Are Posted Below   1. Which of the following tools is different from the rest with respect to the shape of the nut or screw that it turns?   a. Open end …

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Refrigeration And Air Conditioning Technology 8th Edition Tomczyk – Test Bank

 

Instant Download – Complete Test Bank With Answers

 

 

Sample Questions Are Posted Below

 

1. Which of the following tools is different from the rest with respect to the shape of the nut or screw that it turns?

  a. Open end wrench. b. Combination wrench.
  c. Hex key. d. Adjustable wrench.

 

ANSWER:   c
POINTS:   1
REFERENCES:   General Tools
QUESTION TYPE:   Multiple Choice
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   12/19/2015 11:46 AM

 

2. A socket set is an integral part of a technician’s tool box because ____.

  a. the extension allows easier access to nuts/bolts in tight locations
  b. the ratchet handle can loosen and tighten a nut or hex head bolt with minimal movement
  c. there are multiple sockets that can be interchanged easily to accommodate many different size nuts and bolts
  d. All of the above.

 

ANSWER:   d
POINTS:   1
REFERENCES:   Specialized Hand Tools
QUESTION TYPE:   Multiple Choice
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   12/19/2015 11:46 AM

 

3. A wiring and crimping tool is used to ____.

  a. crimp tubing b. cut and strip wire
  c. staple low voltage wire d. fasten insulation to duct

 

ANSWER:   b
POINTS:   1
REFERENCES:   Specialized Hand Tools
QUESTION TYPE:   Multiple Choice
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

4. Air conditioning and refrigeration reversible ratchet wrenches are used to ____.

  a. tighten hex head sheet metal screws
  b. tighten flare nuts
  c. open and close refrigerant service valves
  d. tighten nuts that cannot be reached with other wrenches

 

ANSWER:   c
POINTS:   1
REFERENCES:   Specialized Hand Tools
QUESTION TYPE:   Multiple Choice
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

5. Flare nut wrenches are used to ____.

  a. tighten or loosen nuts on copper tubing
  b. open or close refrigerant service valves
  c. tighten nuts that cannot be reached with other wrenches
  d. remove hex head screws from refrigerator cabinets

 

ANSWER:   a
POINTS:   1
REFERENCES:   Specialized Hand Tools
QUESTION TYPE:   Multiple Choice
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

6. Tube cutters are used to ____.

  a. cut insulation for tubing
  b. cut iron pipe used for natural gas or liquefied petroleum gas
  c. cut copper tubing
  d. cut sheet metal duct

 

ANSWER:   c
POINTS:   1
REFERENCES:   Tubing Tools
QUESTION TYPE:   Multiple Choice
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

7. A gauge manifold used in refrigeration work may include ____.

  a. compound gauge, high-pressure gauge, manifold, valves and hoses
  b. either two or four valves
  c. a four-way valve design using a shutoff valve for each hose
  d. All of the above.

 

ANSWER:   d
POINTS:   1
REFERENCES:   Specialized Service and Installation Equipment
QUESTION TYPE:   Multiple Choice
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   12/19/2015 11:47 AM

 

8. A sling psychrometer ____.

  a. measures the dry-bulb and wet-bulb temperatures of air
  b. measures the air velocity through a duct
  c. uses a microprocessor to provide information for proper air balance
  d. measures the quantity of air, in cfm, flowing through a duct

 

ANSWER:   a
POINTS:   1
REFERENCES:   Other Tools
QUESTION TYPE:   Multiple Choice
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

9. The halide leak detector ____.

  a. detects nitrogen leaks in the refrigeration system
  b. is used to detect water leaks in a chilled water system
  c. detects refrigerant leaks in a refrigeration system
  d. detects air leaks in duct systems

 

ANSWER:   c
POINTS:   1
REFERENCES:   Refrigerant Leak Detectors
QUESTION TYPE:   Multiple Choice
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

10. Variable speed reversible electric drills can be used to drill holes as well as tighten and loosen screws.

  a. True
  b. False

 

ANSWER:   True
POINTS:   1
REFERENCES:   General Tools
QUESTION TYPE:   True / False
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   12/12/2015 1:10 PM

 

11. The odd shape of the Torx type screw driver is the square shaft used to tighten or loosen set screws.

  a. True
  b. False

 

ANSWER:   False
POINTS:   1
REFERENCES:   General Tools
QUESTION TYPE:   True / False
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

12. A programmable charging scale measures the volume of refrigerant flow into a refrigeration system.

  a. True
  b. False

 

ANSWER:   False
POINTS:   1
REFERENCES:   Specialized Service and Installation Equipment
QUESTION TYPE:   True / False
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

13. An instrument called a clamp-on ammeter is so called because the tongs can be clamped around a single wire.

  a. True
  b. False

 

ANSWER:   True
POINTS:   1
REFERENCES:   Other Tools
QUESTION TYPE:   True / False
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

14. A clamp-on ammeter is designed to measure only alternating current.

  a. True
  b. False

 

ANSWER:   True
POINTS:   1
REFERENCES:   Other Tools
QUESTION TYPE:   True / False
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

15. When required to drill holes on a roof that has no power supply, the best drill for the job would be a(n) ____________________.

ANSWER:   battery operated cordless drill
POINTS:   1
REFERENCES:   General Tools
QUESTION TYPE:   Completion
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   12/21/2015 4:38 PM

 

16. The tool used to create pipe threads on the outside of a pipe is called a(n) ____________________.

ANSWER:   die
POINTS:   1
REFERENCES:   General Tools
QUESTION TYPE:   Completion
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

17. The tool used to create internal threads is called a(n) ____________________.

ANSWER:   tap
POINTS:   1
REFERENCES:   General Tools
QUESTION TYPE:   Completion
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

18. Mercury bulb-controlled thermostats require that they are installed perfectly horizontal. The tool used to accomplish this is called a(n) ____________________.

ANSWER:   level
POINTS:   1
REFERENCES:   General Tools
QUESTION TYPE:   Completion
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

19. After brazing a joint in a very tight location, the technician would use a(n) ____________________ to determine if the joint is properly brazed.

ANSWER:   inspection mirror
POINTS:   1
REFERENCES:   Specialized Hand Tools
QUESTION TYPE:   Completion
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   12/21/2015 4:39 PM

 

20. Evacuating a system is accomplished with a(n) ____________________ and helps to remove air and non-condensable gases from a system.

ANSWER:   vacuum pump
POINTS:   1
REFERENCES:   Specialized Service and Installation Equipment
QUESTION TYPE:   Completion
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   12/21/2015 4:39 PM

 

21. A vacuum pump removes ____________________ and air from a refrigeration system.

ANSWER:   non-condensables

non-condensable gases

POINTS:   1
REFERENCES:   Specialized Service and Installation Equipment
QUESTION TYPE:   Completion
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   12/21/2015 4:40 PM

 

22. A(n) ____________________ is used to measure the percentage of CO in flue products.

ANSWER:   carbon monoxide indicator
POINTS:   1
REFERENCES:   Other Tools
QUESTION TYPE:   Completion
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   12/21/2015 4:40 PM

 

23. A(n) ____________________ is used to measure the amount of CO2 in flue products.

ANSWER:   carbon dioxide indicator
POINTS:   1
REFERENCES:   Other Tools
QUESTION TYPE:   Completion
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   12/21/2015 4:41 PM

 

24. A(n) ____________________ is used to measure the amount of O2 in flue products.

ANSWER:   oxygen indicator
POINTS:   1
REFERENCES:   Other Tools
QUESTION TYPE:   Completion
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

25. The dial-type meter used to measure the pressure in a heating unit flue pipe is called a(n) ____________________.

ANSWER:   draft gauge
POINTS:   1
REFERENCES:   Other Tools
QUESTION TYPE:   Completion
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

26. An instrument that can be used to determine the relative humidity of air is the ____________________.

ANSWER:   psychrometer
POINTS:   1
REFERENCES:   Other Tools
QUESTION TYPE:   Completion
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

27. For what is a soldering gun usually used?

ANSWER:   For soldering electrical connections.
POINTS:   1
REFERENCES:   Other Tools
QUESTION TYPE:   Subjective Short Answer
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   12/12/2015 1:15 PM

 

28. What is the major advantage of a clamp-on ammeter?

ANSWER:   The advantage is the ability to measure current flow through a wire without breaking the circuit.
POINTS:   1
REFERENCES:   Other Tools
QUESTION TYPE:   Subjective Short Answer
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   12/12/2015 1:03 PM

 

29. What does a VOM meter measure?

ANSWER:   It measures volts, ohms, and milliamperes.
POINTS:   1
REFERENCES:   Other Tools
QUESTION TYPE:   Subjective Short Answer
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   3/12/2015 12:21 PM

 

Match the cutting tool to the material on which it would best be used.

a. Soft-drawn copper tubing
b. Copper wire
c. PVC pipe
d. Plasterboard / fiberboard
e. Metal stock

 

REFERENCES:   General Tools
Tubing Tools
General Tools
Specialized Hand Tools
Tubing Tools
QUESTION TYPE:   Matching
HAS VARIABLES:   False
DATE CREATED:   3/12/2015 12:21 PM
DATE MODIFIED:   12/12/2015 1:18 PM

 

30. Hacksaw

ANSWER:   e
POINTS:   1

 

31. Tubing cutter

ANSWER:   a
POINTS:   1

 

32. Utility knife

ANSWER:   d
POINTS:   1

 

33. Stripper and crimping tool plastic

ANSWER:   b
POINTS:   1

 

34. Tubing shear

ANSWER:   c
POINTS:   1

 

 

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