RAC 40 QUIZ 5 Review Questions 100%
Solved (A+ Solution Guide)
The tool used to create pipe threads on the outside of a pipe is called a_________ -
Answers -✔✔ Die
A(n) ___________ Is used to measure the amount of CO2 in flue products - Answers -
✔✔ CO2/O2 Indicator
After brazing a joint in a very tight location, the technician would use a(n) __________
to determine if the joint is properly brazed. - Answers -✔✔ Inspection mirror
The dial type meter used to measure the pressure in heating unit flue pipe is called a(n)
- Answers -✔✔ Draft gauge
When required to drill holes on a roof that has no power supply, the best drill for the job
would be a(n) __________ - Answers -✔✔ Cordless drill
A(n) __________ is used to measure the amount of O2 in flue products - Answers -✔✔
Oxygen indicator
A vacuum pump removes __________ and air from a refrigeration system. - Answers -
✔✔ Non-condensible gasses
The tool used to create internal treads is called a(n) __________ - Answers -✔✔ Tap
A(n) __________ is used to measure the percentage of CO in flue products - Answers -
✔✔ carbon manoxide indicator
Evacuating a system is accomplished with a(n) __________ and helps to remove air
and non-condesible gases from a system - Answers -✔✔ Vacuum pump
An instrument that can be used to determine the relative humidity of air is the
___________ - Answers -✔✔ Sling psychrometer
Mercury bulb-controlled thermostats required that they are installed perfectly horizontal.
The tool used to accomplish this is called a(n) ___________ - Answers -✔✔ Leveling
tool
For what is a soldering gun usually used for? - Answers -✔✔ Usually used for
connecting wire strands together
, What is the major advantage of a clamp on ammeter? - Answers -✔✔ You do not have
to cut into the wire to get a reading
What does a VOM meter measure? - Answers -✔✔ Volts-ohms-miliamps
*Match cutting tool to material*
A. Soft drawn copper tubing
B. Copper wire
C. PVC pipe
D. Plasterboard/Fiberboard
E. Metal stock - Answers -✔✔ __1. Utility knife
__2. Stripper and crimping tool plastic
__3. Tubing shear
__4. Tubing cutter
__5. Hack saw
Flare nut wrenches are used to:
A. tighten nuts that cannot be reached with other wrenches
B. remove hex head screws from refrigerator cabinet
C. tighten or loosen nuts on copper tubing
D. open or close refrigerant service valves - Answers -✔✔ C. tighten or loosen nuts on
copper tubing
A wiring and crimping tool is used to:
A. Staple low-voltage wire
B. Crimp tubing
C. Cut and strip wire
D. Fasten insulation to duct - Answers -✔✔ C. Cut and strip wire
A socket set is an integral part of a technician's toolbox because.
A. The ratchet handle can loosen and tighten a nut or hex head bolt with minimal
movement
B. there are multiple sockets that can be interchanged easily to accommodate different
size nuts and bolts
C. the extension allows easier access to nuts and bolts in tight locations
D. All of the above - Answers -✔✔ D. All of the above
A sling psycrometer __________
A. Measures the dry bulb and wet bulb temperatures of air
B. measures the air velocity through a duct.
C. uses on micro processor to provide information for proper air balance
D. measures the quantity of air in CFM flowing through a duct - Answers -✔✔ A.
Measures the dry bulb and wet bulb temperatures of air
Solved (A+ Solution Guide)
The tool used to create pipe threads on the outside of a pipe is called a_________ -
Answers -✔✔ Die
A(n) ___________ Is used to measure the amount of CO2 in flue products - Answers -
✔✔ CO2/O2 Indicator
After brazing a joint in a very tight location, the technician would use a(n) __________
to determine if the joint is properly brazed. - Answers -✔✔ Inspection mirror
The dial type meter used to measure the pressure in heating unit flue pipe is called a(n)
- Answers -✔✔ Draft gauge
When required to drill holes on a roof that has no power supply, the best drill for the job
would be a(n) __________ - Answers -✔✔ Cordless drill
A(n) __________ is used to measure the amount of O2 in flue products - Answers -✔✔
Oxygen indicator
A vacuum pump removes __________ and air from a refrigeration system. - Answers -
✔✔ Non-condensible gasses
The tool used to create internal treads is called a(n) __________ - Answers -✔✔ Tap
A(n) __________ is used to measure the percentage of CO in flue products - Answers -
✔✔ carbon manoxide indicator
Evacuating a system is accomplished with a(n) __________ and helps to remove air
and non-condesible gases from a system - Answers -✔✔ Vacuum pump
An instrument that can be used to determine the relative humidity of air is the
___________ - Answers -✔✔ Sling psychrometer
Mercury bulb-controlled thermostats required that they are installed perfectly horizontal.
The tool used to accomplish this is called a(n) ___________ - Answers -✔✔ Leveling
tool
For what is a soldering gun usually used for? - Answers -✔✔ Usually used for
connecting wire strands together
, What is the major advantage of a clamp on ammeter? - Answers -✔✔ You do not have
to cut into the wire to get a reading
What does a VOM meter measure? - Answers -✔✔ Volts-ohms-miliamps
*Match cutting tool to material*
A. Soft drawn copper tubing
B. Copper wire
C. PVC pipe
D. Plasterboard/Fiberboard
E. Metal stock - Answers -✔✔ __1. Utility knife
__2. Stripper and crimping tool plastic
__3. Tubing shear
__4. Tubing cutter
__5. Hack saw
Flare nut wrenches are used to:
A. tighten nuts that cannot be reached with other wrenches
B. remove hex head screws from refrigerator cabinet
C. tighten or loosen nuts on copper tubing
D. open or close refrigerant service valves - Answers -✔✔ C. tighten or loosen nuts on
copper tubing
A wiring and crimping tool is used to:
A. Staple low-voltage wire
B. Crimp tubing
C. Cut and strip wire
D. Fasten insulation to duct - Answers -✔✔ C. Cut and strip wire
A socket set is an integral part of a technician's toolbox because.
A. The ratchet handle can loosen and tighten a nut or hex head bolt with minimal
movement
B. there are multiple sockets that can be interchanged easily to accommodate different
size nuts and bolts
C. the extension allows easier access to nuts and bolts in tight locations
D. All of the above - Answers -✔✔ D. All of the above
A sling psycrometer __________
A. Measures the dry bulb and wet bulb temperatures of air
B. measures the air velocity through a duct.
C. uses on micro processor to provide information for proper air balance
D. measures the quantity of air in CFM flowing through a duct - Answers -✔✔ A.
Measures the dry bulb and wet bulb temperatures of air
