Quiz 5 Part 1

Question 1

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

Answer 1

Pipe threader die

Question 2

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

Answer 2

Carbon dioxide meter

Question 3

After brazing a joint in a very tight location, the technician would use a _____ to determine if the joint is properly brazed.

Answer 3

Inspection mirror

Question 4

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

Answer 4

Draft Gauge

Question 5

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

Answer 5

Cordless drill

Question 6

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

Answer 6

Oxygen meter

Question 7

A vacuum pump removes _____ and air from a refrigeration system.

Answer 7

Moisture

Question 8

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

Answer 8

Tap

Question 9

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

Answer 9

Carbon monoxide meter

Question 10

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

Answer 10

Vacuum pump

Question 11

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

Answer 11

Sling psychrometer

Question 12

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

Answer 12

Leveler

Question 13

Utility knife

Answer 13

Plasterboard/fiberboard

Question 14

Stripper and crimping tool plastic

Answer 14

Copper wire

Question 15

Tubing shear

Answer 15

PVC pipe

Question 16

Tubing cutter

Answer 16

Soft-drawn copper tubing

Question 17

Hacksaw

Answer 17

Metal stock

Question 18

Flare nut wrenches are use to _____.

Answer 18

Tighten or loosen nuts on copper tubing

Question 19

A wiring and crimping tool is used to _______.

Answer 19

Cut and strip wire

Question 20

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

Answer 20

The ratchet handle can loosen and tighten a nut or hex head bolt with minimal movement.
There are multiple sockets that can be interchanged easily to accommodate many different size nuts and bolts.
The extension allows easier access to nuts/bolts in tight locations.

Question 21

A sling psychrometer

Answer 21

Measures the dry-bulb and wet-bulb temperatures of air

Question 22

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

A. Adjustable wrench. B. Combination wrench. C. Hex key. D. Open end wrench.

Answer 22

Hex key

Question 23

Tube cutters are used to _____.

Answer 23

Cut copper tubing

Question 24

A gauge and manifold assembly used in refrigeration work may include _____.

Answer 24

A four-way valve design using a shutoff valve for each hose.
Compound gauge, standard gauge, manifold, valves and hoses.
Either two or four valves.

Question 25

The halide leak detector ____.

Answer 25

Detects refrigerant leaks in a refrigeration system.

Question 26

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

Answer 26

Open and close refrigerant service valves

Question 27

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

Answer 27

False

Question 28

True or false: Variable speed reversible electric drills can be used to drill holes as well as tighten and loosen screws.

Answer 28

True

Question 29

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

Answer 29

False

Question 30

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

Answer 30

True

Question 31

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

Answer 31

False