Section 2 Unit 5

Question 1

gauge manifold

Answer 1

A tool that has more than one gauge with a valve arangment to control the fluid flow

Question 2

A tool that has more than one gauge with a valve arangment to control the fluid flow

Answer 2

Gauge manifold

Question 3

High pressure gauge

Answer 3

The gauge used to measure the pressure on the high pressure side on a air conditioning or refrigeration system

Question 4

The gauge used to measure the pressure on the high pressure side on a air conditioning or refrigeration system

Answer 4

high pressure gauge

Question 5

Manifold

Answer 5

A device where multiple outlets and inlets that can be controlled with valves and other devices

Side note: industry normally uses a gas manifold with orifice for gas burning appliances and a gauge manifold used by technicians

Question 6

A device where multiple outlets and inlets that can be controlled with valves and other devices

Answer 6

Manifold

Question 7

Soldering gun

Answer 7

a tool primarily used to soldering electronic connections

Question 8

a tool primarily used to soldering electronic connections

Answer 8

soldering gun

Question 9

A torch that uses a propane gas. as it’s fuel

Answer 9

propane gas torch

Question 10

Air-acelytene units

Answer 10

a torch kit that uses acelytene as its fuel

Question 11

Oxyacelytene welding unit

Answer 11

a torch kit that utilize is pure oxygen and acelytene in order to produce a much hotter flame than an Air-acelytene torch kit

Question 12

Punch, lever, and die are all types of _________.

a. riveting toolsb.
B threading toolsc.
C flaring toolsd.
D swaging tools

Answer 12

swaging tools

Question 13

A tap is used to cut external threads and a die is used to cut internal threads.

a. True
b. False

Answer 13

B false

Question 14

Tubing benders should be used for bending _________.
a. soft and hard copper

b. soft copper and aluminum	
c. steel and soft copper	
d. aluminum and brass

Answer 14

b. soft copper and aluminum

Question 15

The tool used to remove air and noncondenseable gases from a refrigeration system is __________.
a. charging scale

b. vacuum pump	
c. electronic thermistor	
d. recovery

Answer 15

b. vacuum pump

Question 16

A ___________ is used to change pins in a charged system or to evacuate a system faster.

a. Schrader core removal tool	
b. micron gauge	
c. charging scale	
d. low loss fitting

Answer 16

a. Schrader core removal tool

Question 17

A test instrument that can measure things such as voltage, current, resistance, and microamps is called a ____________.

a. multimeter	
b. ammeter	
c. ohmmeter	
d. megohmmeter

Answer 17

a. multimeter

Question 18

A megohmmeter is used to test ______________.

a. compressor current	
b. voltage in a live circuit	
c. very high resistances	
d. continuity in switches

Answer 18

c. very high resistances

Question 19

A combustion analyzer can measure levels of _________ in flue gas.
a. O2, CH4, O3, and CO

b. CO2, C3H8, and CO	
c. O2, CO, NOx, and SO2

Answer 19

c. O2, CO, NOx, and SO2

Question 20

digital vacuum gauge measures a vacuum in microns and may have other scales as well.

a. True
b. False

Answer 20

True

Question 21

An electronic leak detector can be used to locate leaks in a system that is charged with _____________, depending on the model.
a. HCFCs only

b. CFCs only	
c. CFCs, HCFCs, or HFCs	
d. HFCs only

Answer 21

c. CFCs, HCFCs, or HFCs