ACR-101 Unit 5 Quiz (CRF)

Punch, lever, and die are all types of which tools?

• Swaging tools

• Threading tools

• Riveting tools

• Flaring tools

What is the function of a flaring tool?

• To cut copper tubing

• To flare a sheet metal joint

• To put a flare on the end of copper tubing

• To provide a yoke for bending brazing filler metal

A tap is used to cut external threads, and a die is used for internal threads. Is this statement:

• True

• False

What is the primary use of a vacuum pump in refrigeration systems?

• To remove contaminants from a refrigeration system

• To vacuum dust before installing the refrigeration system compressor

• To vacuum the area before using an air-acetylene unit

• To prepare an area for taking a temperature reading

Tubing benders are specifically used for bending which materials?

• Soft and hard copper

• Steel and soft copper

• Aluminum and brass

• Soft copper and aluminum

Which tool is used to remove air and noncondensable gases from a refrigeration system?

• A vacuum pump

• A charging scale

• An electronic thermistor

• A recovery machine

What is used to change pins in a charged system or to evacuate a system faster?

• charging scale

• low loss fitting

• micron gauge

• Schrader core removal tool

A megohmmeter is used to test __________.

• voltage in a live circuit

• very high resistances

• compressor current

• continuity in switches

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

• ammeter

• megohmmeter

• multimeter

• ohmmeter

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

• HCFCs only

• HFCs only

• CFCs, HCFCs, or HFCs

• CFCs only