Refrigerants
Leak Testing
Refrigerant Oils
Charging
Evacuation
100

Moisture in a system will react with refrigerant and oil to form?

Acid or Sludge

100

The method of leak detector that senses a leak disturbances created by gases, liquids, or solids is called?

Ultrasonic

100

The term used to measure an oil's viscosity is?

SSU's

Saybolt Seconds Universal

100

Charging refrigerant in the suction line is commonly performed in which state?

Vapour

100

A deep vacuum is measured in ?

Microns

200

A blended refrigerant evaporating or condensing before the rest of the blend?

Fractionation

200

The best method to confirm a suspected leak is by using?

Soap / Bubble Solution

200

HFC refrigerants will typically use this type of oil?

POE

200

R400 series refrigerants should always be charged into a system in which state?

Liquid

200

Pulling a vacuum more than once and breaking the vacuum with twice with nitrogen before pulling below 500 microns?

Triple Evacuation

300

The reprocessing of refrigerant to meet new product specifications is called?

Reclaim

300

The best method of leak testing a brand new system?

Nitrogen - standing Pressure Test

300

The ability that POE oil has to absorb moisture is referred to as?

Hygroscopic 

300

A tool used to flash or meter liquid when charging a blend refrigerant in the suction line?

Restrictor

300

The best instrument to measure a deep vacuum?

Micron Gauge

400

Removing refrigerant from a system is called?

Recovery

400

In BC what determines how long a standing pressure test with nitrogen is?

B52 Codebook

400

A term used to describe the ability of oil to mix and travel with refrigerant?

Miscibility

400

When charging refrigerant in a vapour state , the refrigerant cylinder may become ?

Cold

400

Vacuum pump oil that is discolored or milky may indicate the presence of what substance?

Moisture

500

Cleaning refrigerant by the use of filter driers is referred to as?

Recycling

500

CFC's, HCFC's, and HFC refrigerant leaks a commonly found using which specialty tool?

Electronic Leak Detector

500

HCFC refrigerants will most likely use this type of oil?

AB

Alkylbenzene

500

The best way to add refrigerant to a critically charged system?

Weigh In

500

In order for a vacuum pump to remove moisture in a liquid state, the moisture must be?

Vapourized