ACR-204 Homework week 9 (unit 41)

Front

As a rule of thumb, the air leaving the evaporator will be about ____ than the air entering the evaporator.

Back

17-20° cooler

Front

A service valve can be used to ____.

Back

isolate the refrigerant so the system can be serviced

Front

A typical evaporator superheat reading at the evaporator outlet for a central air-conditioning system on a 95°F day would be ____°F.

Back

10-12

Front

On a 95°F day, the R-22 refrigerant pressure on the high side should be about ____ psig.

Back

243

Front

The liquid line temperature is used to determine the ____ of a condenser.

Back

subcooling

Front

To accurately add refrigerant to a system, a condenser ambient temperature of ____°F should be simulated.

Back

95

Front

The instrument to use to check for a short in the compressor motor winding is a(n) ____.

Back

ohmmeter

Front

With a rise in outdoor temperature, will the head pressure rise?

Back

True

Front

Superheat occurs in the condenser as well as the evaporator.

Back

True

Front

The best way to tell if a compressor's discharge line is at the correct temperature is to grab hold of it.

Back

False