The refrigerants that a particular recovery unit is designed for can be determined by:

A) Trying different refrigerants, measuring the unit amp draw, and comparing against the nameplate.
B) Looking for the AHRI/UL certification label.
C) Recovery machines must work with all refrigerants to be EPA certified.
D) Measuring the pressure and temperature of the refrigerant in the recovery unit and comparing them to a saturated pressure-temperature chart.


B

Trades & Technology

You might also like to view...

A potentiometer usually has how many wires?

A) Four B) Three C) Two D) None of these

Trades & Technology

Before the airbag can inflate, the squib circuit must have a ground. The ground is provided through the actuation of which of these?

A) Forward discriminating sensor B) Passenger discriminating sensor C) Either A or B D) Arming switch

Trades & Technology

Silage is a product of fermentation

Indicate whether the statement is true or false

Trades & Technology

Describe three methods for layout of landscape improvements:

What will be an ideal response?

Trades & Technology