Check valves are used in the refrigeration system to route refrigerant in only one direction. On the refrigeration system that uses the 3-way valve how may check valves are used within the system?

A. 1
B. 2
C. 3
D. 4


Answer: C

Trades & Technology

You might also like to view...

When is a formal review of the subcontractor's performance appropriate and how is it performed?

What will be an ideal response?

Trades & Technology

A run of 250 feet with a grade of  3/32" represents what drop?

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

Coolant pump leaks are often caused by worn bearings.

Answer the following statement true (T) or false (F)

Trades & Technology

A thermocouple is a device that ____.

A. converts heat to mechanical movement B. converts heat to current flow C. converts heat to electrical energy D. couples two temperature controls together

Trades & Technology