When using a recovery machine manufactured before November 15, 1993, the recovery level for Type II systems containing over 200 lb of R-12 refrigerant is:
A) 0 psig. B) 4 in Hg vacuum. C) 10 in Hg vacuum. D) 15 in Hg vacuum.
B
Trades & Technology
You might also like to view...
Which of the following is an Imperial unit of measurement?
a. Centimeter b. Celsius c. Meter d. Foot
Trades & Technology
The standard distance between stations in the US is _____.
a. 50 feet (15.2 meters) b. 75 feet (22.9 meters) c. 100 feet (30.5 meters d. 200 feet (61 meters)
Trades & Technology
While passing through the condenser, refrigerant is in three different states. What are they?
What will be an ideal response?
Trades & Technology
What type of current reverses its direction of flow at regular intervals?
A. direct B. alternating
Trades & Technology