Which of the refrigerant ratings indicates that a refrigerant is considered a lower-toxicity refrigerant?
A) A3 B) B1 C) B3 D) B2
A
Trades & Technology
You might also like to view...
Red staining of fixtures is a symptom of which type of water problem?
a. turbidity b. hardness c. acidity d. dissolved iron
Trades & Technology
?Why should the oil pan be removed before turning the engine over (upside down) when mounted on an engine stand?
What will be an ideal response?
Trades & Technology
An example of a pressure vessel is ____.
A. a small ship containing refrigerant cylinders B. the compressor in a refrigeration unit C. a cylinder containing refrigerant D. a portable dolly
Trades & Technology
When a three-phase, half-wave rectifier is used, the average DC voltage can be computed by multiplying the peak value of voltage by ____.
a. .827 b. 1.169 c. 1.414 d. 4.80
Trades & Technology