How are safety ratings for zeotropic refrigerants different than for compounds?
A) Zeotropic refrigerants use the same rating system as all other refrigerants.
B) They precede the normal letter and number with the letter Z for zeotropic.
C) They follow the normal letter and number rating with the letter Z for zeotropic.
D) Zeotropic refrigerants are assigned a safety group classification based on the worst case of fractionation.
D
You might also like to view...
According to the National Electrical Code®, how far must audio equipment supplied by a branch-circuit be installed from the inside wall of the body of water?
A. Not less than 12 inches B. 3ft. C. 5ft
Which of these is NOT a sign of dehydration?
A) dry mouth and nose B) lack of energy C) bulging eyes D) abnormal breathing
About when did the Little Ice Age begin?
a. 1060 b. 1125 c. 1270 d. 1400
If two 4 ohm speakers are connected in series, meaning the positive (+) of one speaker is connected to the negative (-) of the other speaker, the total impedance will be ________
A) 4 B) 8 C) 2 D) 6