From the following refrigerants, which is one of the most stable refrigerants?
A) ammonia
B) r - 12
C) carbon dioxide
D) sulphur dioxide
Correct Answer:
Verified
Q14: The flicker effect of fluorescent lamps is
Q15: ...... is a cold cathode lamp.
A)fluorescent lamp
B)neon
Q16: For normal reading the illumination level required
Q17: Which gas can be filled in GLS
Q18: Which of the following is not the
Q19: The refrigerants which are first cooled by-----------------refrigerants
Q20: Which one of the following inorganic refrigerants
Q22: In the presence of which of the
Q23: ---------------------is widely used in large industrial plants
Q24: Where is the reciprocating compressor mostly suitable?
A)small
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