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Mechanical Engineering
MEDIUM
ENGLISH
Mechanical Engineering
A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is________________?
A
Ammonia
Option A
Carbon dioxide
Correct answer
C
Freon
Option C
D
Brine
Option D
Correct answer: B
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