QUESTION: 65

The principle of evaporator is to convert refrigerant from liquid to gas, take away the heat of the object to be refrigerated, to achieve refrigeration.

True
False

Answer(s): A

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QUESTION: 66

Cryogenic components improve the continuous low pressure caused by low temperature start-up, thus allowing the air conditioner to start up normally.

TRUE
FALSE

Answer(s): A

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QUESTION: 67

Common communication equipment ways have RS232, RS485, FE, etc.

TRUE
FALSE

Answer(s): A

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Protective grounding: grounding refers to the direct connection with the earth, electrical installations or electrical parts of the live part of a point connected with the earth, electrical installations or other devices are not charged part of the normal point of the earth and man-made connection.

True
False

Answer(s): A

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Free H12-411 Exam Braindumps (page: 18)

QUESTION: 65

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QUESTION: 68