Under certain conditions of atmospheric pressure and water vapor content, to cool the air, when the air reaches saturation, cooling will continue to condense when the temperature is ().

Under certain conditions of atmospheric pressure and water vapor content, to cool the air, when the air reaches saturation, cooling will continue to condense when the temperature is ().A . Dry bulb temperatureB . Wet bulb temperatureC . Dew point temperatureD . Absolute temperatureView AnswerAnswer: C

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Huawei's monitoring system NetEco can only manage the infrastructure of a single data center and can not centrally manage multiple data center infrastructures managed by different regions.

Huawei's monitoring system NetEco can only manage the infrastructure of a single data center and can not centrally manage multiple data center infrastructures managed by different regions.A . TrueB . FalseView AnswerAnswer: B

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According to the principle of tripping, the MCB circuit breaker can be divided into () and (). (Multiple Choice)

According to the principle of tripping, the MCB circuit breaker can be divided into () and (). (Multiple Choice)A . Thermal tripB . Cold tripC . Magnetic tripD . Short circuitView AnswerAnswer: AC

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Alarms of the dynamic environment monitoring system usually have different levels.

Alarms of the dynamic environment monitoring system usually have different levels.A . TrueB . FalseView AnswerAnswer: A

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UPS common system configuration are N system, N + X system and 2N system.

UPS common system configuration are N system, N + X system and 2N system.A . TrueB . FalseView AnswerAnswer: A

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The features of UPS are (). (Multiple Choice)

The features of UPS are (). (Multiple Choice)A . steady voltageB . Steady frequencyC . Anti-voltage surgeD . continue to supply power to the load when there is no utility powerView AnswerAnswer: ABCD

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Huawei monitoring system NetEco only can access to the equipment supported SNMP protocol.

Huawei monitoring system NetEco only can access to the equipment supported SNMP protocol.A . TrueB . FalseView AnswerAnswer: B

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UPS can clean electricity input, output stable exchange, to protect the load.

UPS can clean electricity input, output stable exchange, to protect the load.A . TrueB . FalseView AnswerAnswer: A

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In dynamic environment monitoring system, checking alarm detailed information can help to locate the alarm source.

In dynamic environment monitoring system, checking alarm detailed information can help to locate the alarm source.A . TrueB . FalseView AnswerAnswer: A

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The basic principle of runner dehumidifier is that the water vapor runs into cooling copper tube fins forming water droplets and dehumidification.

The basic principle of runner dehumidifier is that the water vapor runs into cooling copper tube fins forming water droplets and dehumidification.A . TrueB . FalseView AnswerAnswer: B

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