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NEW QUESTION 10
STS The static transfer switch can switch between different input power sources and provide dual power supply for single power loads.
- A. False
- B. True
Answer: B
NEW QUESTION 11
During the construction process, the nitrogen bottle operation must be equipped with special ____________ .
Answer:
Explanation:
nitrogen pressure reducing valve, goggles, antifreeze gloves
NEW QUESTION 12
TN-S The three-phase unbalanced current in the low-voltage power distribution system makes the protection line PS Generate voltage to ground.
- A. False
- B. True
Answer: A
NEW QUESTION 13
For unsaturated air, dry bulb temperature, wet bulb temperature, A The relationship between point temperature is ____________ .
Answer:
Explanation:
dry bulb temperature>wet bulb temperature>dew point temperature
NEW QUESTION 14
Huawei chilled water air conditioners rely on ____________ to adjust the water flow.
Answer:
Explanation:
electric two-way valve
NEW QUESTION 15
UPS The front-end input can be two mains, one main and one standby, or one mains and one diesel engine input.
- A. False
- B. True
Answer: B
NEW QUESTION 16
The dynamic environment monitoring system can be deployed in medium and large modular data centers, small modular data centers, container data centers, etc.
- A. False
- B. True
Answer: B
NEW QUESTION 17
At present, storage batteries are mainly installed in racks and cabinets in data centers.
- A. False
- B. True
Answer: B
NEW QUESTION 18
The following ____________ are not part of the chilled water air conditioner.
Answer:
Explanation:
condensants
NEW QUESTION 19
The components of Huawei's dynamic environment monitoring system are ____________ .
Answer:
Explanation:
NETECO server,ECC800,intelligent ETH Socket, skylight execution Device
NEW QUESTION 20
Huawei Monitoring System NetEco Cannot provide to third-party network management system SNMP Formal interface.
- A. False
- B. True
Answer: A
NEW QUESTION 21
____________ The main function is electric energy distribution, which distributes the front-end electric energy to various types of electrical equipment according to requirements, standards and specifications, such as ups, Air conditioning, lighting system, etc.
Answer:
Explanation:
Low-voltage power distribution system
NEW QUESTION 22
In the main road mode, when ups The front-end voltage is at 220V±10%When fluctuating,ups The output voltage will also have Larger fluctuations.
- A. False
- B. True
Answer: A
NEW QUESTION 23
The increase of cabinet power density will lead to the emergence of local hot spots in the computer room, and row-level air conditioners can solve local problems. The hot spot is too high.
- A. False
- B. True
Answer: B
NEW QUESTION 24
The following are interfaces:\.
- A. RJ12
- B. DB25
- C. snmp
- D. modbus
Answer: A,B
NEW QUESTION 25
Huawei monitoring system ECC800 The collector can be inserted at most ____________ A power supply module.
Answer:
Explanation:
2
NEW QUESTION 26
Huawei Monitoring System Neteco Can only access support SNMP Protocol equipment.
- A. False
- B. True
Answer: A
NEW QUESTION 27
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