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NEW QUESTION 15
Huawei Monitoring System NetEco Must not support monitoring of third-party devices.
- A. True
- B. False
Answer: B
NEW QUESTION 16
The following ____________ options do not belong to the characteristics of direct air-cooled air-conditioning.
Answer:
Explanation:
unlimited installation distance
NEW QUESTION 17
If ups The capacity is 20KVA, Then in normal work,ups The front-end input capacity may be ____________ .
Answer:
Explanation:
25KVA
NEW QUESTION 18
The compressor is the core of the refrigeration cycle. It is the power device for the refrigerant to circulate in the system. It reduces the low temperature from the evaporator. The compressed steam is compressed into high temperature and high pressure steam.
- A. False
- B. True
Answer: B
NEW QUESTION 19
Huawei Monitoring System NETECO Support video real-time browsing.
- A. False
- B. True
Answer: B
NEW QUESTION 20
There are three different classifications of grounding forms in low-voltage power distribution systems,
____________ . The second capital letter represents ____________ .
Answer:
Explanation:
TN,TT,IT , representing the relationship between the exposed conductive part of the power receiving system and the ground
NEW QUESTION 21
The following ____________ is correct 1A fixed valve-regulated sealed lead-acid battery 2VMonomer, the rated capacity is 800Ah.
Answer:
Explanation:
GFM-800
NEW QUESTION 22
Data center room PUE The smaller the value, the greater the power consumed by the supporting infrastructure of the data center such as cooling and power supply.
- A. True
- B. False
Answer: B
NEW QUESTION 23
The general method of connecting lead-acid batteries is to string first and then parallel.
- A. False
- B. True
Answer: B
NEW QUESTION 24
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 25
Gas fire-fighting system refers to a fire-extinguishing system that uses gas ____________ as the fire extinguishing medium. ____________ .
Answer:
Explanation:
including steam and aerosol , just Indeed
NEW QUESTION 26
Huawei monitoring system ECC800 The collector can be inserted at most ____________ A power supply module.
Answer:
Explanation:
2
NEW QUESTION 27
Data centers usually use gas fire protection systems.
- A. False
- B. True
Answer: B
NEW QUESTION 28
Environmentally friendly refrigerant R410A Refrigeration performance is better than non-refrigerant R22 better.
- A. True
- B. False
Answer: B
NEW QUESTION 29
The condensate of the air conditioner is formed by condensation after the air warning surface cooler cools down.
- A. False
- B. True
Answer: B
NEW QUESTION 30
In the battery structure, the ____________ component functions to remove excess gas.
Answer:
Explanation:
safety valve
NEW QUESTION 31
In the air-conditioning system, the function of the ____________ is to use water cooling or air cooling to cool the high-temperature and high-pressure gas discharged from the compressor and release heat to the outside world.
Answer:
Explanation:
condenser
NEW QUESTION 32
RS485 The interface only supports two-wire system, not four-wire system.
- A. True
- B. False
Answer: B
NEW QUESTION 33
Dynamic ring monitoring system can be applied to ____________ .
Answer:
Explanation:
data center computer room, unattended substation, wireless base station, transmission node computer room
NEW QUESTION 34
PLE Defined as the power consumption of the data center power supply and distribution system and IT The ratio of the power consumption of the device.
- A. False
- B. True
Answer: B
NEW QUESTION 35
When the load is 60KW, Each ups The capacity is 100KVA, Power Factor 0.95, Then when the system must be redundantly configured, at least ____________ tower ups.
Answer:
Explanation:
2
NEW QUESTION 36
The following air conditioning, which is comfort air conditioning?
- A. room dedicated air conditioning
B Clean air conditioning - B. Medical air conditioning
- C. Commercial air conditioners
Answer: B
NEW QUESTION 37
Which of the following descriptions about the air supply method from top to bottom is correct ____________ .
Answer:
Explanation:
the air supply outlet is located in the upper part of the air-conditioned room, and the return air outlet is located in the lower part of the air-conditioned room
NEW QUESTION 38
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