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NEW QUESTION 52
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. True
- B. False
Answer: A
NEW QUESTION 53
At present, storage batteries are mainly installed in racks and cabinets in data centers.
- A. True
- B. False
Answer: A
NEW QUESTION 54
In the dynamic environment monitoring system, the user queries the alarm information of the refrigeration equipment through the ____________ function.
Answer:
Explanation:
alarm management
NEW QUESTION 55
Huawei monitoring system ECC800 The collector can be inserted at most ____________ A power supply module.
Answer:
Explanation:
2
NEW QUESTION 56
Huawei Monitoring System NETECO The northbound interface can be accessed ____________ .
Answer:
Explanation:
upper-level network management
NEW QUESTION 57
Environmentally friendly refrigerant R410A Refrigeration performance is better than non-refrigerant R22 better.
- A. True
- B. False
Answer: B
NEW QUESTION 58
Regarding the description of the data center cooling system, the following ____________ is wrong.
Answer:
Explanation:
in the cabinet-level, row-level, and room-level cooling, the airflow path of the row-level cooling method is the shortest
NEW QUESTION 59
The fuse can protect personal safety when the equipment leaks.
- A. True
- B. False
Answer: B
NEW QUESTION 60
The following are air-cooled row-level air conditioners ____________ .
Answer:
Explanation:
Netcol5000-A
NEW QUESTION 61
The ____________ function of the dynamic loop monitoring system can display the real-time status of the equipment.
Answer:
Explanation:
real-time signal
NEW QUESTION 62
Compared with comfort air conditioners, special air conditioners for computer rooms have the following advantages ____________ .
Answer:
Explanation:
large air volume, small enthalpy difference. High sensible heat ratio, more accurate temperature and humidity control. Year-round cooling
NEW QUESTION 63
The following air conditioning, which is comfort air conditioning?
- A. Medical air conditioning
- B. Commercial air conditioners
- C. room dedicated air conditioning
B Clean air conditioning
Answer: A
NEW QUESTION 64
Sensible heat ratio=Sensible heat/Full heat/Sensible heat/(Sensible heat+Latent heat).
- A. True
- B. False
Answer: A
NEW QUESTION 65
The refrigerant used by Huawei precision air conditioner is ____________ .
Answer:
Explanation:
R410A
NEW QUESTION 66
____________ 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 67
The dynamic environment monitoring system supports the alarm management function.
- A. True
- B. False
Answer: A
NEW QUESTION 68
In the case of ____________, ups Will work in static bypass mode.
Answer:
Explanation:
inverter failure
NEW QUESTION 69
UPS systematic N+X System ratio 2N The power supply guarantee level of the system is higher.
- A. True
- B. False
Answer: B
NEW QUESTION 70
Huawei Monitoring System NetEco Cannot provide to third-party network management system SNMP Formal interface.
- A. True
- B. False
Answer: B
NEW QUESTION 71
The function of the fire-fighting system is to automatically capture the smoke or heat in the fire detection area when a fire occurs, so as to issue an audible and visual alarm and automatically extinguish the fire.
- A. True
- B. False
Answer: A
NEW QUESTION 72
The following ____________ are not part of the chilled water air conditioner.
Answer:
Explanation:
condensants
NEW QUESTION 73
MCB Circuit breaker CThe setting value of level tripping is in ____________, used in ITLoad occasions.
Answer:
Explanation:
5-10ln
NEW QUESTION 74
In Huawei's dynamic environment monitoring system, it is at the data collection layer and can integrate the underlying components ____________ . The equipment through which information is transmitted to the monitoring software is ____________ .
Answer:
Explanation:
UPS,Air conditioner etc , ECC800
NEW QUESTION 75
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