Get 100% Passing Success With True H12-411_V2.0 Exam! [Nov-2021]
Huawei H12-411_V2.0 PDF Questions - Exceptional Practice To HCIA-Data Center Facility V2.0
NEW QUESTION 84
same MCB Rated ultimate short-circuit breaking capacity of circuit breaker LCU Generally less than the rated operating short-circuit breaking capacity LCS.
- A. True
- B. False
Answer: B
NEW QUESTION 85
MCB Circuit breakers can be divided into different tripping characteristics B, C, D, Z, K Level, for IT For load, you should use ____________ class Tripping characteristics.
Answer:
Explanation:
C
NEW QUESTION 86
The following ____________ Yes UPS 2N. The advantages of the system.
Answer:
Explanation:
power supply redundancy, no need to switch the load to maintenance bypass mode, you can ups System maintenance, no single path failure point
NEW QUESTION 87
The following ____________ is not the basic function of low-voltage circuit breakers.
Answer:
Explanation:
dual power supply switching
NEW QUESTION 88
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 89
According to the degree of equipment concentration, the air conditioning system can be divided into
____________ .
Answer:
Explanation:
centralized, semi-centralized, decentralized
NEW QUESTION 90
International Electrotechnical Commission ____________. The specified contact voltage limit is
____________V, And stipulate 25V. The following does not need to consider the prevention Safety measures to prevent electric shock.
Answer:
Explanation:
IEC , 50
NEW QUESTION 91
Sensible heat ratio=Sensible heat/Full heat/Sensible heat/(Sensible heat+Latent heat).
- A. True
- B. False
Answer: A
NEW QUESTION 92
CLF Defined as the power consumption of data center cooling equipment and IT The ratio of the power consumption of the device.
- A. True
- B. False
Answer: A
NEW QUESTION 93
The following ____________ Circuit breakers are usually used ITLow-voltage circuit breaker for the load.
Answer:
Explanation:
MCB
NEW QUESTION 94
The abbreviation for valve-regulated lead-acid battery is VRLA.
- A. True
- B. False
Answer: A
NEW QUESTION 95
The alarms of the dynamic environment monitoring system usually have different levels.
- A. True
- B. False
Answer: A
NEW QUESTION 96
Exist UPS in the system, the most comprehensive description of the role of the inverter circuit is
____________ .
Answer:
Explanation:
converting the rectified DC voltage of the mains or the battery voltage into AC voltage
NEW QUESTION 97
Which of the following statements about the battery is wrong:
- A. When the battery leaks, do not touch it directly with your hands.
- B. The reason for the swelling of the battery is that the pressure becomes higher due to excessive gas evolution.
- C. When the battery reaches the end of its service life, it does not require special treatment and can be sold directly to scrap for recycling.
- D. The battery room should prevent the temperature from being too high to prevent thermal runaway.
Answer: C
NEW QUESTION 98
Huawei Monitoring System NETECO Support video real-time browsing.
- A. True
- B. False
Answer: A
NEW QUESTION 99
____________ 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 100
The following ____________ Is the correct statement 6Two fixed valve-regulated sealed lead-acid battery cells are connected in series, and the rated capacity is 150AH.
Answer:
Explanation:
6-GFM-150
NEW QUESTION 101
The refrigerant used by Huawei precision air conditioner is ____________ .
Answer:
Explanation:
R410A
NEW QUESTION 102
Reflects the dryness of the air, the smaller the value, the drier the air.
- A. Relative humidity
- B. Dry bulb temperature
- C. Moisture content
- D. Wet bulb temperature
Answer: A
NEW QUESTION 103
The type of compressor used by Huawei's air-cooled precision air conditioner is ____________ .
Answer:
Explanation:
vortex type
NEW QUESTION 104
Climbing personnel must be equipped with necessary safety belts that meet the safety requirements, and use them correctly and reasonably according to the use regulations, while being supervised.
- A. True
- B. False
Answer: A
NEW QUESTION 105
In the low-voltage power distribution system,PE The function of the line is to provide a path for the fault current when the power supply system fails.
- A. True
- B. False
Answer: A
NEW QUESTION 106
If ups The capacity is 20KVA, Then in normal work,ups The front-end input capacity may be ____________ .
Answer:
Explanation:
25KVA
NEW QUESTION 107
The following ____________ is correct 1A fixed valve-regulated sealed lead-acid battery 2VMonomer, the rated capacity is 800Ah.
Answer:
Explanation:
GFM-800
NEW QUESTION 108
The administrator cannot segment the login time and login of other users through the Huawei monitoring system IP Address restrictions.
- A. True
- B. False
Answer: B
NEW QUESTION 109
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