[2023年11月] を試そう！リアルH12-411_V2.0問題集で100%無料H12-411_V2.0試験問題集
H12-411_V2.0のPDF問題集試験問題 有効なH12-411_V2.0問題集
質問 # 72
The following are air-cooled row-level air conditioners ____________ .
正解：
解説：
Netcol5000-A
質問 # 73
The possible functions of the dynamic loop monitoring system include ____________ .
正解：
解説：
operation status monitoring, operating parameter display, alarm information display, remote Process management
質問 # 74
The user can use the ____________ function to assign personnel to handle the fault.
正解：
解説：
work order management
質問 # 75
TN-S The three-phase unbalanced current in the low-voltage power distribution system makes the protection line PS Generate voltage to ground.
- A. True
- B. False
正解：B
質問 # 76
The user can upgrade the device version in the ____________ interface.
正解：
解説：
software management
質問 # 77
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
正解：B
質問 # 78
____________ Support creating report tasks according to report templates.
正解：
解説：
Report management
質問 # 79
The role of the lead-acid battery battery is to contain electrolyte, plates, separators, etc.
- A. True
- B. False
正解：A
質問 # 80
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.
正解：
解説：
2
質問 # 81
RS485 The interface only supports two-wire system, not four-wire system.
- A. True
- B. False
正解：B
質問 # 82
During the construction process, the nitrogen bottle operation must be equipped with special ____________ .
正解：
解説：
nitrogen pressure reducing valve, goggles, antifreeze gloves
質問 # 83
According to the storage methods of different electrolytes in batteries, it can be divided into ____________ with ____________ .
正解：
解説：
GEL , AGM
質問 # 84
The following ____________ belong to the characteristics of water-cooled chilled water air conditioners.
正解：
解説：
need to install a cooling tower, suitable for large and medium-sized data centers
質問 # 85
There are three different classifications of grounding forms in low-voltage power distribution systems,
____________ . The second capital letter represents ____________ .
正解：
解説：
TN,TT,IT , representing the relationship between the exposed conductive part of the power receiving system and the ground
質問 # 86
UPS Common system configurations are N system,N+X system,2N system.
- A. True
- B. False
正解：A
質問 # 87
PUE The closer the value ____________, indicating that the energy efficiency status of the data center is good.
正解：
解説：
1
質問 # 88
If ups The capacity is 20KVA, Then in normal work,ups The front-end input capacity may be ____________ .
正解：
解説：
25KVA
質問 # 89
The data center computer room monitoring system mainly monitors power systems, environmental systems, and fire fighting systems.
- A. True
- B. False
正解：A
質問 # 90
MCB Circuit breakers can be divided into ____________ and (magnetic trip) according to the principle of tripping.
正解：
解説：
thermal trip
質問 # 91
The ____________ function of the dynamic loop monitoring system can display the real-time status of the equipment.
正解：
解説：
real-time signal
質問 # 92
In the low-voltage power distribution system,N The role of the wire is to return the AC operating current.
- A. True
- B. False
正解：A
質問 # 93
The abbreviation for valve-regulated lead-acid battery is VRLA.
- A. True
- B. False
正解：A
質問 # 94
Compared with comfort air conditioners, special air conditioners for computer rooms have the following advantages ____________ .
正解：
解説：
large air volume, small enthalpy difference. High sensible heat ratio, more accurate temperature and humidity control. Year-round cooling
質問 # 95
UPS The functions are ____________ .
正解：
解説：
voltage stabilization, frequency stabilization, anti-voltage surge, continuous power supply to the load when there is no mains
質問 # 96
The refrigerant used by Huawei precision air conditioner is ____________ .
正解：
解説：
R410A
質問 # 97
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