H12-421-ENU Exam Dumps - Try Best H12-421-ENU Exam Questions from Training Expert Exam4Labs
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NEW QUESTION 110
Closed hot and cold aisle systems increase cooling efficiency and reduce energy consumption.
- A. True
- B. False
Answer: A
NEW QUESTION 111
Which humidifier is used by the NetCol 8000-A?
- A. Electrode humidifier
- B. Infrared humidifier
- C. Wet film humidifier
- D. High pressure micro-mist humidifier
Answer: B
NEW QUESTION 112
The following () characteristics are standard features of the NetCol 8000-C air conditioner.
- A. Dual power supply
- B. Water immersion sensor
- C. G4 grade filter
- D. Humidification function
Answer: C
NEW QUESTION 113
What can be detected by the optional battery inspection instrument? (Multiple choice)
- A. Voltage
- B. Frequency
- C. Internal resistance
- D. Battery case temperature
Answer: A,C,D
NEW QUESTION 114
When installing the power line on the UPS5000-E, if there are different sources on the main-lines and bypass, you need to remove the copper bars connected to the bypass and main lines first, and then connect the main circuit and bypass input respectively.
- A. True
- B. False
Answer: A
NEW QUESTION 115
In the naming of UPS5000-E-120K-HASBS, the letter E stands for ().
- A. Input switch type is MCCB
- B. Input switch type is ATS
- C. E series modular UPS
- D. 208V voltage system
Answer: C
NEW QUESTION 116
If the customer load cannot be de-energized, pay attention to ( ) when disconnecting the maintenance bypass switch after the repair is completed.
- A. Battery input is normal
- B. EPO status can be broken maintenance switch
- C. The road module has no abnormal alarm and can be powered.
- D. The maintenance bypass switch can also be disconnected when the bypass module is abnormal.
Answer: C
NEW QUESTION 117
UPS2000-A-(1-3kVA) closes the mains input switch and directly enters the bypass working state.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 118
What does the gas fire extinguishing system startup principle include? (Multiple choice)
- A. Automatic start
- B. Safe start
- C. Emergency start
- D. Manual start
Answer: A,C,D
NEW QUESTION 119
You cannot search for an alarm by setting a filter condition on NetEco's Current Alarms page.
- A. True
- B. False
Answer: B
NEW QUESTION 120
Direct Ventilation Natural Cooling Solution in the direct ventilation mode, the compressor of the air conditioner stops working, mainly because the fan replaces the outdoor cold air with the indoor hot air, so the PUE is very low.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 121
The UPS5000-E accepts input voltage frequency in a range of () Hz.
- A. 50-60
- B. 55-65
- C. 40-70
- D. 45-70
Answer: C
NEW QUESTION 122
NeCol5000-C nitrogen filling pressure value is (); holding time is ().
- A. 0.8MPa; 24h
- B. 0.8MPa; 12h
- C. 1.0MPa; 12h
- D. 1.0MPa; 24h
Answer: A
NEW QUESTION 123
When the device interface uses the Modbus-RTU protocol, what needs to be installed when accessing the ECC800?
- A. Access control actuator
- B. sunroof actuator
- C. ETH converter
- D. AC actuator
Answer: C
NEW QUESTION 124
In the air conditioning system, the pipe can maintain a positive pressure and the pipe can maintain a negative pressure.
- A. True
- B. False
Answer: B
NEW QUESTION 125
Domains can be created in NetEco, such as campuses, buildings, machine rooms, containers, etc.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 126
NetEco mobile app supports WiFi with a maximum effective distance of ( ) meters.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 127
If the UPS5000-E-400K is bypassed and the maintenance bypass is closed, both the main power module and the bypass module stop working.
- A. True
- B. False
Answer: B
NEW QUESTION 128
The assembly unit that can realize RS485/CAN to FE interface conversion is ().
- A. Smart ETH socket
- B. WiFi converter
- C. ETH converter
- D. Sunroof actuator
Answer: C
NEW QUESTION 129
UPS2000-G-(6-20kVA) battery discharge time is significantly lower than the standard time may be caused by what? (Multiple choice)
- A. No mains input
- B. Increased load
- C. Battery capacity reduction
- D. The battery is not full
Answer: B,C,D
NEW QUESTION 130
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