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خذ اختبارات أخرى عبر الإنترنت
السؤال #1
Which of the following is supported by the AI/DI port on the access control actuator?
A. IC card reader
B. Fingerprint reader
C. Open the buttoncorrect
D. Electronic magnetic lock
عرض الإجابة
اجابة صحيحة: C
السؤال #2
What is the terminal voltage of the battery in the open state?
A. Rated voltage
B. Discharge voltage
C. Open circuit voltagecorrect
D. Actual voltage
عرض الإجابة
اجابة صحيحة: C
السؤال #3
When creating a camera in NETECO, in addition to obtaining the IP address of the camera, you also need to obtain ().
A. Camera pixels
B. Camera Encodingcorrect
C. Camera installation location
D. Camera Height
عرض الإجابة
اجابة صحيحة: B
السؤال #4
One NetCol520 chilled water distribution units can maximum support () NETCOL5000-C water-cooled row-level precision air conditioners.
A. 12correct
B. 10
C. 8
D. 6
عرض الإجابة
اجابة صحيحة: A
السؤال #5
Which of the following components does not support wireless networking?
A. AAccess actuator
B. BAC actuator
C. CAisle light
D. DSkylight actuator
عرض الإجابة
اجابة صحيحة: D
السؤال #6
The NetCol5000-A35kW indoor unit installation needs to be connected to the zero line.
A. False
B. True
عرض الإجابة
اجابة صحيحة: A
السؤال #7
During the use of the battery pack, the appearance is normal, but there is no current during charging, and the voltage drop is zero at the moment of discharge, and it cannot be discharged. What could be happened in the following?
A. Breaking the battery packcorrect
B. Sulfation
C. backward battery
D. Battery leakage
عرض الإجابة
اجابة صحيحة: A
السؤال #8
The () components of Huawei NETCOL5000-A in-line precision air conditioner are optional parts.
A. Fan
B. Evaporator
C. Compressor
D. Electric heatingcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #9
It is necessary to remove the fixed sheet metal parts of the compressor before installing the indoor unit in the air-cooled air conditioner.
A. False
B. True
عرض الإجابة
اجابة صحيحة: B
السؤال #10
Modifying the micro-module layout view on ECC800 supports simultaneous editing by ( ) users.
A. 1correct
B. 2
C. 3
D. 4
عرض الإجابة
اجابة صحيحة: A
السؤال #11
When installing the UPS battery, the installation tool does not need to be insulated because the load is not charged.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #12
When a fire breaks out in the box and the fire extinguishing device releases the fire extinguishing agent into the protection area, ( ) will display the words "In The Vent, Do Not Enter".
A. Fire alarm
B. Sound and light alarm
C. Deflation indicator lightcorrect
D. Emergency Lights
عرض الإجابة
اجابة صحيحة: C
السؤال #13
In the water side natural cooling scheme, cooling water can be directly supplied from the cooling tower to the air conditioner to complete the cooling.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #14
In the installation scenario where the indoor unit is higher than the outdoor unit, the oil trap must be set.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #15
() can convert POE signal into WIFI signal.
A. VCN
B. Sunroof Actuator
C. WIFI converter
D. AC actuator
عرض الإجابة
اجابة صحيحة: C
السؤال #16
Which is not a routine maintenance item of the ECC800 power module?
A. Check if the power indicator is normal
B. Check the ECC800 module fan
C. Check if the power wiring is loose
D. Create a micro-module plan viewcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #17
Which system affects the PUE most in Data Center.
A. Power Distribution system
B. Cooling System
C. N/A
D. Lighting system
عرض الإجابة
اجابة صحيحة: B
السؤال #18
The UPS2000-G-(6-20kVA) did not report a fault but the load was cut off due to a poor connection of the output cable.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #19
Which of the following features are standard features of NETCOL8000-C air conditioners?
A. Dual power supply
B. Water Immersion Sensor
C. G4-level filtercorrect
D. Humidification function
عرض الإجابة
اجابة صحيحة: C
السؤال #20
Which of the following air supply methods must have a reasonable raised floor height?
A. Air supply from the upper hood
B. Underfloor air supplycorrect
C. Upper air duct supply
D. Row-level horizontal air supply
عرض الإجابة
اجابة صحيحة: B
السؤال #21
When the outdoor units of Huawei air-cooled air conditioners are installed horizontally, the distance between the two outdoor units is ≥ () MM.
A. 400
B. 800
C. 1200correct
D. 2000
عرض الإجابة
اجابة صحيحة: C
السؤال #22
The default battery charging voltage of UPS2000-G is () V/CELL.
A. 2
B. 2
C. 2
D. 2
عرض الإجابة
اجابة صحيحة: B
السؤال #23
Which of the following is the correct procedure for powering up the UPS5000?
A. Close the main road and bypass input switch -> Inverter start -> Set parameters, check system status -> Close battery switch -> Open load
B. Set parameters, check system status -> Close main and bypass input switch -> Inverter start -> Close battery switch -> Open load
C. Close the main circuit and bypass input switch -> set parameters, check system status -> close battery switch -> inverter start -> open load
D. Close the main road and bypass input switch -> set parameters, check system status -> inverter start -> close battery switch -> open loadcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #24
When the ECC800 detects that the connection signal to the device is interrupted, a communication interruption alarm is generated. What are the possible reasons? (Multiple choice)
A. Power supply is not normalcorrect
B. Cable connection is loosecorrect
C. Poor cable contactcorrect
D. Equipment failurecorrect
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #25
A project requires the management system to access two third-party generator sets (same model), one ATS (same model), six precision air conditioners (same model), and five smart meters (same model), then How many third-party device access fee does the management system need to report?
A. 3
B. 10
C. None of the above
D. 14
عرض الإجابة
اجابة صحيحة: C
السؤال #26
Which of the following descriptions for the configuration of the PDU8000 modular precision power distribution cabinet is correct?
A. Modular precision power distribution cabinet supports single and dual inputcorrect
B. Modular precision power distribution cabinet supports up to 4 output modules
C. The output module of the modular precision power distribution cabinet only supports 1P air switch
D. The input modules of the modular precision power distribution cabinet are MCCB and AT
عرض الإجابة
اجابة صحيحة: A
السؤال #27
The function of the check valve in the NetCol5000-A air conditioning system is ( ).
A. Filtration of impurities in the system
B. Controlling refrigerant flow
C. Effective control of gas or liquid backflowcorrect
D. Protect the water pump
عرض الإجابة
اجابة صحيحة: C
السؤال #28
Which of the following actions may be triggered after the high liquid level float of a Huawei chilled water precision air conditioner floats longer than the specified duration?
A. AThe air conditioner shuts down
B. BOne water pump starts
C. CA drainage exception alarm is generated
D. DOne water pump shuts down
عرض الإجابة
اجابة صحيحة: C
السؤال #29
If the customer's load cannot be powered off, what should be paid attention to disconnecting the maintenance bypass switch after the maintenance is completed?
A. The circuit module is normal and can supply powercorrect
B. The maintenance bypass switch can also be disconnected when the bypass module is abnormal
C. EPO filling can break the maintenance switch
D. The battery input is normal
عرض الإجابة
اجابة صحيحة: A
السؤال #30
When the Huawei air-cooled air-conditioning compressor is turned on for the first time, the crankcase heating belt needs to be preheated for more than () hours.
A. 2
B. 6
C. 12correct
D. 24
عرض الإجابة
اجابة صحيحة: C

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