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خذ اختبارات أخرى عبر الإنترنت
السؤال #1
The basic principle of the rotary dehumidifier is that the water vapor encounters the condensation water droplets of the cooling tube fins to dehumidify.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #2
UPS It can purify the mains input, output stable AC, and protect the load.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #3
ATS Dual Power Automatic Transfer Switch can achieve the switching of two-way power's fast loading machine.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #4
The basic principle of the rotary dehumidifier is that the water vapor encounters the condensation water droplets of the cooling tube fins to dehumidify.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #5
Huawei monitoring system NetEco only can access to the equipment supported SNMP protocol.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #6
The surface cooler controls the indoor temperature and humidity through the heat exchangebetween the refrigerant and the indoor air.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: B
السؤال #7
Compared with the comfort air conditioning, what are the advantages of the equipment room dedicated air conditioning?
A. big air volume, little enthalpy difference
B. high sensible heat ratio
C. more accurate temperature and humidity control
D. the year refrigeration
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #8
The basic principle of the rotary dehumidifier is that the water vapor encounters the condensation water droplets of the cooling tube fins to dehumidify.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #9
pPUE is a data center PUE An extension of the concept, used to evaluate the energy efficiency of a local area of a data center or equipment And analysis.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #10
Compared with the comfort air conditioning, what are the advantages of the equipment room dedicated air conditioning?
A. big air volume, little enthalpy difference
B. high sensible heat ratio
C. more accurate temperature and humidity control
D. the year refrigeration
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #11
Huawei monitoring system NetEco only can access to the equipment supported SNMP protocol.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #12
The function of the fire protection system is automatically capture the smoke or heat when a fire occurs in the fire detection area, thereby giving an audible and visual alarm and controlling automatic fire extinguishing.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #13
UPS Common system configurations are N system,N+X system,2N system.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #14
Cooling coil controls the indoor temperature and humidity via a heat exchange with refrigerant and indoor air.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #15
During the construction process, which should be used in corrosive operation? (Multiple choice)
A. Anti-corrosion liquid goggles
B. Acid-resistant gloves
C. Anti-acid (alkali) service
D. Anti-chemical shoes
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #16
MCB circuit breaker C-level trip setting value between (_______________), used in IT load situations.
A. 2-3ln
B. 3-5In
C. 5-10ln
D. 8-15ln
عرض الإجابة
اجابة صحيحة: B
السؤال #17
During the construction process, which should be used in corrosive operation? (Multiple choice)
A. Anti-corrosion liquid goggles
B. Acid-resistant gloves
C. Anti-acid (alkali) service
D. Anti-chemical shoes
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #18
For the unsaturated air, the relationship of size among the dry bulb temperature, wet bulb temperature and dew point temperature is (_______________).
A. Dry bulb temperature> Dew point temperature> Wet bulb temperature
B. Dry bulb temperature> wet bulb temperature> dew point temperature
C. Wet bulb temperature> dew point temperature> dry bulb temperature
D. wet bulb temperature> dry bulb temperature> dew point temperature
عرض الإجابة
اجابة صحيحة: B
السؤال #19
When an air-cooled direct expansion air conditioner is performing normal cooling operation, the condenser inlet temperature is higher than the outdoor temperature.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #20
Data center room PUE The smaller the value, the greater the power consumed by the supporting infrastructure of the data center such as cooling and power supply.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #21
During the construction process, which should be used in corrosive operation? (Multiple choice)
A. Anti-corrosion liquid goggles
B. Acid-resistant gloves
C. Anti-acid (alkali) service
D. Anti-chemical shoes
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #22
The basic principle of the rotary dehumidifier is that the water vapor encounters the condensation water droplets of the cooling tube fins to dehumidify.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #23
According to the concentration degree of equipment, air conditioning system can be divided into (_______________). (Multiple choice)
A. Centralized
B. Semi-centralized
C. decentralized
D. Mixed
عرض الإجابة
اجابة صحيحة: ABC
السؤال #24
Which of the following is not the current harm to the human body?
A. Human ventricular fibrillation
B. suffocation
C. spasm
D. split
عرض الإجابة
اجابة صحيحة: D
السؤال #25
Huawei monitoring system ECC800 The collector can be inserted at most _________________A power supply module.
A. 2
B. 4
عرض الإجابة
اجابة صحيحة: A
السؤال #26
During the construction process, which should be used in corrosive operation? (Multiple choice)
A. Anti-corrosion liquid goggles
B. Acid-resistant gloves
C. Anti-acid (alkali) service
D. Anti-chemical shoes
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #27
During the construction process, which should be used in corrosive operation? (Multiple choice)
A. Anti-corrosion liquid goggles
B. Acid-resistant gloves
C. Anti-acid (alkali) service
D. Anti-chemical shoes
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #28
The basic principle of the rotary dehumidifier is that the water vapor encounters the condensation water droplets of the cooling tube fins to dehumidify.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #29
Data center room PUE The smaller the value, the greater the power consumed by the supporting infrastructure of the data center such as cooling and power supply.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #30
In the dynamic environment monitoring system, viewing the detailed alarm information can helplocate the source of the alarm.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #31
Data center room PUE The smaller the value, the greater the power consumed by the supporting infrastructure of the data center such as cooling and power supply.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #32
The basic principle of the rotary dehumidifier is that the water vapor encounters the condensation water droplets of the cooling tube fins to dehumidify.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #33
According to the principle of tripping, the MCB circuit breaker can be divided into (_______________) and (_______________). (Multiple Choice)
A. Thermal trip
B. Cold trip
C. Magnetic trip
D. Short circuit
عرض الإجابة
اجابة صحيحة: AC
السؤال #34
Compared with the comfort air conditioning, what are the advantages of the equipment room dedicated air conditioning?
A. big air volume, little enthalpy difference
B. high sensible heat ratio
C. more accurate temperature and humidity control
D. the year refrigeration
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #35
MCB circuit breaker can be divided into B, C, D, Z, K class according to different tripping characteristics. For IT loads, the () level tripping characteristics should be used.
A.
B.
C.
D.
عرض الإجابة
اجابة صحيحة: D
السؤال #36
The parameters that can reflect the energy efficiency state and power usage effectivenes of the data center are (_______________).
A. COP
B. PUE
C. IP
D. OPEX
عرض الإجابة
اجابة صحيحة: B
السؤال #37
Which of the following is not belongs to the monitoring function provided by Huawei NetEco.
A. oftware upgrade
B. urrent alarm
C. eal-time signal
D. ccess monitoring
عرض الإجابة
اجابة صحيحة: A
السؤال #38
Compared with the comfort air conditioning, what are the advantages of the equipment room dedicated air conditioning?
A. big air volume, little enthalpy difference
B. high sensible heat ratio
C. more accurate temperature and humidity control
D. the year refrigeration
عرض الإجابة
اجابة صحيحة: ABCD
السؤال #39
Cooling coil controls the indoor temperature and humidity via a heat exchange with refrigerant and indoor air.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #40
There are three different categories of earthing (TN, TT and IT) in low voltage distribution systems. What does the first letters represent?
A. Indicates the relationship of the power system to the exposed conductive parts of the power receiving system
B. Indicates the power system on the ground
C. Indicates the relationship between neutral N and protective earth PE
D. Indicates power receiving system exposed conductive parts and the relationship between the ground
عرض الإجابة
اجابة صحيحة: B
السؤال #41
Cooling coil controls the indoor temperature and humidity via a heat exchange with refrigerant and indoor air.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B

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