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The condensate of the air conditioner is formed by condensation after the air warning surface cooler cools down.
For only having Modbus The power supply and distribution equipment of the agreement can be passed ____________ Connected to the dynamic loop monitoring system.
R410A The moment the refrigerant is sprayed to the outside, it can freeze human skin and deep muscles in a very short time, and cause skin necrosis at the frostbite site.
When the battery electrolyte leaks, ____________ treatment is more appropriate.
Huawei Monitoring System NETECO Support hierarchical network management function.
In the dynamic environment monitoring system, ____________ is used to indicate the severity of the corresponding fault.
There are three different classifications of grounding forms in low-voltage power distribution systems ____________, where the first capital letter represents ____________ .
The dynamic environment monitoring system focuses on data center infrastructure management, and supports the monitoring of power supply equipment, cooling equipment, environmental equipment and security equipment in the data center.
During the implementation process, corrosive operations should be used ____________ .
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.
In the air conditioning system, the function of the oil and gas separator is to separate the lubricating oil from the compressor exhaust and return the separated lubricating oil to the compressor.
The following are indirect contact heat and moisture treatment equipment ____________ .
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.
ABC Circuit breakers are mainly used IT Load front end, such as ups Inside the output cabinet.
The data center computer room monitoring system mainly monitors power systems, environmental systems, and fire fighting systems.
In the data center power supply and distribution system, the low-voltage circuit breaker with three-stage protection feature is used for.
The basic principle of the rotary dehumidifier is that the water vapor encounters the condensation water droplets of the cooling tube fins to dehumidify.
The compressor is the core of the refrigeration cycle. It is the power device for the refrigerant to circulate in the system. It reduces the low temperature from the evaporator. The compressed steam is compressed into high temperature and high pressure steam.
The fire fighting system of the computer room is mainly composed of ____________ system.
Through the query ____________, the user can understand the operation of the device.
The surface cooler controls the indoor temperature and humidity through the heat exchange between the refrigerant and the indoor air.
High sensible heat ratio is the only difference between precision air conditioners and civil air conditioners.
The dynamic environment monitoring system supports the alarm management function.
In the air-conditioning system, the function of the ____________ is to use water cooling or air cooling to cool the high-temperature and high-pressure gas discharged from the compressor and release heat to the outside world.
The throttling devices used by Huawei's air-cooled precision air conditioners are ____________ .
____________ After starting, the alarm will send out a strong sound and light alarm signal, which has reached the purpose of reminding the on-site personnel to pay attention.
R410a Refrigerants can produce the greenhouse effect and destroy the ozone layer.
Use POE When interface, it has two functions of communication and power supply.
The principle of the evaporator is to convert the refrigerant from liquid to gas, take away the heat of the refrigerated object, and realize refrigeration.
Exist UPS in the system, the most comprehensive description of the role of the inverter circuit is ____________ .
The administrator cannot segment the login time and login of other users through the Huawei monitoring system IP Address restrictions.
The general method of connecting lead-acid batteries is to string first and then parallel.
Reflects the dryness of the air, the smaller the value, the drier the air.
The throttling devices used by Huawei's air-cooled precision air conditioners are ____________ .
The humidifier used in Huawei's row-level precision air conditioner is an infrared humidifier.
Huawei Monitoring System NetEco Must not support monitoring of third-party devices.
There are three different classifications of grounding forms in low-voltage power distribution systems, ____________ . The second capital letter represents ____________ .
Compared with comfort air conditioners, special air conditioners for computer rooms have the following advantages ____________ .
The ____________ function of the dynamic loop monitoring system can display the real-time status of the equipment.
The function of the following ____________ components is to help return oil.
During the battery installation process, the maintenance channel of the high-voltage battery pack used should be insulated.
In the dynamic ring monitoring system, it can be used to store high-definition images and provide large-scale storage media. The equipment used for long-term storage of video recording is ____________ .
At present, the communication methods used by the dynamic environment monitoring system are ____________ .
At a certain atmospheric pressure and water vapor content, the air is cooled down. When the air reaches saturation, it will continue to cool down. The temperature at the time of condensation is ____________ .
The possible functions of the dynamic loop monitoring system include ____________ .
TESTED 08 Oct 2024