The ____________ function of the dynamic loop monitoring system can display the real-time status of the equipment.
The following ____________ Is the correct statement 6Two fixed valve-regulated sealed lead-acid battery cells are connected in series, and the rated capacity is 150AH.
Data centers usually use gas fire protection systems.
The device cannot be connected to the southbound interface of the dynamic environment monitoring system.
The fuse can protect personal safety when the equipment leaks.
The fastest transmission rate of the following communication interfaces is ____________ .
Which of the following statements about the battery is wrong:
____________ Not part of Huawei's monitoring system NETECO Provide monitoring functions.
Huawei Monitoring System NetEco Cannot provide to third-party network management system SNMP Formal interface.
PUE The closer the value ____________, indicating that the energy efficiency status of the data center is good.
PLE Defined as the power consumption of the data center power supply and distribution system and IT The ratio of the power consumption of the device.
Exist UPS in the system, the most comprehensive description of the role of the inverter circuit is ____________ .
The user can use the ____________ function to assign personnel to handle the fault.
The following ____________ are not harmful effects of electric current on the human body.
CLF Defined as the power consumption of data center cooling equipment and IT The ratio of equipment power consumption.
In Huawei's dynamic environment monitoring system, it is at the data collection layer and can integrate the underlying components ____________ . The equipment through which information is transmitted to the monitoring software is ____________ .
The following ____________ belong to the characteristics of water-cooled chilled water air conditioners.
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.
The role of the lead-acid battery battery is to contain electrolyte, plates, separators, etc.
Environmentally friendly refrigerant R410A Refrigeration performance is better than non-refrigerant R22 better.
The following ____________ is not the basic function of low-voltage circuit breakers.
Climbing personnel must be equipped with necessary safety belts that meet the safety requirements, and use them correctly and reasonably according to the use regulations, while being supervised.
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.
UPS Common system configurations are N system,N+X system,2N system.
RS485 The interface only supports two-wire system, not four-wire system.
When the mains input range is voltage:150-260VAC,frequency:45-60Hz,the following ups Working range ____________ It can work normally in the inverter state of the main circuit.
For unsaturated air, dry bulb temperature, wet bulb temperature, A The relationship between point temperature is ____________ .
Water cooling/The refrigerant of ethylene glycol air conditioner has been flushed before leaving the factory, so it is convenient and quick to install on site.
When the sunroof actuator senses a smoke alarm, it cannot control the turning sunroof to open automatically.
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