During the construction process, which should be used in corrosive operation? (Multiple choice)A . Anti-corrosion liquid gogglesB . Acid-resistant glovesC . Anti-acid (alkali) serviceD . Anti-chemical shoesView AnswerAnswer: ABCD
The main role of () is electricity distribution, in accordance with the requirements, standards and norms, assigns the forestage electric energy to various types of electrical equipments, such as UPS, air conditioners, lighting equipment...
Dynamic environment monitoring system can be deployed in medium and large modular data center, small modular data center, container data center.A . TrueB . FalseView AnswerAnswer: A
Which of the following belongs to the indirect-contact heat and humidity treatment equipment? (Multiple Choice)A . Cooling coilB . Coil air heaterC . Electrode humidifierD . EvaporatorView AnswerAnswer: ABD
R410a refrigerant can cause greenhouse effect and destroy ozone layer.A . TrueB . FalseView AnswerAnswer: B
The smaller the PUE value of a data center room, the greater the power consumed by the data center infrastructure such as cooling and power supply.A . TrueB . FalseView AnswerAnswer: B
Huawei NetEco supports the concept of user groups to implement role-based user group management. User group means a group of users with the same operating rights and different user groups have different permissions.A ....
Under the same load conditions, the backup time of the UPS is mainly determined by the battery capacity and the number of battery sections. The larger the battery capacity is, the longer the backup...
TN-S low-voltage distribution system in the three-phase unbalanced current, so that the protection line PE generate voltage to ground.A . TrueB . FalseView AnswerAnswer: B
The following statement which is correct? (Multiple choice)A . A NetEco network management system can only monitor and manage one micro module.B . A NetEco network management system can monitor and manage multiple micro...
