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Which of the following belongs to the indirect-contact heat and humidity treatment equipment? (Multiple Choice)
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
How many power modules at most can be inserted in ECC800 collector of Huawei monitoring system?
How many power modules at most can be inserted in ECC800 collector of Huawei monitoring system?A . 1B . 2C . 3D . 4View AnswerAnswer: B
What types does Dual power switch ATS switch according to the different type of switches can be divided into? (Multiple choice)
What types does Dual power switch ATS switch according to the different type of switches can be divided into? (Multiple choice)A . Standard switchB . Delay switchC . Instantaneous switchD . Closed switchView AnswerAnswer: ABD
Which of the following is the correct indication of a fixed valve-regulated lead-acid batteries with 2V single cell, rated capacity of 800Ah?
Which of the following is the correct indication of a fixed valve-regulated lead-acid batteries with 2V single cell, rated capacity of 800Ah?A . 1-GFM-800B . 800-GFM-1C . 800-GMF-1D . GFM-800View AnswerAnswer: D
The end of lead-acid battery discharge, the voltage drop, positive and negative active materials transform into ().
The end of lead-acid battery discharge, the voltage drop, positive and negative active materials transform into ().A . PbOB . PbC . H2SO4D . PbSO4View AnswerAnswer: D
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 and so on.
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 and so on.A . High voltage power distribution systemB . Medium voltage power distribution systemC ....
Dynamic environment monitoring system only has secondary architecture.
Dynamic environment monitoring system only has secondary architecture.A . TrueB . FalseView AnswerAnswer: B
