Practice Free H12-411_V2.0-ENU Exam Online Questions
The surface cooler controls the indoor temperature by exchanging heat between the refrigerant and the indoor air.
- A . True
- B . False
B
The 331.12V lead-acid battery is composed of 6 2V battery cells.
The low temperature component can improve the continuous low pressure caused by low temperature startup, so that the air conditioner can start normally.
- A . True
- B . False
() is used in Huawei’s line-level precision air conditioners.
The domestic power supply standard is 380v/50Hz
- A . True
- B . False
Based on the type of electrolyte, what types of lead-acid batteries can be divided into? (Multiple choice)
- A . Acid batteries
- B . Alkaline batteries
- C . Starved battery
- D . Flooded battery
() does not belong to the characteristics of direct – expansion air-cooled air conditioners.
Which of the following components is used to assist in oil return?
- A . Sight glass
- B . Oil collecting bend
- C . Reverse bend
- D . Oil sight glass
Compared with lithium-ion batteries, lead-acid batteries have lower energy density, short cycle life and poorer safety, but the initial investment in lead-acid battery projects is lower, so they are still the main product for data center energy storage.
- A . True
- B . False
When guiding the NetCol8000-C room-level chilled water intelligent temperature control product, give priority to guiding the use of our () model. (Multiple choice)
- A . 150D
- B . 130D
- C . 160D
- D . 190D
In the dynamic environment monitoring system, which of the following functions can the user use to query the alarm information of the refrigeration equipment?
- A . Asset Management
- B . Access Control Management
- C . Alarm Management
- D . Software Management