Question 1

In a data center with an IT load level of Grade B, it is not necessary to configure dual power paths.

Options :

A : Yes

B : No

Answer: B

Question 2

If the moisture content in the air remains constant, the dew point temperature is fixed, but relative humidity changes with temperature variations.

Options :

A : Correct

B : Incorrect

Answer: A

Question 3

Regarding the use of circuit breakers, which of the following descriptions are correct?

Options :

A :

A frame circuit breaker can be used for low-voltage main distribution cabinets where the incoming current is very large

B :

A plastic shell circuit breaker should be used for a precision air conditioner with a cooling capacity of 42kW; a miniature circuit breaker cannot be used.

C :

A miniature circuit breaker can be used in precision distribution cabinets.

D :

A plastic shell circuit breaker can be used for a 200kVA UPS distribution cabinet.

Answer: A,C,D

Question 4

What are the primary components of a data center's typical energy consumption?

Options :

A : IT equipment energy consumption

B : Power supply energy consumption

C : Cooling energy consumption

D : Solar energy supply

Answer: A,B,C

Question 5

If a cooling system uses a DX scheme, it can plan the deployment sequence of the air handling units and outdoor units accordingly.

Options :

A : True

B : False

Answer: A

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