Question 1

For a data center with a standard designation of GB50174-A, which of the following descriptions regarding the load classification is incorrect?

Options :

A : IT load is a crucial load in the first-level load category.

B : Chilled water units are classified as first-level loads.

C : Fire safety equipment in the machine room is classified as second-level load.

D : Cooling towers and chilled water pumps are classified as first-level loads.

Answer: C

Question 2

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 3

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 4

Which of the following statements regarding energy-saving strategies is correct?

Options :

A : Using only direct natural cooling is insufficient to meet Tier III standards

B :

Mechanical cooling combined with direct and mixed cooling, along with high building height and outdoor air quality requirements, is essential.

C : Natural water cooling has high water source requirements but poses no environmental risks.

D :

Utilizing an indirect evaporative cooling system can effectively lower indoor temperatures using low outdoor temperatures and extend the operational time of natural cooling.

Answer: A,B,D

Question 5

In a data center where precision cooling units are supplied by single-phase power, using dual power supplies and ATS for switching can meet Tier III requirements if both units share a single ATS.

Options :

A : True

B : False

Answer: B

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