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Question 1

Adjusting the high air temperature at the end of the cooling system can effectively reduce the energy consumption of the cooling system and lower the PUE (Power Usage Effectiveness) value.

Options :

A : True

B : False

Answer: A

Question 2

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 3

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

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

Options :

A : Yes

B : No

Answer: B