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Free APC DU0-001 Practice Exam with Questions & Answers | Set: 2

Questions 11

What is the purpose of the governor as a primary component of a standby generator?

Options:
A.

Regulates output voltage and frequency

B.

Maintains constant RPM of the prime mover

C.

Converts mechanical energy from the prime mover into alternating current

D.

Receives a signal from the automatic transfer switch to initiate the start of the prime mover

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Questions 12

Which two practices help prevent data center fires? (Choose two.)

Options:
A.

Using an FM-200 clean agent

B.

Mandating a no-smoking policy

C.

Avoiding the use of acoustic foam

D.

Using trash receptacles without covers

Questions 13

Which UPS topology is most commonly used to protect small business and departmental servers where voltage regulation is required?

Options:
A.

Standby

B.

Line interactive

C.

High-speed relay

D.

Delta conversion online

Questions 14

What is the purpose of the alternator as a primary component of a standby generator?

Options:
A.

Starts the prime mover upon loss of utility power

B.

Controls output voltage reference produced by the prime mover

C.

Converts mechanical energy from the prime mover into electrical current

D.

Maintains constant RPM of the prime mover under a variety of conditions by adjusting the fuel that feeds the prime mover

Questions 15

Chilled water produced by a chiller is typically within which temperature range?

Options:
A.

34 - 38 F (1 - 3 C)

B.

44 - 48 F (6 - 9 C)

C.

56 - 60 F (13 - 16 C)

D.

70 - 74 F (21 - 23 C)

Questions 16

Which rack accessory prevents exhaust air from being recirculated and entering equipment intakes?

Options:
A.

Cage nuts

B.

Vented shelves

C.

Blanking panels

D.

Cable managers

Questions 17

Which two characteristics do all static UPS topologies share? (Choose two.)

Options:
A.

A battery

B.

An inverter

C.

A transfer switch

D.

A single-phase input

Questions 18

Which can cause a swell or surge to occur in the data center's electrical system?

Options:
A.

UPS failure

B.

CRAC unit startup

C.

Transformer failure

D.

Sudden load reduction

Questions 19

What is the greatest physical threat to a data center?

Options:
A.

Fire

B.

Dust

C.

Water

D.

People

Questions 20

What are three core components of a standby generator? (Choose three.)

Options:
A.

Inverter

B.

Rectifier

C.

Governor

D.

Alternator

E.

Prime mover

Exam Code: DU0-001
Certification Provider: APC
Exam Name: Data Center University Associate Certification
Last Update: Jun 19, 2025
Questions: 324

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