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Questions # 41:

Which solution would remedy a power interruption?

Options:
A.

UPS

B.

Power line conditioner

C.

Power factor corrected power supply

D.

Transient voltage surge suppressor (TVSS)

Questions # 42:

Click the Exhibit button.

Question # 42

What does the shaded area in the exhibit represent?

Options:
A.

Deferred investment

B.

Waste due to oversizing

C.

Total redundant capacity

D.

Additional power needed

Questions # 43:

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

Questions # 44:

Which statement describes a key characteristic of humidity?

Options:
A.

Air temperature does not affect air water vapor content.

B.

As temperature increases, the air can hold more water vapor.

C.

As the temperature increases, the air can hold less water vapor.

D.

As the temperature decreases, the air can hold more water vapor.

Questions # 45:

Question # 45

Which air distribution method is displayed in this picture?

Options:
A.

Fully ducted supply, flooded return

B.

Flooded supply, fully ducted return

C.

Flooded supply, locally ducted return

D.

Locally ducted supply, flooded return

Questions # 46:

Which relative humidity range is considered optimal in data centers?

Options:
A.

25-40%

B.

40-55%

C.

55-70%

D.

70-85%

Questions # 47:

Which method transfers heat by electromagnetic waves?

Options:
A.

Radiation

B.

Convection

C.

Conduction

D.

Evaporation

Questions # 48:

Which cooling architecture attempts to eliminate hot spots within the data center by utilizing large volumes of air mixing throughout the space?

Options:
A.

Row

B.

Rack

C.

Room

D.

Ceiling

Questions # 49:

What is a function of a transformer in a line interactive UPS?

Options:
A.

To increase the power factor as the load increases

B.

To increase harmonics by stepping down the output

C.

To regulate output voltage as the input voltage varies

D.

To provide low impedance for switched mode power supplies

Questions # 50:

How is the problem of Electro-Static Discharge(ESD) in the data center solved?

Options:
A.

By installing TVSS devices

B.

By installing RCD breakers in the PDU

C.

By connecting bimetallic strips to all racks

D.

By insulating IT equipment with rubber bushings

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