Question 1

When dealing with glass door racks, cool air is injected into the rack from:

Options :

A : The rear door in a downflow direction.

B : The front door in a downflow direction.

C : The top of the rack through the fans and vents mounted inside the rack.

D : The bottom of the rack.

Answer: A

Question 2

When designing a data centre with a raised-floor setup, where should the air conditioners be placed?

Options :

A : Perpendicular to the hot aisle

B : Perpendicular to the cold aisle

C : Close to the entrance door to create an air curtain to avoid hot comes into the computer room

D : Perpendicular to the side of the rack

Answer: A

Question 3

What is the most preferred unit of measure for cooling capacity?

Options :

A : Ton

B : Watt

C : BTU

D : Horsepower

Answer: B

Question 4

__________ is the arithmetic mean of time between the failing and the subsequent running of the system in a particular time period.

Options :

A : MTBF

B : MCBF

C : MLBF

D : MTTR

Answer: A

Question 5

Which Class of Fires involves cooking appliances?

Options :

A : Class A

B : Class B

C : Class C

D : Class K

Answer: D

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