APC NCPI Design
Questions, Answers, Braindumps (PB0-200)
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What is TVSS?
A. Transient voltage Static Switch
B. Terminal Voltage Surge Suppression
C. Transient voltage surge suppression
D. Transient variable surge suppression
If a rack-mount PDU is accidentally overloaded, which
device activates and isolates the electric power to
C. Circuit breaker
D. Automatic Transfer Switch
What physical property of all electrical equipment
dictates the amount of cooling it will require?
A. size of printed circuits boards
B. weight of eletronic components
C. location of components inside equipment
D. inefficiency of power and digital components
What is current?
A. the flow of electrons through a conductor
B. the potential difference between two points
C. the capability of a conductor to store a charge
D. the amount of voltage flowing through a conductor
What distinguishes precision cooling from comfort
cooling with regard to airflow?
A. Precision cooling has approximately 160 fm/kw vs
90 cfm/kw for comfort cooling
B. Precision cooling has approximately 90 fm/kw vs
160 cfm/kw for comfort cooling
C. Precision cooling must use a ducted airflow supply
while comfort cooling must use a free airflow supply.
D. Precision cooling must use a free airflow supply
while comfort cooling must use a ducted airflow supply.
Which type air conditioning system generally has the
lowest initial cost for the entire system?
A. air cooled
B. chilled water
C. water cooled
D. glycol cooled
What is "voltage"? (choose two)
A. Electromotive Force (emf)
B. The flow of electrons through a conductor
C. The potential difference between two points
D. The ability of a component to store a charge
E. The energy given off as heat in an electric circuit
What are two advantages of ceiling-mounted air conditioners?
A. A raised floor is not necessary
B. It does not take up any floor space
C. It is easily maintained and serviced
D. Condensation is above the dropped ceiling
E. A contractor is not necessary for installation
What is a 2N UPS system design?
A. a dual-input single module UPS
B. a parallel redundant UPS system consisting of two
C. two independent UPS system feeding dual-corded
D. one single-module UPS feeding several dual-corded
Abc .com has a 10-year-old computer room with a 30
cm raised-floor plenum. They have just completed a
change out of some IT equipment and also re-cabled
much of the equipment with Cat5E and fiber. They are
now having cooling problems in a few areas of the
room. What are two likely cause?
A. The new IT equipment draws air bottom to top, creating
heat plumes around the racks
B. When the new cabling was added, the old cable was
not pulled from the raised-floor plenum, creating
C. Some of the new IT equipment is more dense and
is generating more heat than the previous equipment
at that location.
D. The new fiber cable emits more heat than the previous
copper network cabling, which causes an increase in
the temperature of the air leaving the perforated
Approximately how much cooling capacity does a 5-ton
air conditioner have?