Deck 6: Electrical Systems

Question 1

Because electric utilities have been deregulated in the United States:

A)hotels must generate their own electricity.
B)each geographic region has been assigned a single electric utility company.
C)hotel managers must choose a utility company to supply their hotel's electricity.
D)power outages and power-reliability problems have become much less frequent.

Answer 1

C

Question 2

A property's distribution and control system splits the electrical supply into:

A)channels.
B)transformers.
C)feeders.
D)frequencies.

Answer 2

C

Question 3

When electrical maintenance is performed, lockout/tagout procedures:

A)lock out of service those circuits to be worked on so that no one can accidentally energize the circuits.
B)need not be followed in the United States.
C)ensure that no unauthorized persons enter the room where the maintenance work is being done.
D)are used to block access to electrical panels in transformer rooms.

Answer 3

A

Question 4

Which of the following is a source of electrical power supply problems for hotels?

A)natural phenomena, such as lightning
B)normal utility maintenance operations
C)faulty electrical systems in neighboring businesses
D)all of the above

Question 5

Which of the following statements is a good rule for taking care of equipment that uses electricity?

A)You should store electrical equipment in damp or wet locations.
B)Overloading electrical equipment at least once during its use cycle helps the equipment operate at peak performance.
C)You should unplug electrical equipment by gripping the cord, not the plug.
D)Electrical equipment should be kept clean.

Question 6

In an electrical system, "phases" refers to:

A)the rate at which an alternating-current power supply alternates the direction of the current flow.
B)the number of energized or "hot" wires in the electrical supply.
C)how often the system experiences momentary voltage sags and surges.
D)how electricity is metered.

Question 7

A measure of the electrical potential provided by an electric utility (often compared with water pressure in a water system) is termed:

A)voltage.
B)frequency.
C)amperes.
D)none of the above.

Question 8

Which of the following provides a much higher level of protection than a standard circuit breaker?

A)fuse
B)line interrupter
C)ground fault circuit interrupter
D)time-delay relay

Question 9

The charge based on a business's highest rate of energy usage during a billing period is called the __________ charge.

A)energy
B)demand
C)spike
D)voltage

Question 10

Items that are usually required by law or code to be connected to a hospitality business's emergency power system are:

A)computer systems.
B)fire pumps.
C)public safety communications systems.
D)b and c