Quixiz

What is the final stage in the delivery of electric power?

• Transmission system

• Generation system

• Electric power distribution system

• Substation system

Which of the following is NOT a type of distribution line mentioned in the text?

• Primary distribution lines

• Secondary distribution lines

• Tertiary distribution lines

• Both A and B

What is the function of primary distribution lines?

• Carry step-down voltage to customers

• Carry high voltage power to substations

• Carry medium voltage power to distribution transformers

• Connect energy meters to distributors

What is the main characteristic of a feeder in a distribution system?

• Tapping is taken from the feeder

• Voltage drop is considered for design

• Carries the same current throughout

• Connects the distributor to the consumer's energy meter‎

What is the main consideration when designing a distributor?

• Current carrying capacity

• Voltage drop along its length

• Type of cable used

• Number of consumers connected

What is the purpose of service mains?

• To conduct electricity from the substation

• To provide multiple paths for power distribution

• To connect the distributor to the consumer’s energy meter

• To step down voltage levels

What is a major drawback of a radial electrical power distribution system?

• High initial cost

• Complex design

• Interruption of power supply in case of feeder failure

• High voltage drop

How does a ring main electrical power distribution system overcome the drawback of a radial system?

• By using thicker cables

• By introducing a grounding system

• By feeding the ring network from more than one feeder

• By reducing the number of consumers

In a ring main system, what factors influence the number of feeders connected to the ring?

• Maximum demand of the system

• Total length of the ring main distributors

• Required voltage regulation

• All of the above

What is the primary advantage of an interconnected system?

• Lower maintenance costs

• Ability to supply power from multiple sources during peak load

• Simpler design

• Reduced voltage drop