RECOMBINANT DNA QUIZ

As a rough guide, the most economical transmission voltage is _____of the length of the line.

3 kV/km

1.6 kV/km

2kV/km

3.2kV/km

TRUE ANSWER : ?
YOUR ANSWER : ?

High voltages for transmission power is economically available from

Ac currents

None of the listed here

Carrier currents

Dc currents

TRUE ANSWER : ?
YOUR ANSWER : ?

Most reliable distribution system is

Ring main system

Radial system

Interconnected system

None of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

With the increase in the values of voltage and power factor, the cost of transmission line conductor

Is unaffected

Decreases

Increases exponentals

Increases

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following faults is most likely to occur in cables?

Cross or short-circuit fault

All of these

Breakdown of cable insulation

Open circuit fault

TRUE ANSWER : ?
YOUR ANSWER : ?

Solid grounding is adopted for voltages below

200 V

100 V

660 V

400 V

TRUE ANSWER : ?
YOUR ANSWER : ?

In ac system, additions and subtractions of currents are done

Both vectorially & arithmetically

None of the listed here

Arithmetically

Vectorially

TRUE ANSWER : ?
YOUR ANSWER : ?

For transmission of power over a distance of 200 km, the transmission voltage should be

132 kV

66 kV

11 kV

33 kV

TRUE ANSWER : ?
YOUR ANSWER : ?

The power transmitted will be maximum when

Corona losses are minimum

Receiving end voltage is more

Reactance is high

Sending end voltage is more

TRUE ANSWER : ?
YOUR ANSWER : ?

For operating voltages beyond 66 kv, the cable used are

None of the listed here

Belted type

Oil filled

S. L. Type

TRUE ANSWER : ?
YOUR ANSWER : ?

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