ONLINE ELECTRICAL ENGINEERING TEST 1

    These questions were asked in the competitive exams.The test is for 10 minutes and you can submit the test if you have finished it early.Hope it would useful for all Electrical Engineers.More Tests would be conducted online related to the electrical subjects.Keep watching Online Electrical Engineering for more ....

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1. Advantage of transmitting power at high voltage is

   A) magnitude of current will be small

   B) power loss will be less

   C) it will reduce the voltage drop in the line impedance

   D) all the above

ANSWER :

D) all the above

2. An oscillator uses

   A) Positive feedback

   B) Negative feedback

   C) Both positive and negative feedback

   D) No feedback

ANSWER :

A) Positive feedback

3. The lightning arrestor is connected

   A) in series with the line

   B) between line and earth

   C) to a pole near the line

   D) to circuit breaker

ANSWER :

B) between line and earth

4. The earth's potential is taken as

   A) infinite

   B) supply voltage

   C) 1 volt

   D) zero

ANSWER :

D) zero

5. The value of diversity factor is

   A) less than one

   B) greater than one

   C) equal to one

   D) none of the above

ANSWER :

B) greater than one

6. Permeance is analogous to

   A) Conductance

   B) Reluctance

   C) Inductance

   D) Resistance

ANSWER :

A) Conductance

7. Electronic switching are becoming more and more popular because of

   A) noiseless operation

   B) long life

   C) smaller size and weight

   D) all the above

ANSWER :

D) all the above

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