DIPLOMA SEMESTER CLASSES

The primary and secondary of a transformer are:

(A) Conductively coupled

(B) Magnetically coupled

(C) Electrically connected

(D) Both A and B

3 months ago | [YT] | 2

DIPLOMA SEMESTER CLASSES

Which test is used to find equivalent resistance and reactance?

(A) Open circuit test

(B) Short circuit test

(C) Load test

(D) Regulation test

3 months ago | [YT] | 5

DIPLOMA SEMESTER CLASSES

The power factor of a transmission line is usually –
(a) Leading
(b) Lagging
(c) Unity
(d) Zero

4 months ago | [YT] | 11

DIPLOMA SEMESTER CLASSES

Which relay is commonly used for transmission line protection?
(a) Mho relay
(b) Thermal relay
(c) Overcurrent relay
(d) Differential relay

4 months ago | [YT] | 3

DIPLOMA SEMESTER CLASSES

In a three-phase balanced system, the sum of instantaneous currents is:

5 months ago | [YT] | 6

DIPLOMA SEMESTER CLASSES

Which instrument is used to measure very high resistance?

5 months ago | [YT] | 7

DIPLOMA SEMESTER CLASSES

The speed of a 4-pole, 50 Hz synchronous motor is:

5 months ago | [YT] | 8

DIPLOMA SEMESTER CLASSES

Comment answer

5 months ago | [YT] | 10

DIPLOMA SEMESTER CLASSES

Which law is used to determine the direction of an induced emf?

A) Ohm’s Law
B) Lenz’s Law
C) Faraday’s First Law
D) Ampere’s Law

5 months ago | [YT] | 10

DIPLOMA SEMESTER CLASSES

Which of these power plants has the highest efficiency?

6 months ago | [YT] | 7