Power Quality and Management (2180911) MCQs

MCQs of Electrical Transients

Showing 1 to 10 out of 33 Questions
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1.
A transient is defined as a ______________ disturbance in the AC waveform that is discernible as a sharp discontinuity of the waveform
(a) One cycle
(b) Half cycle
(c) Sub cycle
(d) Super cycle
Answer:

Option (c)

2.
The transient occurring in the next cycle is not considered an extension of the transient in the previous cycle.
(a) True
(b) False
Answer:

Option (a)

3.
Subcycle transients are ______ to detect ________ to treat
(a) easy, difficult
(b) difficult, difficult
(c) easy, easy
(d) difficult, easy
Answer:

Option (b)

4.
The occurrence of subcycle transients are _______
(a) in particular fashion
(b) random
(c) vary repeatedly
(d) constant
Answer:

Option (b)

5.
Transients are difficult to detect because of their
(a) amplitude variations
(b) frequency variation
(c) short duration
(d) long duration
Answer:

Option (c)

6.
To detect the transients by the meter, it should have proper _______________
(a) amplitude range
(b) sampling rate
(c) time rate
(d) frequency range
Answer:

Option (b)

7.
Which of the following can not be considered as transient?
(a) spikes
(b) power pulses
(c) surges
(d) interruption
Answer:

Option (d)

8.
The events like spikes, bumps, power pulses, impulses, and surges are referred as
(a) transients
(b) power frequency disturbances
(c) harmonics
(d) electromagnetic interference
Answer:

Option (a)

9.
___________ determine how the steady-state system will respond when under the influence of an applied voltage.
(a) R
(b) L
(c) C
(d) All of these
Answer:

Option (d)

10.
Which of this is an active element?
(a) R
(b) L
(c) C
(d) BJT
Answer:

Option (d)

Showing 1 to 10 out of 33 Questions
1 2 3 4