Power Quality and Management (2180911) MCQs

MCQs of Electromagnetic Interference

Showing 11 to 20 out of 21 Questions
1 2 3
11.
Which of the following is no the way by which the propagated EMI is conductive?
(a) air
(b) power cable
(c) signal wire
(d) ground cable
Answer:

Option (a)

12.
Attenuation is measured in _____________
(a) amplitude
(b) dB
(c) watts
(d) mV
Answer:

Option (b)

13.
_______________ can also couple from one circuit to another by inductive or capacitive means
(a) Transverse mode noise
(b) Common mode noise
(c) Differential mode noise
(d) Integral mode noise
Answer:

Option (b)

14.
Can we use filter made up of R-L-C combination for eliminating EMI?
(a) Yes
(b) No
Answer:

Option (a)

15.
Power frequency fields fall in the category of
(a) extra low frequency
(b) super low frequency
(c) very low frequency
(d) low frequency
Answer:

Option (b)

16.
________________ high-frequency EMI source.
(a) radio
(b) television
(c) marine communication
(d) all of these
Answer:

Option (d)

17.
Possible ways to minimize the EMI
(a) filter
(b) shielding
(c) twisting the cables
(d) all of these
Answer:

Option (d)

18.
Attenuation measured in ______
(a) sec
(b) decibels
(c) mole
(d) candela
Answer:

Option (b)

19.
Shielding is _______ to avoid unwanted noise from relating with a susceptible piece of equipment
(a) Wire Shield
(b) None of these
(c) Magnetic enclosure
(d) Metal enclosure
Answer:

Option (d)

20.
________ is the ration by which common mode signal is rejected
(a) Common Mode Rejection Ratio
(b) rectification
(c) decibel
(d) attenuation
Answer:

Option (a)

Showing 11 to 20 out of 21 Questions
1 2 3