Explore topic-wise MCQs in Electric Drives.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Electric Drives knowledge and support exam preparation. Choose a topic below to get started.

1.

Full form of PLC is ____________

A. Programmable Logic Controller
B. Programmable Language Controller
C. Peterson Language Counter
D. Programmable Logic Counter
Answer» B. Programmable Language Controller
2.

Oil circuit breaker is mainly used in _____________

A. Synchronous machine
B. Induction machine
C. DC machine
D. Transformer
Answer» E.
3.

Current Chopping is most severe in which one of the following?

A. Air Blast Circuit Breaker
B. Oil Circuit Breaker
C. Air Break Circuit Breaker
D. Vacuum Circuit Breaker
Answer» B. Oil Circuit Breaker
4.

Full form of PCC is ____________

A. Producer control center
B. Poor counter center
C. Power control center
D. Power coil counter
Answer» D. Power coil counter
5.

Full form of MCC is ____________

A. Motor control center
B. Motor counter center
C. Machine control center
D. Motor coil counter
Answer» B. Motor counter center
6.

Calculate the value measured by PMMC when a sinusoidal voltage signal V(t)=20sin( t) is applied to it.

A. 1 V
B. 2 V
C. 6 V
D. 0 V
Answer» E.
7.

Full form of LSS is ____________

A. Line Surge Suppressors
B. Local Surge System
C. Local Surge Suppressors
D. Line Surge System
Answer» B. Local Surge System
8.

The power conductor in electric trains is called a contact wire.

A. True
B. False
Answer» B. False
9.

Who invented the first circuit breaker?

A. Albert Einstein
B. Thomas Edison
C. Nicola Tesla
D. Trent Boult
Answer» C. Nicola Tesla
10.

When was the first train built?

A. 1804
B. 1810
C. 1814
D. 1820
Answer» B. 1810
11.

Calculate the coefficient of friction if the angle of inclination is 0 .

A. 2
B. 1
C. 4
D. 0
Answer» E.
12.

The frictional force always acts in the perpendicular direction of motion of the body.

A. True
B. False
Answer» C.
13.

Full form of TVS is __________

A. Transient voltage suppression
B. Transient voltage surge
C. Total voltage surge
D. True voltage surge
Answer» B. Transient voltage surge
14.

Calculate the value of the coefficient of static friction using the data: F=4 N, Normal force=16 N.

A. .24
B. .25
C. .15
D. .14
Answer» C. .15
15.

Calculate the minimum anode current required to turn off SCR if the latching current value is 2 A.

A. 2 A
B. 3 A
C. 4 A
D. 5 A
Answer» B. 3 A