Switchgear and Protection MCQs with Answers PDF for Electrical Engineering students. Includes a comprehensive set of MCQs on switchgear and protection systems. Available for download in PDF format.
What are the effects of electrical faults ?
A. Electrical fires
B. Over current flow
C. Loss of equipment
D. All of the aboveWhich one of the following comes under symmetric fault ?
A. L-L
B. L-H
C. L-L-L-G
D. L-GWhat is the standard form of MDB ?
A. Main Distribution Board
B. Main Displacement Board
C. Main Distance Board
D. Main Difference BoardWhich one of the following is an example of principal switchgear ?
A. Circuit breakers
B. Regulators
C. Fuses
D. Protection relaysWhat is the standard form of MOCB ?
A. Multi Oil Circuit Breaker
B. Multi Oil Circuit Breaker
C. Minimum Oil Circuit Breaker
D. Main Oil Circuit BeakerThe high voltage range of switch gear is up to _______.
A. 66 KV
B. 765 KV
C. 11 KV
D. 400 KVWhat is the standard form of IDMT ?
A. Infinite Definite Minimum Time
B. Identical Definite Minimum Time
C. Internal Definite Minimum Time
D. Inverse Definite Minimum TimeWhich one of the following used as an ON/OFF switch ?
A. Circuit breaker
B. Oil switches
C. Fuse
D. Lightning arrestersWhat is the standard form of MCCB ?
A. Moulded Case Common Breaker
B. Moulded Case Controller Breaker
C. Moulded Case Control Breaker
D. Moulded Case Circuit BreakerWhat are the disadvantages of oil circuit breaker ?
A. Low cost
B. Easily available
C. High maintenance cost
D. All of the above