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.
Which one of the following comes under switching devices ?
A. Commutators
B. Isolators
C. Current transformers
D. RegulatorsWhat are the essential features of switch gear ?
A. Provision for manual control
B. Complete reliability
C. Provision for instruments
D. All of the aboveWhat is the standard form of TVSS ?
A. Transient Voltage Simple Suppressor
B. Transformer Voltage Simple Suppressor
C. Transient Voltage Surge Suppressor
D. Transient Voltage Single SuppressorWhich one of the following arresters can be done outside of the panel board ?
A. Lightning arrester
B. Fuses
C. Surge arrester
D. RegulatorsWhat is the standard form of BOCB ?
A. Bulk Oil Common Breaker
B. Bulk Oil Controller Breaker
C. Bulk Oil Circuit Breaker
D. Beaker Oil Circuit Bulk______ are the applications of low voltage switch gear ?
A. Capacitors
B. Motor unit protection
C. Both a and b
D. None of the aboveWhich one of the following requires replacement after every operation ?
A. Oil switches
B. Lightning arresters
C. Fuse
D. Circuit breakerWhich one of the following performs both detection and interruption functions ?
A. Fuse
B. Oil switches
C. Circuit breaker
D. Air circuit breakerThe low voltage range of switch gear is up to _____.
A. 400 KV
B. 765 KV
C. 11 KV
D. 66 KVWhat are the advantages of oil circuit breaker ?
A. Easily available
B. Uses less quantity of oil
C. Slower operation
D. Highly inflammable