DWQA Questions

DWQA Questions › Category: Switchgear and Protection
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What is reverse power relay?
AnsweredHow Engineering Works asked 7 years ago • 
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What are HRC fuses and where it is used?
AnsweredHow Engineering Works asked 7 years ago • 
3997 views1 answers0 votes
What is vacuum circuit breaker and where it is used?
AnsweredHow Engineering Works asked 7 years ago • 
2962 views1 answers0 votes
What is Buchholz relay? Which equipment is protected by it?
AnsweredHow Engineering Works asked 7 years ago • 
3910 views1 answers0 votes
How does the resistance of a conductor change with a rise in temperature?
AnsweredRanjeet asked 7 years ago • 
1701 views1 answers0 votes
What is Buchholz relay? Which equipment is protected by it?
AnsweredHow Engineering Works asked 7 years ago • 
3617 views1 answers0 votes
What is meant by operating time of a protective relay?
AnsweredHow Engineering Works asked 7 years ago • 
4486 views1 answers0 votes
Define the term sensitivity and selectivity of a relay?
AnsweredHow Engineering Works asked 7 years ago • 
8586 views1 answers0 votes
What is Horn Gap Fuse? Where it is used?
Answereddrei asked 7 years ago • 
12619 views1 answers0 votes
What is an Earth Leakage Circuit Breaker (ELCB) ?
AnsweredVeenu asked 7 years ago • 
8651 views3 answers0 votes
What is difference between symmetrical and unsymmetrical faults?
AnsweredHow Engineering Works asked 7 years ago • 
15750 views1 answers0 votes
Why is the capacitance effect not present in short transmission lines?
AnsweredHow Engineering Works asked 7 years ago • 
6745 views3 answers0 votes
Why are overhead transmission lines not insulated?
AnsweredHow Engineering Works asked 7 years ago • 
11895 views3 answers0 votes
How does a capacitor correct a power factor?
AnsweredHow Engineering Works asked 7 years ago • 
3122 views2 answers0 votes
What happens when the capacitive reactance of a transmission line is very high?
ResolvedHow Engineering Works asked 7 years ago • 
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What is the importance of reactive power in transmission lines?
AnsweredHow Engineering Works asked 7 years ago • 
4477 views2 answers0 votes
What is difference between a feeder and transmission line?
AnsweredHow Engineering Works asked 7 years ago • 
13727 views3 answers0 votes
How does the capacitive nature of transmission lines affects its working?
AnsweredHow Engineering Works asked 7 years ago • 
2487 views3 answers0 votes
What is reactance In transmission lines?
AnsweredHow Engineering Works asked 7 years ago • 
2090 views2 answers0 votes
How is reactive power produced? What are the effects of reactive power in the grid?
AnsweredHow Engineering Works asked 7 years ago • 
3830 views2 answers0 votes
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