By which of the following a bus-bar is rated?
Correct answer: D. Current, voltage, frequency and short time current
- A. Current only
- B. Current and voltage
- C. Current, voltage and frequency
- D. Current, voltage, frequency and short time current
Explanation
A bus-bar is specified by its continuous current, rated voltage and frequency, along with its short-time withstand current for fault conditions. Hence all four quantities are relevant.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Power Systems
334 free Power Systems MCQs from Electrical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Electrical Engineering questions like this
Electrical Engineering is on 2 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Power Systems questions
A circuit is disconnected by isolators when____________?
In a substation the following equipment is not installed?
jCorona usually occurs when the electrostatic stress in air around the conductor exceeds?
In aluminium conductors, steel core is provided to____________?
By which of the following methods string efficiency can be improved?
Owing to skin effect: