Basic Of Electical System
8 Questions
| Attempts: 275
Just it will test the basic of electrical.
Questions and Answers
- 1.
How many phases are used in India.at generation station.
- A.
3
- B.
4
- C.
2
- D.
1
- E.
Depend
Correct Answer
A. 3 -
- 2.
What is the relation between synchronous speed , frequency and no. of poles.
- A.
120*f*p
- B.
F*p/120
- C.
120*f/p
- D.
P/(120*f)
- E.
P*f
Correct Answer
C. 120*f/p -
- 3.
Induction motor works on which type of supply.
- A.
Alternating Current
- B.
Direct Current
- C.
Either
- D.
Both
- E.
Battery
Correct Answer
A. Alternating Current -
- 4.
Which one is not type of circuit breaker?
- A.
Air circuit breaker
- B.
Vacuum circuit breaker
- C.
Minimum oil circuit breaker
- D.
Maximum oil circuit breaker
Correct Answer
D. Maximum oil circuit breaker -
- 5.
Max. transmission voltage in India is?
- A.
22kv
- B.
440kv
- C.
765kv
- D.
500kv
- E.
11kv
Correct Answer
C. 765kv -
- 6.
What is rms?
- A.
Root Mean Square
- B.
Root mean system
- C.
Route mean square
- D.
Route mean square
Correct Answer
A. Root Mean Square -
- 7.
Fill up the formula for transformer: V1*N2=V2*?
Correct Answer
N1 - 8.
What are the color for three phase?
- A.
Red, yellow , blue
- B.
Red, yellow , black
- C.
Red , yellow , white
- D.
Red , yellow, orange
Correct Answer
A. Red, yellow , blue -
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Current Version
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Mar 21, 2022Quiz Edited by
ProProfs Editorial Team -
Feb 18, 2009Quiz Created by
Ashishraip
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