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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
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Electrical Cables Class 7 MCQ Questions With Answers
1.
Which two of these generate electricity?
Photo-voltaic
hydro
Vehicles/p>
Both A & B
2.
The electricity supply industry comprises which three?
Generation
Transmission
Distribution
All of above
3.
Which two are a part of the electrical distribution network?
Power stations
Transformers
national grid
Both A & B
4.
Which two of these are space heating?
convection - Air movement
underfloor heating
boiler
Both A & B
5.
Which transmission voltage is incorrect?
224Kv
400Kv
275Kv
132Kv
6.
Is an intruder alarm open or closed?
closed
open
7.
Which three are biomass?
landfill gases
wood
crops
All of above
8.
Which distribution voltage is incorrect?
11Kv
33Kv
66Kv
400/230Kv
9.
Which two are an advantage of steel trunking?
it can accommodate many cables and sizes.
It affords conductors good mechanical protection
the cost
Both A & B
10.
Is a fire alarm a closed or open circuit?
closed
open
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