| 1. | The bedding of a cable consist of ? | |
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jute
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hessian cloth
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Both jute and hessian cloth
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None of these
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Report Question| 2. | Setting depth of poles is ? | |
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1/4 part of the length of pole
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1/5 part of the length of pole
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1/8 part of the length of pole
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1/2 part of the length of pole
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| 3. | The protective device which will not open the circuit even after 4 h when the current is 1.5 times the excess of the rated current will be ? | |
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HRC fuses HRC
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cartridge fuses
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circuit breakers
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rewirable fuses
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| 4. | Power factor of fluorescent lamp is about ? | |
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zero
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0.5 lead
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unity
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0.5 lag
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| 5. | Which type of fire extinguisher in not suitable for electric fire ? | |
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foam extinguisher
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carbon dioxide extinguisher
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Soda acid extinguisher
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dry powder extinguisher
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| 6. | Fuse is inserted series in the circuit and protect the equipment from ? | |
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High voltage
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High current
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High power
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High energy
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| 7. | In which portion of the transmission system faults occur most frequently ? | |
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under ground cables
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transformers
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over head lines
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alternators
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| 8. | Which connect the consumer's terminals to the distribution ? | |
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distributors
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service mains
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feeder
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substation
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| 9. | The earth pit should not be located near ? | |
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roads
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rail tracks
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pavements
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all option are correct
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| 10. | What will happen if field winding is disconnected accidentally from rotating dc shunt motor ? | |
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motor suddenly off
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motor will run normally
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motor will run dangerously
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any of the above
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