This quiz tests knowledge on circuit breakers, focusing on types, arc extinction mediums, and specific applications in electrical engineering.
(A) sulphur fluoride
(B) sulphur difluoride
(C) sulphur hexafluorine
(D) sulphur hexafluoride.
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(A) high dielectric strength
(B) non-inflammability
(C) non-toxicity
(D) all of the above.
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True
False
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(A) Air blast circuit breakers
(B) Minimum oil circuit breakers
(C) Bulk oil circuit breakers
(D) SF6 oil circuit breakers.
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(A) air
(B) oil
(C) SF6 gas
(D) any of the above.
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(A) SF6
(B) Oil
(C) Air
(D) Water.
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(A) 100 mm Hg
(B) 1 kg/cm2
(C) 20 to 30 kg/cm2
(D) 200 to 300 kg/cm2
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(A) is lighter than hydrogen
(B) is lighter than air
(C) has density 2-times as compared to that of air
(D) has density 5 limes as compared to that of air.
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True
False
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(A) 100 mm Hg
(B) 1 kg/cm2
(C) 3 to 5 kg/cm2
(D) 30 to 50 kg/cm2.
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(A) 0.01 sec
(B) 0.1 sec
(C) 3 seconds
(D) 30 seconds.
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