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Electrician
Electrician Set-1
Wiring
26

Wiring MCQ - Electrician (Set-1) with Answers

26) The current capacities of the cables are specified for certain ambient temperature in BIS regulations. The specified ambient temperature is :

20 Degree Centigrade

30 Degree Centigrade

40 Degree Centigrade

50 Degree Centigrade

Answer is:

40 Degree Centigrade

Wiring MCQ - Electrician (Set-1) with Answers

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Related Wiring MCQ - Electrician (Set-1) with Answers

27) As compared to rewirable fuses, HRS fuses have :

high rupturing capacity

high speed of operation

no ageing effect

low rupturing effect

Answer is:

high rupturing capacity

28) The outer screwed contacts of Edison screw type lamp holder must always be connected to the :

neutral wire of the circuit

phase wire of the circuit

switch (half) wire of the circuit

earth wire of the circuit

Answer is:

neutral wire of the circuit

29) As per standard practice the circuit of different phases should be kept at :

3.5 metres

3.05 metres

2.55 metres

2.05 metres

Answer is:

3.05 metres

30) To reduce the length of cable in a wiring installation having same number of points and wired in loop in terminal system, one of the following wiring accessories is required. Identify the accessory

Two way switch

Intermediate switch

Two plate ceiling rose

Three plate ceiling rose

Answer is:

Three plate ceiling rose

Wiring MCQ - Electrician (Set-1) with Answers

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