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Wireman
Wireman Set-1
Estimation and costing of wiring
15

Estimation and costing of wiring MCQ with Answers

15) Which is the cross sectional area of neutral bus bar compared to phase busbar above 200 A capacity?

Half of phase busbar

2 times of phase busbar

1.5 times of phase busbar

Same as phase busbar

Answer is:

Half of phase busbar

Estimation and costing of wiring MCQ with Answers

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Related Estimation and costing of wiring MCQ with Answers

16) Which factor determines the size of wire used for industrial wiring?

Type of wiring distance

Distance from source

Line voltage

Load current

Answer is:

Load current

17) Which is the distance of saddles to be fixed from the centre of bends (or) couplings in metal circuit wiring?

60cm

50cm

30cm

15cm

Answer is:

30cm

18) Which is the alpha numberic rotation for apparatus AC 3 phase system?

A,B,C,N

X,Y,Z,N

U,V,W,N

A,B,C,N

Answer is:

U,V,W,N

19) Which is the minimum size of copper conductor used for power wiring in commercial wiring as per IE rule?

1 mm²

1.5 mm²

2.0 mm²

2.5 mm²

Answer is:

2.5 mm²

Estimation and costing of wiring MCQ with Answers

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