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Wireman
Wireman Set-1
Electrical Wiring System
10

Electrical Wiring System MCQ with Answers

10) Why the foot contacts of the fuse cartridges have different diameters for each rated current?

To increase the current rating

To increase the contact area

To reduce the rating effect

To prevent the insertion of wrong current rated cartridges

Answer is:

To prevent the insertion of wrong current rated cartridges

Electrical Wiring System MCQ with Answers

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Related Electrical Wiring System MCQ with Answers

11) Which is the minimum thickness of teak wood batten used for wiring?

Not less than 5 mm

Not less than 8 mm

Not less than 10 mm

Not less than 12 mm

Answer is:

Not less than 12 mm

12) How the size of teak wood battens are specified?

Width and length

Thickness and length

Width and thickness

Length only

Answer is:

Width and thickness

13) Which type of joint is used to run the wires from horizontal position to the vertical position either down wards (or) upwards in T.W batten wiring?

Half lap 'T' joint

Straight joint

Corner joint

L- joint

Answer is:

Half lap 'T' joint

14) What is the length of over lapping is to be provided for jointing 25 mm width batten in straight joint of T.W. batten?

19 mm

25 mm

30 mm

40 mm

Answer is:

40 mm

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