ELECTRICAL WIRING SYSTEM - Quiz

1) 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

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

Width and length Thickness and length Width and thickness Length only

3) 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

4) 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

5) Which type of joint is used to extent the length of T.W batten?

Cross joint Corner joint Straight joint "L" Joint