Which amongst the following is not a Nominal size of conduit in mm
50
20
25
38
50
For surface wiring system however work should begin before final finishing work like …………….
after ignoration
after painting
after plating
White washing
White washing
PVC conduits are available on …………. m length
2
4
3
5
3
………….conduits are used for protecting cable ends connected to a vibrating machine inter connection between switch gear and distribution boards
Flexible conduits
TRS wiring
Rigid non-metallic conduits
Rigid steel conduits
Flexible conduits
………….conduit wiring system done on wall surfaces
Surface
Recessed
Concealed
All the above
Surface
………….conduit wiring system done inside the concrete plaster or wall
Both b & C
Surface
Concealed
Recessed
Surface
Selection of the type of conduit depends upon the………….
All the above
Type of location outdoor or indoor
Type of atmosphere and estimated cost
Expected working temperature & allowable weight of conduit runs
All the above
………….are used where the conduits shall be pushed right through to the interior of the fittings
Tees
Bends
Elbow
Couplers
Couplers
………….types couplers are used in straight conduit runs to assit in the inspection of the cables
Elbow
Bends
Couplers
Tees
Couplers
. …………. are used at sharp ends of nearby walls or roofs and wall
Elbow
Tees
Bends
Couplers
Elbow
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