Wireman – Semester 2, Module 2 - Electrical Wiring System

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Common for Wireman Trade 1st Year

NAME *

NAME OF THE ITI *

MOBILE NUMBER *

1 : What is the name of wiring? *

2 points

A : CTS/TRS wiring

B : Cleat wiring

C : PVC casing & Capping wiring

D : PVC conducit wiring

2 : Which diagram represents the physical position of accessories in the wiring installation? *

2 points

A : Wiring diagram

B : Schematic diagram

C : Installation plan

D : Layout diagram

3 : Which wiring can be done either on surface(or) on concealed in the wall? *

2 points

A : Cleat wiring

B : Batten wiring

C : Pvc conduit wiring

D : Pvc casing & Capping wiring

4 : What is the expansion of abbreviation TRS? *

2 points

A : Total Rubber Sheathed

B : Tough Rubber Sheathed

C : Tyre Round Sheathed

D : Total rough sheathed

5: What is the name of illustration? *

2 points

A : Layout diagram

B : Circuit diagram

C : Installation plan

D : Wiring diagram

6: How many outlet points are recommended in power sub-circuit as per BIS? *

2 points

A : 1 point

B : 2 points

C : 3 points

D : 4 points

7: What is maximum power recommended to the light and fan sub circuit as per IE rules? *

2 points

A : 3000 watts

B : 1500 watts

C : 800 watts

D : 750 watts

8: What is the recommended minimum height of socket outlet shall be provided in the bathroom? *

2 points

A : 130 cm

B : 140cm

C : 150cm

D : 200cm

9 : Which is represented by the BIS symbol? *

2 points

A : Fuse

B : Link

C : Resistor

D : Plug and jocket

10 : What is the name of the fuse? *

2 points

A : Ferrule contact cartridge fuses

B : High rupturing capacity fuses

C : Diazed screw type cartridge fuses

D : Rewirable fuses

12: What is the name of term that the time taken by a fuse to interrupt the circuit in the event of fault? *

2 points

A : Fusing current

B : Fusing factor

C : Cut off factor

D : Current rating

13: Which is used to quench the arc quickly without any fire hazard? *

2 points

A : Dry sand

B : Lime powder

C : Graphite

D : Silica

14 : Which type of fuse is used for electronic circuits? *

2 points

A : Ferrule contact cartridge fuses

B : Re wireable type fuse

C : HRC fuses

D : Diazed screw type cartridge fuses

15: Why the foot contacts of the fuse cartridge shave different diameters for each rated current? *

2 points

A : To increase the current rating

B : To increase the contact area

C : To reduce the rating effect

D : To prevent the insertion of wrong current rated cartridges

16: Which is the minimum thickness of teak wood batten used for wiring *

2 points

A : Not less than 5 mm

B : Not less than 8 mm

C : Not less than 10 mm

D : Not less than 12 mm

17 : What is the name of teak wood joint? *

2 points

A : Cross joint

B : Corner joint

C : Cross bridge joint

D : L Joint

18: How the size of teak wood battens are specified? *

2 points

A : Width and length

B : Thickness and length

C : Width and thickness

D : Length only

19: Which type of joint is used to run the wiresfrom horizontal position to the vertical positioneither down wards (or) upwards in T.W battenwiring? *

2 points

A : Half lap ʺTʺ joint

B : Straight joint

C : Corner joint

D : L joint

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

3 points

A : 19 mm

B : 25 mm

C : 30 mm

D : 40 mm

21 : Which type of joint is used to extent the length of T.W batten? *

2 points

A : Cross joint

B : Corner joint

C : Straight joint

D : ʺLʺ Joint

22 : What is the name of pvc conduit accessor *

2 points

A : Solid elbow

B : Solid TEE

C : Solid bend

D : Coupler

23 : Which conduit fitting is used to join additional conduit pipe in long run of conduit wiring? *

2 points

A : Bend

B : Elbow

C : Tee

D : Coupler

24: What is the name of coupler? *

2 points

A : Screwed coupler

B : Check nut running coupler

C : Coupling for flexible conduit

D : PVC conduit coupler

25 : Which type of wiring require less number of bends can be taken through shortcut route in the roof? *

2 points

A : Battern wiring

B : Casing capping wiring

C : Surface conduit wiring

D : Concealed conduit wiring

26 : What is the advantage of concealed wiring? *

2 points

A : The cost of installation is low

B : Easy to trace the fault

C : Semi skilled technician can carryout the wiring

D : Wiring can be done through the shortest route

27 : Which wiring has to be planned and executed only during the construction of building? *

2 points

A : CTS wiring

B : Casing and capping wiring

C : Surface conduit wiring

D : Concealed wiring

28: Which wiring is named as Wire ways? *

2 points

A : PVC conduct wiring

B : CTS Wiring

C : PVC casing and capping wiring

D : Metal conduct wiring

29 : How to attach the capping cover with casing (channel) after completion of wiring in PVC casing and capping system? *

2 points

A : By wood screws

B : By wire nails

C : By fixing clamp

D : By sliding the capping through the grooves

30 : Which is the disadvantage of PVC casing and capping wiring? *

2 points

A : Cost is more

B : Inflammable and risk of fire

C : Requires skilled man power

D : Extension not possible

31: Which is the distance that the clips to be fixed on TW batten on horizontals run in the battern wiring? *

2 points

A : 8 cm

B : 10 cm

C : 12 cm

D : 15 cm

32 : Which is the correct size of drill for making pilot holes for 6 mm diameter screw shank? *

2 points

A : 2 mm

B : 4 mm

C : 6 mm

D : 8 mm

33: What is the depth of pilot hole for fixing wood screw in soft wood? *

2 points

A : Equal to ¼ screw length

B : Equal to ½ screw length

C : Equal to ¾ screw length

D : Equal to screw length

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