Wireman – Semester 4, Module 8 - Estimation and costing of wiring

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Common for Wireman Trade 2nd Year Part-1

NAME *

NAME OF THE ITI *

MOBILE NUMBER *

1 : Which is the full form of NE code? *

2 points

A : National Energy Code

B : National Engineering Code

C : National Electricity Code

D : National employment Code

2: Which is the name for calculating the cost of material and labour of electrical installation? *

3 points

A : Estimation

B : Layout

C : Schedule

D : Specifications of materials

3 : How many power socket outlet are permitted in a power sub circuit as per IE rule? *

3 points

A : 1

B : 2

C : 3

D : 4

4 : Which term defines that the ratio between minimum actual load to Installed load? *

2 points

A : Depreciation Factor

B : Demand Factor

C : Diminishing Factor

D : Diversity Factor

5 : Which is the number of light and fan points recommended in a sub circuit as per IE rule in domestic wiring? *

3 points

A : 12

B : 10

C : 8

D : 6

6 : How much percentage of total cost is added to estimate as contingencies? *

2 points

A : 20%

B : 15%

C : 10%

D : 5%

7 : Which is the recommended power for alighting sub circuit as per IE rule in domestic wiring? *

3 points

A : 800W

B : 1200W

C : 2000W

D : 3000W

8 : What is the height of horizontal run of cables as per IE code recommendation? *

2 points

A : 2.5m

B : 3m

C : 2m

D : 1.5m

9 : Which is the location of distribution board in a domestic wiring installation? *

2 points

A : Near to main door

B : Under stair case

C : Near to load center

D : In Portico

10 : Which is the size of G.I earth conductor to be connected in third terminal of wall sockets as per IE rule? *

2 points

A : NO.16 SWG

B : NO.14 SWG

C : NO.10 SWG

D : NO.8 SWG

11 : Which connections the flexible cords is to be used? *

2 points

A : Recessed conduit wiring

B : Pendant lamp

C : Air conditioner

D : Electric Iron

12 : Which is the minimum clearance must be kept between ceiling and plane of blade of a ceiling fan? *

2 points

A : 150mm

B : 200mm

C : 275mm

D : 300mm

13 : Which type of light fitting should be used for outdoor lighting? *

2 points

A : Water proof lighting

B : Direct lighting

C : Spot light

D : Indirect lighting

14 : Which type of switch is used,if the appliance rating is higher than 16 A? *

2 points

A : 16A single pole switch

B : 16A Two way switch

C : 6A SP switch

D : 32A Double pole switch

15 : Which pump is used to lift water from a deep bore well? *

2 points

A : Reciprocating pump

B : Rotary pumps

C : Centrifugal pump

D : Submersible pump

16 : Which is the cross sectional area of neutral bus bar compared to phase bus bar above 200 A capacity? *

3 points

A : Half of phase busbar

B : 2 times of phase busbar

C : 1.5 times of phase busbar

D : Same as phase busbar

17 : Which factor determines the size of wire used for industrial wiring? *

2 points

A : Type of wiring distance

B : Distance from source

C : Line voltage

D : Load current

18 : Which type of the bus bar system is illustrated? *

2 points

A : Horizontal bus system

B : Vertical bus system

C : 8 bar system

D : Bus bar trunking system

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

3 points

A : 60cm

B : 50cm

C : 30cm

D : 15cm

20 : Which is the alpha numberic rotation for apparatus AC 3 phase system? *

2 points

A : A,B,C,N

B : X,Y,Z,N

C : U,V,W,N

D : A,B,C,N

21 : What is the name of distribution system used in industries? *

2 points

A : Bus bar suspended from roof

B : Bus bar supported from ground

C : Vertical mounted bus bar

D : Bus duct system

22 : Which is the minimum size of copper conductor used for power wiring in commercial wiring as per IE rule? *

2 points

A : 1 mm2

B : 1.5 mm2

C : 2.0 mm2

D : 2.5 mm2

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