Wireman – Semester 3, Module 9 - Power wiring of motors

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Common for Wireman Trade 2nd Year

NAME *

NAME OF THE ITI *

MOBILE NUMBER *

1: Which board can be accessed from rear as well as from front side? *

2 points

A : Switch board

B : Panel board

C : Danger board

D : Main switch board

2 : How the name identification boards are fixed on the panel? *

2 points

A : Welded

B : Riveted

C : Brazed

D : Soldered

3: What is the name of the accessory used to fix MCB and contactors in panel board? *

2 points

A : Thimbles

B : G clamp

C : Din rail

D : Grommets

4 : When the isolation switch of a panel board should be operated? *

2 points

A : In ON load condition

B : In normal load condition

C : In over load condition

D : In OFF load condition

5 : Which PVC material is used in panel board for providing pathway for wiring inside? *

2 points

A : Raceways

B : Grommets

C : Din rail

D : Wire ferrules

6 : What is the function of ferrules in panel boards? *

2 points

A : To identify the panel

B : To identify the switch

C : To identify the wire

D : To identify raceways

7 : What is the name of bushing used to prevent dirt,water and insects entering the panel board? *

2 points

A : Raceways

B : Thimbles

C : Sleeves

D : Grommets

8 : What is the minimum clearance distance required in front of a panel or switch board? *

2 points

A : 1 metre

B : 0.8 metre

C : 0.6 metre

D : 0.5 metre

9 : What is the name of part in a panel board where cables are completely enclosed? *

2 points

A : Meter cabinet

B : Cable alley

C : Bus chamber

D : Cubicle

10 : Which part of a panel board should be earthed as per IE rule? *

2 points

A : All live parts

B : All terminals

C : All metal parts

D : All bus bars

11: What should be prepared first to design and estimate a panel board? *

2 points

A : Schematic diagram

B : Panel board

C : Switchgears list

D : Accessories list

12 : What is the next step involved in panel design after preparing Schematic diagram? *

2 points

A : Preparation of wiring diagram

B : Panel board measurement

C : Preparation of accessories list

D : Preparation of Meter cabinet

13 : What is the cutting angle value of iron angle in panel boards? *

2 points

A : 90⁰

B : 75⁰

C : 60⁰

D : 45⁰

14 : Which is the name of preparation of control panel? *

3 points

A : Fixing of Raceways

B : Fixing of G channel

C : Fixing of Din rail

D : Fixing of PVC channel

15 : What is the minimum clear distance required between bare conductors in panel board? *

2 points

A : 2.5 cm

B : 10 cm

C : 3.8 cm

D : 1.2 cm

16 : What is the name of device used to fix and hold cables in a secure manner inside the panel board? *

2 points

A : Thimbles

B : Grommets

C : Wire ferrules

D : Wire clip

17: Which item is used to terminate the cable ends in a panel board? *

2 points

A : Grommets

B : Wire ferrules

C : Thimbles

D : Raceways

18 : What is the part marked as x in the panel board? *

2 points

A : Raceways

B : Bushing

C : Grommets

D : Thimbles

19 : What is the minimum number of earth terminals needed on a panel board *

2 points

A : 2

B : 4

C : 3

D : 1

20 : What is the name of item used to fix the cables rigidly to the body of panel board? *

2 points

A : Bushing

B : Grommets

C : Ferrules

D : Gland

21 : Which material is used to make earth bus bar in panel boards *

2 points

A : Copper

B : Silver

C : Iron

D : PVC

22 : Which step is involved in testing load performance in panel boards? *

2 points

A : Second step

B : First step

C : Last step

D : Third step

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