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Wiring Installation and Earthing MCQ Question and Answer | ITI ELECTRICIAN

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ITI ELECTRICIAN Trade Wiring Installation and Earthing MCQ Question and Answer for CBT Online exam for NCVT AITT (All India Trade Test).  Practice all ELECTRICIAN – Trade MCQ (Multiple choice Question). Also you can practice mock test exam online

ELECTRICIAN Trade MCQ also useful for competitive exam like PSU Job exam As well as Government Job Exam, Apprentice job.

ITI ELECTRICIAN | Wiring Installation and Earthing MCQ

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1.
What is the minimum size of Copper earth continuity conductor used in single phase domestic wiring as per BIS?

2.
Which method is used to reduce earth resistance value in a existing earth?

3.
Why A.C is required to measure the earth resistance by using earth resistance tester? A.C ?

4.
What is the formula to find voltage drop of a A.C single phase wiring circuit? A.C

5.
What is the maximum permissible load for a power sub circuit as per I.E rules? I.E

6.
Which location the service connection supply leads to be connected at consumer main board?

7.
What is the type of test in domestic wiring installation?

8.
What is the permissible leakage current in domestic wiring installation?

9.
Which formula is used to calculate the diversity factor?

10.
Which instrument is used to test new domestic wiring installation?

11.
What is the type of test in the wiring installation?

12.
Where system earthing is done?

13.
What is the test to be carried out by using megger?

14.
What is the reason of lamp glowing dim and motor running slow in a domestic wiring circuit?

15.
Which wiring installation the System earthing is to be done?

16.
Which method of earth resistance measurement is illustrated?

17.
How to control harmonic distortions in neutral connections as per IE rule? IE

18.
What is the function of current reverser in earth resistance tester?

19.
What is the advantage of stranded conductor over solid conductor?

20.
How the earth resistance can be reduced?

21.
What is the reason for supplying AC to the electrodes for measuring earth resistance?

22.
Why the pointer is not stable at zero on the scale as the megger is not in use?

23.
Which is proportional for the deflection of ohmmeter needle in earth resistance tester?

24.
Which principle the earth resistance tester works?

25.
Why system earthing is different in utilization than equipment earthing?

26.
What is the effect if a person receives a shock current of 20 mA?

27.
Which electrical equipment L series type MCB’s are used?

28.
What is the megger reading in a dead short wiring installation?

29.
What is the advantage of crimping?


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