WIRING INSTALLATION AND EARTHING - Quiz

1) Why system earthing is different in utilization than equipment earthing?

It protects human only It protects from all circuit faults It is associated with current carrying It is connected to the non current carrying metal work

2) What is the effect if a person receives a shock current of 20 mA?

No sensation Painful shock Heart convulsions Become unconscious

3) Which electrical equipment L series type MCB's are used?

Geysers Locomotives Halogen lamps Air conditioners

4) What is the megger reading in a dead short wiring installation?

0 M Ohm 1 M Ohm 500 M Ohm Infinity

5) What is the advantage of crimping?

Gives neat apperance Reduce load current Avoid loose connections Easy to replace