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SSC JE EE Quiz: Estimation & Costing Booster Quiz-9

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Question 1

By using spot welding process steel can be welded upto thickness of –

Question 2

Which of the following relation represents Faraday’s first law of Electrolysis process –

Question 3

What is the power factor of direct arc furnace –

Question 4

Calculate the total number of lamps (each of 500 lumen) required to get illuminance of 100 lux in a 5m× 4m room –

Question 5

What is the threshold value of the earth electrode resistance in plate earthing method ?

Question 6

Which of the following earthing system can carry larger leakage current –

Question 7

Which of the following element is used for mechanical coupling –

Question 8

Utilization factor of lightning scheme depends on –

Question 9

The value of the maintenance factor of a light fitting is –

Question 10

In Indian power supply system the EHV voltage range is –

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Jun 14AE & JE Exams