SSC JE Electrical Engineering 25th Jan 2018 Shift-2

Instructions

For the following questions answer them individually

Question 181

In an electric heater, the metal case is connected to .............

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Question 182

Which of the following is not an indoor lighting ?

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Question 183

Carbon arc lamps are commonly used in .......

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Question 184

Lumen/watt is the unit of ............

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Question 185

Arc can be produced by ?

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Question 186

A rectifier for welding has voltage/current characteristics as ...............

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Question 187

The insulating material suitable for low temperature applications is ..............

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Question 188

The method suitable for heating of conducting medium is .............

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Question 189

The numberof valence electron in boron is ...........

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Question 190

The potential barrier acts as a barrier against the flow of. ............

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