SSC JE Electrical 2018 with solution SET-1
Which one of the material is used to fix the screw on concrete wall and ceiling?

Bushings
Saddles
Rawl Plug
Link clips

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SSC JE Electrical 2018 with solution SET-1
 A 40KVA transformer has a core loss of 450 W and total loss of 800 W. Find the copper loss for Maximum efficiency

800 W
450 W
350 W
300 W

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SSC JE Electrical 2018 with solution SET-1
The unit of luminous flux is

Lux
Steradian
Lumen
Candela

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