SSC JE Electrical 2019 with solution SET-1
 Which of the following fuel has the least calorific value?

Wood
Hydrogen
Kerosene oil
LPG

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SSC JE Electrical 2019 with solution SET-1
 Which of the following lamps has the shortest/less life span in working hours?

Fluorescent lamp
Sodium vapor lamp
Mercury vapor lamp
Incandescent lamp

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SSC JE Electrical 2019 with solution SET-1
_______is a tube that brings water to turbines

Trash rack
Penstock
Spillway
Forebay

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