GETCO Exam Paper (11-06-2017)
The main function of economiser of a boiler plant is to

increase steam pressure
increase life of the boiler
reduce fuel consumption
increases steam production

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GETCO Exam Paper (11-06-2017)
In a 3-phase, 4-wire cable the cross sectional area of neutral conductor is

equal to the area of phase conductor
half of the area of phase conductor
1.5 times the area of phase conductor
double the area of phase conductor

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