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SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2
Which of the following generators offers the poorest voltage regulation?

Shunt
Cumulative compounded
Series Motor
Differential compounded

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SSC JE Electrical 2019 with solution SET-2
______Earthing is the best form of earthing and is very cheap in cost?

Pipe
Plate
Rod
Strip

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SSC JE Electrical 2019 with solution SET-2
In an alternator, if α = 60°, then find the pitch factor?

0
√3/2
1/2
1

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The factor by which, the induced E.M.F gets reduced due to short pitching is called pitch factor or coil span factor denoted by Kc. It is given as
Kc = cosα/2
given
α = 60°
Kc = cos60/2
Kc = cos30°
Kc = √3/2

SSC JE Electrical 2019 with solution SET-2
Under no-load conditions in transmission lines, the receiving end voltage is greater than the sending end voltage. This effect is called

Skin effect
Corona effect
Ferranti effect
Proximity effect

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SSC JE Electrical 2019 with solution SET-2
A _______ works on the principle of dynamically induced EMF?

Motor
Transformer
Generator
Choke

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SSC JE Electrical 2019 with solution SET-2
The input for a condenser in a steam power plant comes from a/an

Super heater
Air preheater
Economizer
Turbine

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Condenser – Condenser is a heat exchanger in which cooling water is circulated through the tubes. The exhaust steam from the turbine enters the condenser where it is cooled and converted to condensate (water).
 


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