SSC JE Electrical 2019 with solution SET-1

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

LPG

Hydrogen

Kerosene oil

Wood

LPG

Hydrogen

Kerosene oil

Wood

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SSC JE Electrical 2019 with solution SET-1
Which of the following losses is together called iron losses?

Eddy current loss and frictional loss

Eddy current loss and hysteresis loss

Hysteresis loss and copper loss

Hysteresis loss and frictional loss

Eddy current loss and frictional loss

Eddy current loss and hysteresis loss

Hysteresis loss and copper loss

Hysteresis loss and frictional loss

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SSC JE Electrical 2019 with solution SET-1
If admittance Y= a + jb, then a =?

Reactance

Susceptance

Resistance

Conductance

Reactance

Susceptance

Resistance

Conductance

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SSC JE Electrical 2019 with solution SET-1
The function of condenser in a Thermal power plant is:

Purify steam

Condense water

Condense used steam into water

Purify water

Purify steam

Condense water

Condense used steam into water

Purify water

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SSC JE Electrical 2019 with solution SET-1
Which of the following is the correct relation regarding coupled coils?

M > (L1L2)0.5

M ≤ (L1L2)0.5

M = (L1 + L2)/2

M = (L1 − L2)/2

M > (L1L2)0.5

M ≤ (L1L2)0.5

M = (L1 + L2)/2

M = (L1 − L2)/2

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SSC JE Electrical 2019 with solution SET-1
An alternator has 9 slots/pole. What is the value of the pitch factor if each coil spans 8 slot pitches

Cos 60°

Cos 30°

Cos 10°

Cos 45°

Cos 60°

Cos 30°

Cos 10°

Cos 45°

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