Explore key concepts of electrical machines through this trivia quiz. Topics include inductive reactance, EMF induction, transformer core flux, and power transformation. Ideal for learners aiming to understand and assess their knowledge in electrical engineering fundamentals.
Number of primary turns
Number of secondary turns
Magnetic coupling between primary and secondary windings
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Secondary ampere turns
Primary flux
Increase in mutual flux
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2 or 4 poles
8 poles
12 poles
24 poles
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Reduces noise
Reduces the machine size
Reduces the amount of copper required
Improves the generated emf wave-form and adds rigidity and mechanical strength to wdg
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Poor voltage regulation and lower stability limit
Better voltage regulation and higher stability limit
Poor voltage regulation and higher stability limit
Better voltage regulation and low stability limit
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Copper and iron
Friction and winding
Iron,friction and windage losses
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Increases with load
Decerase with load
Remain constant irrespective of load
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Solenoids
Synchronous motors
Eletromagnetic relays
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One
Two
Three
None of these
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Pulsating and stationary
Pulsating and rotating
Constant in amplitude and roatating at synchronous speed
Constant in amplitude and sationary in space
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0
1
2
3 or 4
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Is in phase with the flux
Lags behind the flux by 90degrees
Leads the flux by 90degrees
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Two coil-sides
Two conductors
Two turns
One turn
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20 precentage
10 percentage
2 percentage
Zero
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Series resistance
Series inductance
Shunt resistance
Shunt inductance
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Magnetomotive force
Electromotive force
Magnetic flux
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Hydrogen
Air
Water
Mineral oil
Sulphur hexafluoride
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About 0.95(lead)
About 0.95(lag)
Zero
Unity
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180 degrees
120 degrees
60 degrees
240 degrees
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Quiz Review Timeline (Updated): Mar 18, 2023 +
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