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1) What is the name of star point in star connection system?
Neutral point
Cross point
Tapping point
Phase tapping wire
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Correct Answer: Neutral point
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1) What is the name of star point in star connection system?
Neutral point
Cross point
Tapping point
Phase tapping wire
2) What will be the neutral current in 3 phase-unbalanced circuits?
One
More than one
Zero
Not zero
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Correct Answer: Not zero
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2) What will be the neutral current in 3 phase-unbalanced circuits?
One
More than one
Zero
Not zero
3) In a 3 balanced star connected system having a phase voltage of 240V calculate the line voltage in the circuit?
400 V
415 V
430 V
450 V
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Correct Answer: 415 V
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3) In a 3 balanced star connected system having a phase voltage of 240V calculate the line voltage in the circuit?
400 V
415 V
430 V
450 V
4) Which type of the power measurement is used for balanced and unbalanced louds in 3 phase system?
Single wattmeter method
Two wattmeter method
Three wattmeter method
Voltmeter and ammeter method
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Correct Answer: Two wattmeter method
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4) Which type of the power measurement is used for balanced and unbalanced louds in 3 phase system?
Single wattmeter method
Two wattmeter method
Three wattmeter method
Voltmeter and ammeter method
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