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Wireman
AC CIRCUITS
Set 4
Set 4
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Q13490
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What is the name of star point in star connection system?
A
Neutral point
B
Cross point
C
Tapping point
D
Phase tapping wire
Q13491
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What will be the neutral current in 3 phase-unbalanced circuits?
A
One
B
More than one
C
Zero
D
Not zero
Q13492
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In a 3 balanced star connected system having a phase voltage of 240V calculate the line voltage in the circuit?
A
400 V
B
415 V
C
430 V
D
450 V
Q13493
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Which type of the power measurement is used for balanced and unbalanced louds in 3 phase system?
A
Single wattmeter method
B
Two wattmeter method
C
Three wattmeter method
D
Voltmeter and ammeter method
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