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Wireman
THREE PHASE CIRCUIT
Set 1
Set 1
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Q14220
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What is the angular displacement of 3 phase voltages?
A
120 electrical degrees
B
90 electrical degrees
C
180 electrical degrees
D
360 electrical degrees
Q14221
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What is the line voltage if phase voltage is 415V in delta connection?
A
415V
B
400V
C
240V
D
138V
Q14222
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Which is the type of load when the phase currents of a 3 phase circuit are same?
A
Balanced load
B
Unbalanced load
C
No load
D
Full load
Q14223
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Which is the type of load if the phase currents of a 3 phase system are different?
A
Full load
B
No load
C
Balanced load
D
Unbalanced load
Q14224
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How many number of watt meter to be used for balanced 3 phase power measurement?
A
One
B
Two
C
Three
D
Four
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1
2
3
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