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AC GENERATOR
Set 3
Set 3
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Q13504
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Which type of alternator is used for high speed operation?
A
Salient pole alternator
B
Smooth cylindrical pure alternator
C
Projected pole alternator
D
Impulse turbo alternator
Q13505
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How the alternators are rated?
A
KVA
B
KW
C
KVAR
D
KWH
Q13506
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What is the condition for voltage in parallel operation of 3-phase alternator?
A
Must be same
B
Must be different
C
Must be low
D
Must be high
Q13507
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Which is the condition for parallel operation of 3-phase alternator?
A
Frequency must be same
B
Voltage must be different
C
Sequence must be different
D
Polarity must be different
Q13508
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Why parallel operation of alternators is necessary?
A
To get more voltage
B
To share more loads
C
To improve efficiency
D
To maintain constant frequency
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