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Electrical Machines
A 10KVA auto transformer, turn ratio is 0.4. Find the power transferred inductively?
4 KVA
10 KVA
6 KVA
0 KVA
4 KVA
10 KVA
6 KVA
0 KVA
Answer
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Related Question
Electrical Machines
The current drawn by the a 230 V DC motor of armature resistance 0.5 Ω and back emf 200 V is
600
660
60
40
600
660
60
40
Answer
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Electrical Machines
Which of the following motor used in hair dryers?
Split phase IM.
Cage induction motor.
Shaded pole IM.
Synchronous motors.
Split phase IM.
Cage induction motor.
Shaded pole IM.
Synchronous motors.
Answer
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Electrical Machines
For satisfactory performance of 3-phase 480V, 60 Hz induction motor, the supply voltage at 50 Hz should be equal to
420 V.
400 V.
350 V.
480 V.
420 V.
400 V.
350 V.
480 V.
Answer
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Electrical Machines
The voltage regulation of a DC generator at full load being zero implies that the generator is
shunt connected.
deferentially compounded.
series connected.
cumulatively compounded.
shunt connected.
deferentially compounded.
series connected.
cumulatively compounded.
Answer
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Electrical Machines
With the increases in field excitation of a DC generator, its generated emf
decreases.
remains constant.
increases.
increases upto a limit and then remains almost constant.
decreases.
remains constant.
increases.
increases upto a limit and then remains almost constant.
Answer
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