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Electrical Machines
A compound dc generator is delivering full load current at a terminal voltage of 230 V. Its series-field winding gets short circuited. If its terminal voltage 1. becomes more than 230 V, it is overcompounded generator 2. becomes more than 230 V, it is differentially compounded generator 3. becomes less than 230 V, it is overcompounded generator 4. becomes less than 230 V, it is differentially compounded generator 5. becomes less than 230 V, it is level compounded generator From these, the correct answer is
2,3
2, 3, 5
1, 4
1, 4, 5
2,3
2, 3, 5
1, 4
1, 4, 5
Answer
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Related Question
Electrical Machines
Wave winding is employed in DC machine of
high current and low voltage rating.
low current and high voltage rating.
high current and low voltage rating.
low current and low voltage rating.
high current and low voltage rating.
low current and high voltage rating.
high current and low voltage rating.
low current and low voltage rating.
Answer
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Electrical Machines
A flat compound generator is obtained from compound generator by connecting a variable resistor
in series with the series field
in parallel with the series field
in series with the shunt field
in parallel with the shunt field
in series with the series field
in parallel with the series field
in series with the shunt field
in parallel with the shunt field
Answer
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Electrical Machines
If input of a transformer is square wave the output will be
triangular wave.
sine wave.
pulsed wave.
square wave.
triangular wave.
sine wave.
pulsed wave.
square wave.
Answer
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Electrical Machines
Shunt field of DC generators consists of--------number of turns and ---------- conductors respectively
large and thin
less and thin
less and thick
large and thick
large and thin
less and thin
less and thick
large and thick
Answer
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Electrical Machines
What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field?
None of these
Synchronous speed
Slip speed
Zero
None of these
Synchronous speed
Slip speed
Zero
Answer
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