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Electrical Machines
What is the full form of MNP?
Magnetic field neutral pole.
Magnetic field neutral plane.
Magnetic neutral plane.
Magnetic neutral pole.
Magnetic field neutral pole.
Magnetic field neutral plane.
Magnetic neutral plane.
Magnetic neutral pole.
Answer
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Related Question
Electrical Machines
If the frequency of input voltage of a transformer is increased keeping the magnitude of voltage unchanged, then
Ph will increase but Pe will decrease
both hysteresis loss(Ph) and eddy current loss(Pe) will increase
Pe will increase but Ph will decrease
Ph will decrease but Pe will remain same
Ph will increase but Pe will decrease
both hysteresis loss(Ph) and eddy current loss(Pe) will increase
Pe will increase but Ph will decrease
Ph will decrease but Pe will remain same
Answer
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Electrical Machines
In speed control of DC Series motor, speed lower than the rated speed can be obtained by
Any of the above.
Connecting an additional resistance in the armature circuit.
Connecting an additional resistance in the field circuit.
Connecting an additional resistance in stator circuit.
Any of the above.
Connecting an additional resistance in the armature circuit.
Connecting an additional resistance in the field circuit.
Connecting an additional resistance in stator circuit.
Answer
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Electrical Machines
It is an advisable to use auto transformer if the transformation ratio is
near to 1.
0.25.
0.5.
Greater than 1.
near to 1.
0.25.
0.5.
Greater than 1.
Answer
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Electrical Machines
Inter pole winding is connected in-------------------------- ?
parallel with main poles
series with armature
parallel with armature
series with main poles
parallel with main poles
series with armature
parallel with armature
series with main poles
Answer
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Electrical Machines
Which of the following methods of speed control is not affected through stator side?
Change of supply voltage.
Change of rotor resistance.
Change of number of pole.
Change of supply frequency.
Change of supply voltage.
Change of rotor resistance.
Change of number of pole.
Change of supply frequency.
Answer
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