A belt-driven cumulatively-compound dc generator is delivering power to the dc mains. If the Belt snaps then the machine will run as a

Electrical Machines
A belt-driven cumulatively-compound dc generator is delivering power to the dc mains. If the Belt snaps then the machine will run as a

cumulative compounded motor in opposite direction

differentially compounded motor in the same direction

differentially compounded motor in the opposite direction

cumulative compounded motor in the same direction

cumulative compounded motor in opposite direction

differentially compounded motor in the same direction

differentially compounded motor in the opposite direction

cumulative compounded motor in the same direction

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Electrical Machines
Belt conveyors offer _______________ starting torque.

high.

medium.

low.

zero.

high.

medium.

low.

zero.

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Electrical Machines
Which type of single phase induction motor is having the highest power factor at full load ?

Capacitor run type.

Capacitor start.

Split phase type.

Shaded pole type.

Capacitor run type.

Capacitor start.

Split phase type.

Shaded pole type.

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Electrical Machines
A small air gap in poly phase induction motor helps to

reduce chance of cogging.

reduce magnetizing current.

reduce chance of crawling.

increase starting torque.

reduce chance of cogging.

reduce magnetizing current.

reduce chance of crawling.

increase starting torque.

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Electrical Machines
In the 3-phase induction motor, the resultant flux is of a constant nature and is

3/2 times maximum value of flux due to any phase

3 times maximum value of flux due to any phase

equal to φm, where φm is the maximum flux due to any phase

1/2 times maximum value of flux due to any phase

3/2 times maximum value of flux due to any phase

3 times maximum value of flux due to any phase

equal to φm, where φm is the maximum flux due to any phase

1/2 times maximum value of flux due to any phase

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Electrical Machines
A transformer has hysteresis loss of 30 W, at 240 V, 60 Hz. The hysteresis loss at 200 V, 50 Hz will be

36 W.

25 W.

30 W.

28 W.

36 W.

25 W.

30 W.

28 W.

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Electrical Machines

Electrical Machines A belt-driven cumulatively-compound dc generator is delivering power to the dc mains. If the Belt snaps then the machine will run as a

Electrical Machines Belt conveyors offer _______________ starting torque.

Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ?

Electrical Machines A small air gap in poly phase induction motor helps to

Electrical Machines In the 3-phase induction motor, the resultant flux is of a constant nature and is

Electrical Machines A transformer has hysteresis loss of 30 W, at 240 V, 60 Hz. The hysteresis loss at 200 V, 50 Hz will be

Electrical Machines
A belt-driven cumulatively-compound dc generator is delivering power to the dc mains. If the Belt snaps then the machine will run as a

Electrical Machines
Belt conveyors offer _______________ starting torque.

Electrical Machines
Which type of single phase induction motor is having the highest power factor at full load ?

Electrical Machines
A small air gap in poly phase induction motor helps to

Electrical Machines
In the 3-phase induction motor, the resultant flux is of a constant nature and is

Electrical Machines
A transformer has hysteresis loss of 30 W, at 240 V, 60 Hz. The hysteresis loss at 200 V, 50 Hz will be