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 the same direction

differentially compounded motor in the opposite direction

differentially compounded motor in the same direction

cumulative compounded motor in opposite direction

cumulative compounded motor in the same direction

differentially compounded motor in the opposite direction

differentially compounded motor in the same direction

cumulative compounded motor in opposite direction

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Electrical Machines
Which of the following alternators contain large number of poles?

None of these

Turbo alternators.

Aame in both alternators.

Hydro alternators.

None of these

Turbo alternators.

Aame in both alternators.

Hydro alternators.

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Electrical Machines
A 240 V DC series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3 ohms. The value of resistance which must be added to obtain rated torque at 1000 rpm is

1.9 ohms.

2.2 ohms.

5.7 ohms.

6 ohms.

1.9 ohms.

2.2 ohms.

5.7 ohms.

6 ohms.

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Electrical Machines
A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power?

1920W

2000W

1450W

1820W

1920W

2000W

1450W

1820W

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Electrical Machines
Breather is provided in a transformer to

absorb moisture from air entering in transformer.

absorb moisture of air during breathing.

provide cold air in transformer.

filter the transformer oil.

absorb moisture from air entering in transformer.

absorb moisture of air during breathing.

provide cold air in transformer.

filter the transformer oil.

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Electrical Machines
In a DC shunt generator working on load, the brushes are moved forward in the direction of rotation, as a result of this, commutation will

improve and terminal voltage will rise .

worsen and terminal voltage will fall

improve but terminal voltage will fall.

worsen and terminal voltage will rise.

improve and terminal voltage will rise .

worsen and terminal voltage will fall

improve but terminal voltage will fall.

worsen and terminal voltage will rise.

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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 Which of the following alternators contain large number of poles?

Electrical Machines A 240 V DC series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3 ohms. The value of resistance which must be added to obtain rated torque at 1000 rpm is

Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power?

Electrical Machines Breather is provided in a transformer to

Electrical Machines In a DC shunt generator working on load, the brushes are moved forward in the direction of rotation, as a result of this, commutation will

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
Which of the following alternators contain large number of poles?

Electrical Machines
A 240 V DC series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3 ohms. The value of resistance which must be added to obtain rated torque at 1000 rpm is

Electrical Machines
A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power?

Electrical Machines
Breather is provided in a transformer to

Electrical Machines
In a DC shunt generator working on load, the brushes are moved forward in the direction of rotation, as a result of this, commutation will