Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator one has a terminal voltage of 280 V on no load and 240 V when supplying 40 A current. Similarly the second generator has a voltage of 300 V when on no load and 240 V when supplying of 50 A of current. The output voltage of each generator will be

Electrical Machines
Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator one has a terminal voltage of 280 V on no load and 240 V when supplying 40 A current. Similarly the second generator has a voltage of 300 V when on no load and 240 V when supplying of 50 A of current. The output voltage of each generator will be

256.4 V.

271.7 V.

238.2 V.

240 V.

256.4 V.

271.7 V.

238.2 V.

240 V.

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Electrical Machines
Which motor cannot be started on no load?

series motors

cumulative compound motors

both B and C

shunt motors

series motors

cumulative compound motors

both B and C

shunt motors

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Electrical Machines
The armature resistance of a permanent magnet dc motor is 0.8 Ohm. At no load, the motor draws 1.5 A from a supply voltage of 25 V and runs at 1500 rpm. The efficiency of the motor while it is operating on load at 1500 rpm drawing a current of 3.5 A from the same source will be

48.0%.

57.1%.

59.2%.

88.8%.

48.0%.

57.1%.

59.2%.

88.8%.

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Electrical Machines
What is the highest possible speed of turbo alternators?

3000 rpm

4000 rpm

1000 rpm

1500 rpm

3000 rpm

4000 rpm

1000 rpm

1500 rpm

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Electrical Machines
Induction motors have the advantage of

simple in construction.

less cost.

all of below.

less maintenance.

simple in construction.

less cost.

all of below.

less maintenance.

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Electrical Machines
A 10 kW, 230 V, dc shunt machine has four terminals brought out through four leads. For this machine

armature winding has thin leads whereas field winding has thick leads

both the windings have thick leads

armature winding has thick leads whereas field winding has thin leads

both the windings have thin leads

armature winding has thin leads whereas field winding has thick leads

both the windings have thick leads

armature winding has thick leads whereas field winding has thin leads

both the windings have thin leads

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines

Electrical Machines Which motor cannot be started on no load?

Electrical Machines The armature resistance of a permanent magnet dc motor is 0.8 Ohm. At no load, the motor draws 1.5 A from a supply voltage of 25 V and runs at 1500 rpm. The efficiency of the motor while it is operating on load at 1500 rpm drawing a current of 3.5 A from the same source will be

Electrical Machines What is the highest possible speed of turbo alternators?

Electrical Machines Induction motors have the advantage of

Electrical Machines A 10 kW, 230 V, dc shunt machine has four terminals brought out through four leads. For this machine

Electrical Machines
Which motor cannot be started on no load?

Electrical Machines
The armature resistance of a permanent magnet dc motor is 0.8 Ohm. At no load, the motor draws 1.5 A from a supply voltage of 25 V and runs at 1500 rpm. The efficiency of the motor while it is operating on load at 1500 rpm drawing a current of 3.5 A from the same source will be

Electrical Machines
What is the highest possible speed of turbo alternators?

Electrical Machines
Induction motors have the advantage of

Electrical Machines
A 10 kW, 230 V, dc shunt machine has four terminals brought out through four leads. For this machine