The result of slip test on a 3-phase, 20 KVA, 400 V, 50 Hz connected salient pole alternator is given below- Phase value: Vmax = 100 V, Vmin = 96 V, Imax = 10 A and I min = 7 A. The direct and quadranature axis reactances are respectively

Electrical Machines
The result of slip test on a 3-phase, 20 KVA, 400 V, 50 Hz connected salient pole alternator is given below- Phase value: Vmax = 100 V, Vmin = 96 V, Imax = 10 A and I min = 7 A. The direct and quadranature axis reactances are respectively

8.248 and 9.60 ÃŽÂ©.

14.28 and 5.54 ÃŽÂ©.

14.28 and 9.60 ÃŽÂ©.

8.248 and 5.54 ÃŽÂ©.

8.248 and 9.60 ÃŽÂ©.

14.28 and 5.54 ÃŽÂ©.

14.28 and 9.60 ÃŽÂ©.

8.248 and 5.54 ÃŽÂ©.

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Electrical Machines
The armature reaction mmf in a DC machines has a form of

triangular.

rectangular.

trapezoidal.

sinusoidal.

triangular.

rectangular.

trapezoidal.

sinusoidal.

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Electrical Machines
Maximum allowable acidity level of power transformer insulating oil is generally taken as

0.5 mg of KOH / gm.

1 mg of KOH / gm.

2 mg of KOH / gm.

0.3 mg of KOH / gm.

0.5 mg of KOH / gm.

1 mg of KOH / gm.

2 mg of KOH / gm.

0.3 mg of KOH / gm.

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Electrical Machines
With the increases in field excitation of a DC generator, its generated emf

increases upto a limit and then remains almost constant.

remains constant.

increases.

decreases.

increases upto a limit and then remains almost constant.

remains constant.

increases.

decreases.

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Electrical Machines
What type of connection is made in between the inter-pole and the field winding?

Parallel.

None of the options.

Compound.

Series.

Parallel.

None of the options.

Compound.

Series.

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Electrical Machines
Which is the arrangement of windings in a core type single phase transformer?

Half lv inside and half hv outside on each core limb

Lv on one core limb and hv on the other

Half hv inside and half lv outside on each core limb

Sandwiched lv and hv discs on each core limb

Half lv inside and half hv outside on each core limb

Lv on one core limb and hv on the other

Half hv inside and half lv outside on each core limb

Sandwiched lv and hv discs on each core limb

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Electrical Machines

Electrical Machines The result of slip test on a 3-phase, 20 KVA, 400 V, 50 Hz connected salient pole alternator is given below- Phase value: Vmax = 100 V, Vmin = 96 V, Imax = 10 A and I min = 7 A. The direct and quadranature axis reactances are respectively

Electrical Machines The armature reaction mmf in a DC machines has a form of

Electrical Machines Maximum allowable acidity level of power transformer insulating oil is generally taken as

Electrical Machines With the increases in field excitation of a DC generator, its generated emf

Electrical Machines What type of connection is made in between the inter-pole and the field winding?

Electrical Machines Which is the arrangement of windings in a core type single phase transformer?

Electrical Machines
The result of slip test on a 3-phase, 20 KVA, 400 V, 50 Hz connected salient pole alternator is given below- Phase value: Vmax = 100 V, Vmin = 96 V, Imax = 10 A and I min = 7 A. The direct and quadranature axis reactances are respectively

Electrical Machines
The armature reaction mmf in a DC machines has a form of

Electrical Machines
Maximum allowable acidity level of power transformer insulating oil is generally taken as

Electrical Machines
With the increases in field excitation of a DC generator, its generated emf

Electrical Machines
What type of connection is made in between the inter-pole and the field winding?

Electrical Machines
Which is the arrangement of windings in a core type single phase transformer?