61 The degree of mechanical vibrations produced by the laminations of a transformers depends on
A. Tightness of clamping
B. Gauge of laminations
C. Size of laminations
D. All of the above

1 Answer

Answer :

D. All of the above

Related questions

Description : The degree of mechanical vibrations produced by the laminations of a transformer depends on?

Last Answer : The degree of mechanical vibrations produced by the laminations of a transformer depends on tightness of clamping, gauge of laminations, size of laminations.

Description : 69 In case there are burrs on the edges of the laminations of the transformer, it is likely to result in A. Vibrations B. Noise C. Higher eddy currents loss D. Higher hysteresis loss

Last Answer : C. Higher eddy currents loss

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Last Answer : C. Hum

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Last Answer : D) saturation of core

Description : 77 The transformer laminations are insulated from each other by A. Mica strip B. Thin coat of varnish C. Paper D. Any of the above

Last Answer : B. Thin coat of varnish

Description : 70] Silicon steel used in laminations mainly reduces A. Hysteresis loss B. Eddy current losses C. Copper loss D. All of the above

Last Answer : A. Hysteresis loss

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Last Answer : B. Eddy current loss is reduced

Last Answer : The thickness of laminations used in a transformer is usually 0.4 mm to 0.5 mm.

Last Answer : Silicon steel used in laminations mainly reduces hysteresis loss.

Last Answer : The transformer laminations are insulated from each other by thin coat of varnish.

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Description : How is magnetic leakage reduced to a minimum in commercial transformers?

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