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Electrical Machine Design - Interview Questions and Answers

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46. Which of the following is the basic consideration in the design of insulation ?
A. Electrical considerations
B. Mechanical considerations
C. Thermal considerations
D. All of the above
Explanation:
47. The high voltage winding is usually which of the following type ?
A. Cylindrical winding with circular conductors
B. Cross-over winding with either circular or small rectangular conductors
C. Continuous disc type winding with rectangular conductors
D. All of the above types
Explanation:
48. Helical windings are used in
A. distribution transformers
B. power transformers
C. shell type transformers
D. none of the above
Explanation:
49. Yokes with rectangular cross-section are used for
A. small capacity transformers
B. medium capacity transformers
C. large capacity transformers
D. any of the above
Explanation:
50. The insulation between windings and grounded core and the insulation between the windings of the same phase is called
A. minor insulation
B. major insulation
C. either of the above
D. none of the above
Explanation:
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