Which of the following properties is not necessarily desirable for the material for transformer core ?
A) Low hysteresis loss
B) High permeability
C) High thermal conductivity
D) Adequate mechanicalstrength
Correct Answer:
Verified
Q8: Star/star transformers work satisfactorily when
A)load is unbalanced
Q9: Delta/star transformer works satisfactorily when
A)load is balanced
Q10: Buchholz's relay gives warning and protection against
A)electrical
Q11: The magnetising current of a transformer is
Q12: Which of the following does not change
Q14: The leakage flux in a transformer depends
Q15: The path of the magnetic flux in
Q16: Noise level test in a transformer is
Q17: Which of the foJIowing is not a
Q18: A transformer can have zero voltage regulation
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