1000+ Transformer Multiple Choice Questions and Answers Pdf - 1
Question: 1
Scott connections are used to convert
(A) three phase supply to D.C. supply
(B) three phase supply to three phase supply
(C) three phase supply to single phase supply
(D) three phase supply to two phase supply
Ans: D
three phase supply to two phase supply
Question: 2
In core-type transformers, the concentric windings are used with
(A) high voltage winding placed next to core
(B) high voltage winding on the outer side
(C) low voltage winding on the outer side
(D) low voltage winding placed next to core
Ans: D
low voltage winding placed next to core
Question: 3
The short circuit voltage of a transformer mainly depends on the
(A) cross sectional area of the iron core
(B) ohmic resistance of primary winding
(C) ohmic resistance of secondary winding
(D) magnitude of leakage flux
Ans: D
magnitude of leakage flux
Question: 4
The maximum load that a power transformer can carry is limited by its
(A) copper loss
(B) voltage ratio
(C) temperature rise
(D) dielectric strength of oil
Ans: B
voltage ratio
Question: 5
Short circuit test on transformers is conducted to determine
(A) eddy current losses
(B) core losses
(C) copper losses
(D) hysteresis losses
Ans: C
copper losses
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