Transformers The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns? 350 210 450 900 350 210 450 900 ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive only capacitive only inductive or resistive None of these inductive only capacitive only inductive or resistive None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer is generally suitable for ______ None of the listed here High voltage and high output High voltage and small output Low voltage and high output None of the listed here High voltage and high output High voltage and small output Low voltage and high output ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Sandwich type Rectangular type Circular type Cylindrical type Sandwich type Rectangular type Circular type Cylindrical type ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following property is not necessarily desirable in the material for transformer core? High thermal conductivity Mechanical strength Low hysteresis loss High permeability High thermal conductivity Mechanical strength Low hysteresis loss High permeability ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Turn ratio Total equivalent resistance Total equivalent leakage reactance Copper losses Turn ratio Total equivalent resistance Total equivalent leakage reactance Copper losses ANSWER DOWNLOAD EXAMIANS APP
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