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Transformers
A shell-type transformer has
high eddy current losses
reduced magnetic leakage
None of these
negligibly hysteresis losses
high eddy current losses
reduced magnetic leakage
None of these
negligibly hysteresis losses
Answer
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Related Question
Transformers
Transformer breaths in when
None of these
load on it increases
load on it decreases
load remains constant
None of these
load on it increases
load on it decreases
load remains constant
Answer
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Transformers
In a transformer routine efficiency depends upon
Supply frequency
Load current
Both power factor and load current
Power factor of load
Supply frequency
Load current
Both power factor and load current
Power factor of load
Answer
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Transformers
The maximum flux produced in the core of a transformer is ______
Inversely proportional to primary voltage
Inversely proportional to supply frequency
None of the listed here
Directly proportional to supply frequency
Inversely proportional to primary voltage
Inversely proportional to supply frequency
None of the listed here
Directly proportional to supply frequency
Answer
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Transformers
The all day efficiency of a transformer is ______ the commercial efficiency.
More than
None of the listed here
The same as
Less than
More than
None of the listed here
The same as
Less than
Answer
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Transformers
Which motor is preferred for use in mines where explosive gases exist?
Synchronous motor
Induction motor
Shunt motor
Air motor
Synchronous motor
Induction motor
Shunt motor
Air motor
Answer
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