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Transformers
The primary winding of a power transformer should always be
switched
shorted
fused
open
switched
shorted
fused
open
Answer
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Related Question
Transformers
Sumpner's test is conducted on transformers to determine
temperature
all-day efficiency
stray losses
None of these
temperature
all-day efficiency
stray losses
None of these
Answer
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Transformers
A Buchholz relay can be installed on
Welding transformer
Oil cooled transformer
Air-cooled transformer
Auto transformer
Welding transformer
Oil cooled transformer
Air-cooled transformer
Auto transformer
Answer
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Transformers
Which of the following parts of a transformer is visible from outside?
Core
Bushings
Secondary winding
Primary winding
Core
Bushings
Secondary winding
Primary winding
Answer
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Transformers
Power transformers are generally designed to have maximum efficiency around
half-load
10% overload
near full-load
no-load
half-load
10% overload
near full-load
no-load
Answer
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Transformers
A transformer transfers electrical energy from primary to secondary usually with a change in ______
Voltage
Power
Frequency
Time period
Voltage
Power
Frequency
Time period
Answer
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