Related Questions

A power supply which has voltage regulation of ___________ is unregulated power supply
A 0%
B 5%
C 10%
D 8%
The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.
A Same
B Less
C More
D None of these
The method of analysis of distribution system in which the domestic supply is neglected and fire demand is considered is
A Circle method
B Equivalent pipe method
C Electrical analysis method
D Hardy cross method
The permissible color for domestic water supply is __________ ppm.
A 1
B 20
C 100
D 1000
What is considered as the standard unit which forms the basis of a country’s domestic money supply?
A Monetary unit
B Currency
C Foreign exchange
D Cash or check
The frequency generated by each decade in a direct frequency synthesizer is much higher than the frequency shown; this is done to
A Reduce the spurious frequency problem
B Increase the frequency stability of the synthesizer
C Reduce the number of decades
D Reduce the number of crystals required
By the use of which of the following, high frequency power supply for induction furnaces can be obtained?
A Coreless transformers
B Current transformers
C Motor-generator set
D Multiphase transformer
When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a
A D-slide valve
B governor
C Meyer’s expansion valve
D flywheel
If in a synchronous motor, driving a given mechanical load and drawing current at a leading power factor from constant voltage supply its field excitation is increased, its power factor
A will become more
B will become less
C will remain unchanged
D none of the above.
If in a synchronous motor, driving mechanical load and drawing current at lagging power factor from constant voltage supply, its field excitation is increased, then its power factor
A become more
B become less
C remain constant
D none of the above

Next steps