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Jul 6, 2019
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Which locomotive has the highest operational availability.
State the effects of low power factor on efficiency and voltage regulation of short transmission lines.
Briefly explain how the power factor of an inductive circuit can be improved.
What is the value of capacitance required to improve power factor from 0.7 to 0.9.
Define leakage factor.
Define PIV, TUF, ripple factor, efficiency of rectifier.
working of distortion factor meter with block diagram
Why capacitors are used to improve power factor?
what will be the utilization factor for an indirect lighting scheme
Define : i) Strain gauge ii) Gauge factor
Define ripple factor and PIV of HWR
Discuss how power factor tariff results into energy conservation.
Draw and explain bulk correction method for power factor & control.
State the incentives and penalties related with power factor tariff.
With a neat sketch explain working of 1 phase dynamometer type power factor meter.
State the significance of power factor.
Define ripple factor and PIV of diode.
Define form factor and peak factor.
The following formula is correct: (A) Diversity factor =1 / Coincidence Factor (B) Diversity factor =1 x
A control system having unit damping factor will give
Load factor is the
A transformer has negative voltage regulation when its load power factor is
The knowledge of diversity factor helps in computing
The load duration curve for unity load factor will be of
The power factor of dielectric :
In order to have a lower cost of electrical energy generation the load factor
Power station having Load factor = 70%, capacity factor = 50%, used factor = 60%, maximum demand = 20MW
In a synchronous generator delivering lagging power factor load
What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016
What is crest factor (peak factor)?
Which of the following waveforms has the lowest form factor?
The benefit of power factor correction in a power system is
The power factor angle and torque angle of a salient pole synchronous generator drawing a current of 1.0 pu
The damping factor of a particular system is unity, the system response will be
The power factor of a D.C. circuit is always?
The ratio of active power to apparent power is known as____ factor.
The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is?
Power factor of electric bulb is?
The power factor at resonance in R-L- C parallel circuit is?
Power factor of the system is kept high?
Power factor of an inductive circuit is usually improved by connecting capacitor to it in?
Capacitors for power factor correction are rated in?
Poor power factor?
Power factor of an electrical circuit is equal to?
Form factor for a sine wave is?
The form factor is the ratio of?
The power factor of a single phase load can be calculated if the instruments available are?
In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at?
In a single phase power factor meter the phase difference between the currents in the two pressure coils is?
The two pressure coils of a single phase power factor meter have?