- 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?