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Electrical Engineering

What is the factor of polarization?

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What is the factor of polarization?

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What is the factor affecting the polarization?

What is the factor affecting the polarization?

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What is the purpose of a power factor meter?

What is the purpose of a power factor meter?

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What is power factor in the context of UPS?

What is power factor in the context of UPS?

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What is the significance of a power supply’s form factor?

What is the significance of a power supply’s form factor?

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What is the significance of power factor in transmission?

What is the significance of power factor in transmission?

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What is the purpose of a power factor protection scheme in capacitor banks?

What is the purpose of a power factor protection scheme in capacitor banks?

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How do you calculate the quality factor (Q) of a resonant circuit?

How do you calculate the quality factor (Q) of a resonant circuit?

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How does power factor correction affect the design of motor drives?

How does power factor correction affect the design of motor drives?

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Explain the concept of power factor correction (PFC) in AC-DC converters.

Explain the concept of power factor correction (PFC) in AC-DC converters.

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Explain the concept of Q factor in audio equalization.

Explain the concept of Q factor in audio equalization.

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Explain the concept of quality factor (Q) in inductors.

Explain the concept of quality factor (Q) in inductors.

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Explain the concept of power factor correction in AC-DC converters.

Explain the concept of power factor correction in AC-DC converters.

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What is the purpose of power factor correction in power supplies?

What is the purpose of power factor correction in power supplies?

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Why power factor of the transformer under no load is very low?

Why power factor of the transformer under no load is very low?

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What will happen when power factor is leading in distribution of power?

What will happen when power factor is leading in distribution of power?

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What is the power factor of an alternator at no load?

What is the power factor of an alternator at no load?

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What are Causes of low Power Factor ?

What are Causes of low Power Factor ?

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State the methods of improving power factor?

State the methods of improving power factor?

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Mention the disadvantages of low power factor? How can it be improved?

Mention the disadvantages of low power factor? How can it be improved?

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What is the power factor of a series RL circuit?

What is the power factor of a series RL circuit?

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Which factor the copper loss of a transformer depends?

Which factor the copper loss of a transformer depends?

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What is the N-factor of o2?

What is the N-factor of o2?

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What is an example of bilateral factor?

What is an example of bilateral factor?

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What is the full form of Q factor?

What is the full form of Q factor?

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What is the Q factor of a filter?

What is the Q factor of a filter?

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Is a power factor of 0.8 good?

Is a power factor of 0.8 good?

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What is the power factor of AC?

What is the power factor of AC?

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Plot the chronological load curve and load duration curve. Find the load factor of the plant and energy supplied by the plant in 24 hours.

Plot the chronological load curve and load duration curve. Find the load factor of the plant and energy supplied by the plant in 24 hours.

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A single phase wattmeter rated for 500 V; 5 A is having full scale deflection of 1000 watt. What is multiplying factor of the wattmeter?

A single phase wattmeter rated for 500 V; 5 A is having full scale deflection of 1000 watt. What is multiplying factor of the wattmeter?

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A 500kVA distribution transformer having copper and iron losses of 5kW and 3kW respectively on full load. The transformer is loaded as shown below: Loading (kW) Power Factor (Lag) No. of hours 400 0.8 06 300 0.75 12 100 0.8 03 No load - 03 Calculate the all-day efficiency.

A 500kVA distribution transformer having copper and iron losses of 5kW and 3kW respectively on full load. The transformer is loaded as shown below: Loading (kW) Power Factor (Lag) No. of hours 400 0.8 06 300 0.75 12 100 0.8 03 No load - 03 Calculate the all-day efficiency.

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State the effects of low power factor on efficiency and voltage regulation of short transmission lines.

State the effects of low power factor on efficiency and voltage regulation of short transmission lines.

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State the working principle and operation of automatic power factor controller used in transmission & distribution system.

State the working principle and operation of automatic power factor controller used in transmission & distribution system.

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Explain the penalty clause of poor power factor while preparing energy bill.

Explain the penalty clause of poor power factor while preparing energy bill.

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Identify the benefits and applications of availability-based tariff and power factor tariff.

Identify the benefits and applications of availability-based tariff and power factor tariff.

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An industrial consumer charged with the scheduled tariff of Rs.250 /kVA per month for maximum demand and 150 paisa per unit consumed for load factor of 60% and 80%. Find overall cost per unit at i) unity P.F. ii) 0.9 P.F. consider maximum demand of 50 kVA.

An industrial consumer charged with the scheduled tariff of Rs.250 /kVA per month for maximum demand and 150 paisa per unit consumed for load factor of 60% and 80%. Find overall cost per unit at i) unity P.F. ii) 0.9 P.F. consider maximum demand of 50 kVA.

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Make use of load factor and maximum demand tariff to minimize electrical consumption of electrical installation.

Make use of load factor and maximum demand tariff to minimize electrical consumption of electrical installation.

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Illustrate with neat sketch the working of automatic power factor corrector as an energy conservation device.

Illustrate with neat sketch the working of automatic power factor corrector as an energy conservation device.

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A workshop measures 10m × 25m. The shop is illuminated by 24 lamps of 200 watts each. The lumen efficiency of each lamp is 15 lumens per watt. Depreciation factor is assumed to be 0.8 and a coefficient of utilization 0.5. Determine the illumination on the working plane.

A workshop measures 10m × 25m. The shop is illuminated by 24 lamps of 200 watts each. The lumen efficiency of each lamp is 15 lumens per watt. Depreciation factor is assumed to be 0.8 and a coefficient of utilization 0.5. Determine the illumination on the working plane.

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Draw vector diagram of loaded alternator at lagging power factor.

Draw vector diagram of loaded alternator at lagging power factor.

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What is the phase angle and power factor of a pure capacitor?

What is the phase angle and power factor of a pure capacitor?

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What is the phase angle and power factor of a pure inductor?

What is the phase angle and power factor of a pure inductor?

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Determine the power factor of an RLC series circuit with given values.

Determine the power factor of an RLC series circuit with given values.

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What is the unit of power factor?

What is the unit of power factor?

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What is the power factor of cycloconverter?

What is the power factor of cycloconverter?

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What is the symbol name of ripple factor?

What is the symbol name of ripple factor?

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What is the power factor of a half wave rectifier?

What is the power factor of a half wave rectifier?

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What is the peak factor of a half wave rectifier?

What is the peak factor of a half wave rectifier?

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How does power factor affect the performance of an induction motor?

How does power factor affect the performance of an induction motor?

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What is the purpose of a power factor correction (PFC) circuit?

What is the purpose of a power factor correction (PFC) circuit?

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Explain the working principle of a power factor correction (PFC) circuit.

Explain the working principle of a power factor correction (PFC) circuit.

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