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What is meant by power dip?

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What is meant by KVA?

asked Mar 10, 2018 in Power quality by Quiz
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What is meant by a voltage surge?

asked Mar 10, 2018 in Power quality by Quiz
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What causes random power outages?

asked Mar 10, 2018 in Power quality by Quiz
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What are the power quality disturbance?

asked Mar 10, 2018 in Power quality by Quiz
0 answers 15 views

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asked Mar 10, 2018 in Power quality by Quiz
0 answers 9 views

What can you do to prevent a power surge?

asked Mar 10, 2018 in Power quality by Quiz
1 answer 22 views

What would cause a power surge in a house?

asked Mar 10, 2018 in Power quality by Quiz
1 answer 20 views
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What is mean by power switching devices?

asked Sep 21, 2017 in Electronics Engineering by Quiz
1 answer 35 views

Can you have a power factor greater than 1?

asked Mar 10, 2018 in Power quality by Quiz
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Why do we need to correct power factor?

asked Mar 10, 2018 in Power quality by Quiz
1 answer 12 views

How do you measure power factor?

asked Mar 10, 2018 in Power quality by Quiz
0 answers 12 views

Can a power surge erase a hard drive?

asked Mar 10, 2018 in Power quality by Quiz
0 answers 14 views

Can power surge damage your computer?

asked Mar 10, 2018 in Power quality by Quiz
0 answers 17 views

How often do power surges occur?

asked Mar 10, 2018 in Power quality by Quiz
1 answer 93 views
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_______ electric power is the most common method used by electrical grids to transfer power.  (A) One-phase (B) Two-phase (C) Three-phase (D) None of the above

asked May 8, 2018 in Electrical Engineering by Shimroz123
1 answer 15 views

The stability of the power system is not affected by  (1) generator reactance (2) line reactance (3) line losses (4) output torque

asked Apr 30, 2018 in Power system by Shimroz123
1 answer 36 views

In voltage source converter based HVDC transmission system the active power is controlled by changing (A) phase angle of the converter ac input voltage (B) supply frequency of the converter ac input voltage (C) magnitude of the converter ac input voltage (D) DC voltage at the inverter terminals

asked Apr 28, 2018 in High voltage engineering by Shimroz123
1 answer 23 views

The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is (A) zero (B) 0.5 (C) between zero and 0.5 (D) between 0.5 and unity

asked Apr 28, 2018 in Network Analysis by Shimroz123
1 answer 195 views

steady-state stability of a power system is improved by

asked Apr 28, 2018 in Electrical Engineering by Shimroz123
1 answer 17 views

The mechanical power developed by the armature of a d.c. motor is equal to?

asked Mar 26, 2018 in DC motor by Shimroz123
1 answer 97 views

The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 83 views

The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 23 views

Power factor of an inductive circuit is usually improved by connecting capacitor to it in?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 19 views

The maximum load that a power transformer can carry is limited by its?

asked Mar 19, 2018 in Transformer by Shimroz123
0 answers 28 views

How much electricity is produced by a power plant?

asked Mar 10, 2018 in Electric Power Generation by Quiz
1 answer 13 views

Options: A) WATT B) AMPERE C) VOLTS D) OHM

asked Jun 28 in Multiple Choice Questions by Shimroz123
0 answers 41 views
asked Nov 6, 2018 by Power system
1 answer 18 views

What is the choice of size and number of generator units in interconnected power system?

asked Sep 7, 2018 by Shimroz123
1 answer 7 views

What is need of regulated power supply?

asked Sep 4, 2018 by Shimroz123
1 answer 159 views

What is the Power Supply specification for 8085AH microprocessor? A) Single +5V supply with 10% voltage margins B) Dual +5V supply with 10% voltage margins C) Single +10V supply with 5% voltage margins D) Dual +5V supply with 5% voltage margins 

asked Jun 18, 2018 in Microprocessors and Microcontrollers by Shimroz123
1 answer 24 views

What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016 revolutions and the meter constant in revolution is 420? A) 0.04 B) 1.04 C) 0.96 D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123

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