What is the cause of a brownout?

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Description : What is the difference between a blackout and brownout?

Description : What is the definition of brownout?

Description : What is the cause of voltage fluctuation?

Description : What can cause a short circuit?

Description : What can cause a voltage spike?

Description : What would cause a power surge in a house?

Answer : If your neibour / other flat owners / your maintainer staff switch on any type of inductive load that can cause power surge / dip  

Description : Why do non linear loads cause harmonics?

Description : What can cause high amperage on a motor?

Answer : High  amperage  can  result  in  a motor  when the  amount  of  load  increases. when  load  increases  , it  reduces  the  rotor  speed which  increases  the  slip  at  constant  synchronous  speed ... ,  as  a  result  more  current  shall  have  been  drawn  to  maintain  the  additional  load.

Description : What is the use of power factor correction?

Description : What is the best power factor?

Answer : It is unity power factor but difficult to achieve in dynamic loads

Description : What is power factor angle?

Description : What is difference between KW and KVA?

Answer : kW is kilowatt and kVA is kilovolt ampere. kW is unit of real power and kVA is unit of Apparent power.

Description : What is a digital power meter?

Description : What is an RF Power Meter?

Description : What causes random power outages?

Description : What is mitigation of harmonics?

Description : What is the difference between linear and nonlinear electrical loads?

Description : What is current harmonics?

Description : What is a non linear load?

Description : What is the advantage of high power factor?

Answer : Reduced copper losses Smaller conductor size Improve voltage regulation Increase system capability Less energy bill

Description : What is meant by KVA?

Answer : KVA - kilo volt ampere  Used to specify the transformer details

Description : What are even and odd harmonics?

Description : What are the main causes of harmonics?

Answer : Harmonic is a non linear load because linear load voltage deviated due to connection of some electrinie device such as converter,inverter

Description : What is power logger?

Description : What does an electric meter measure?

Description : What are the power quality disturbance?

Description : What is harmonic in power quality?

Description : What is a power quality analyzer?

Description : What is power quality meter?

Description : What are the different power quality issues?

Description : What is good power quality?

Description : What is power quality monitoring?

Description : What can you do to prevent a power surge?

Description : What causes transients?

Answer : Transient is a peak voltage take small period. It will occur due to lightning

Description : What causes lights to dim in house?

Answer : While taking a more load from other Equipment

Description : What is meant by power dip?

Description : What is voltage interruption?

Description : What is meant by a voltage surge?

Description : What is voltage sags and swells?

Description : what is trickle charging ?

Answer : It is the process of charging a fully charged battery at the rate equal to its own discharge rate. This process ensures that the battery remains fully charged. It is carried out only when the battery is not connected to the load.

Description : what is UPS ?

Answer : UPS is Uninterrupted Power Source

Description : what is UPS and what are its uses?

Answer : Ups means uninterrupted power supply It supplies power when there is power supply outage. This is done by storing power in battery banks while power is on and then during power outage the DC in battery is converted to a.c by inverters

Description : What’s your reaction toward people who are outspoken about their beliefs? What conditions cause you to dislike or, conversely, enjoy talking with them?

Description : What is the main cause of exports surplus? A) Country’s stringent import policy B) Developments in national and international markets C) Country’s exports promotion value D) None of the above

Answer : Answer: B

Description : In a flame test the presence of calcium would cause what color flame?

Answer : ANSWER: RED (accept yellow-rez)

Description : What force between molecules tends to cause most common gases to behave as non-ideal gases? w) Van der Waals' force x) ionic bonding force y) gravitational force z) covalent bonding force


Description : The bacteria which cause dental cavities in humans break down sugars, releasing what chemical, that causes tooth destruction? a) acids b) bases c) enzymes d) monosaccharides

Answer : ANSWER: A -- acids

Description : What naturally occurring radioactive substance present in indoor air is suspected as the second leading cause of lung cancer? 


Description : In electronic circuits, what name is given to a frequency discriminating network designed to select or pass certain bands of frequencies with low attenuation and cause very high attenuation to other frequencies?


Description : Wutomobile catalytic converters cause the carbon monoxide and hydrocarbons which result from incomplete combustion to be converted into what two substances?


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