nilamani umashankar jena


{ City } bbsr
< Country > india
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User No # 99718
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Total Answers Posted # 8

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Questions / { nilamani umashankar jena }
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Answers / { nilamani umashankar jena }

Question { HCL, 146217 }

what is the difference between earth and neutral?


Answer

I THINK NEUTRAL IS THE WIRE WHERE CURRENT RETURNS IN NORMAL ALTERNATING CURRENT FROM PHASE TERMINAL WHERE AS NEUTRAL IS THE PATH WHERE FAULT CURRENTS WAY.

Is This Answer Correct ?    0 Yes 0 No

Question { Technocon Services, 5424 }

how a synchronous motor is used as a resistor,capacitor and
an inductor?


Answer

SYNCRONOUS MOTOR AT NOLOAD CONDITION IT BEHAVES LIKE A
CAPACITOR

AT OVER LOAD CONDITION IT BEHAVES LIKE A INDUCTOR


AT NORMAL OPERATING CONDITION,IT BEHAVES LIKE A RESISTOR
THAT IS AT NORMAL CONDITION IT OPERATES IN UNITY POWERFACTOR

Is This Answer Correct ?    1 Yes 0 No


Question { IIT, 6639 }

Why do you get a typical sound when the transformer is put into operation?


Answer

it is due to magnetostriction of core.if you want to know
what is magnetostriction then go back to wiki.

Is This Answer Correct ?    3 Yes 1 No

Question { Yamaha, 6040 }

why select the 3 phase power supply system in electrical system.


Answer

IN 3 PHASE POWER SYSTEEM THE VOLTAGE REMAINS CONSTANT AND
WE GET QUALITY POWER

Is This Answer Correct ?    3 Yes 1 No

Question { Yamaha, 6040 }

why select the 3 phase power supply system in electrical system.


Answer

IN THREE PHASE POWER THE VOLTAGE REMAINS CONSTANT SO THE
EFFICIENCY IS MORE

Is This Answer Correct ?    4 Yes 0 No

Question { Vestas, 3891 }

what is reactive power?


Answer

REACTIVE POWER IS THE FICTITIOUS POWER WHICH HAS NO
PHYSICAL SIGNIFICANCEE BUT IT HELPS THE TRANSMISSION OF
ACTIVE POWER
WITHOUT THIS ACTIVE POWER COULD NOT ABLE TO TRANSMIT.

Is This Answer Correct ?    0 Yes 2 No

Question { 9062 }

Which one hurts more AC or DC Current ?


Answer

IN LOW LOW VOLTAGE AC IS MOORE DANGERIOS THAN DC WHERE AS IN
HIGH VOLTAGE DC IS MORE DANGERIOUS

Is This Answer Correct ?    0 Yes 4 No

Question { Dodsal, 4156 }

what is the difference b/w earthing and grounding??


Answer

when a fault occurs in domestic homes ,earthing is used to
provide a path for passing of fault current,it prevents
human being from electric shock.
but on the otherhand grounding is the phenomenon that
states that metallic part of every equipment is connected
to earth.this is called grounding.it is usd to prevent the
equipment from heating damage.

Is This Answer Correct ?    8 Yes 3 No