Answer / rvg

Specific gravity of electrolyte is an indication of charge
stored on the battery.
spe.gravity low means battery having less charge and need
to be charged with a DC source.

Answer / nagaraju .n

THE BATTRY CHARGING DEPENDING ON ELECTROLITE WITH SPECIFIC
GRAVITY
IN AN FULLY CHARGED BATTRY IS HAVING HIGH SP..GRAVITY.
IN AN LOW CHARGED BATTERY IS HAVING LOW SP ..GRAVITY

Answer / smartboy123

if lead acid battery have a low sp.gravity then battery
said to be discharged cell, it can not supply full load to
equipments is if battery is discharged then it cant take
load

if lead acid battery is charged or say high sp.gravity then
bettery take load as per design

Answer / monty

sp. gravity means the ratio of density of acid and water.
so when battery discharges the ratio become unbalanced and sp. gravity increased or decreased

why power factor is lagging and leading(i.e -1to +1)

2 Answers  

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For load of 1 nos 3 TR Air Conditioners,6nos of 60 Watt Tibe Lights, 2 nos 200 W Outdoor Lights,1 no Coffee maker.All may work at the same timehow do I select DG Set Rating ,pLease advise the calculations

1 Answers  

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Normally the starter used to reduce the starting current.but the dol starter do not it,so why we use it?

4 Answers  

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what is the working principle of dc motor & its application ?

3 Answers  

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what is the maximum demand how it is defined

1 Answers  

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why in India it is maintained for exactly 50HZ frequency, why it is not that 49Hz,why it is so?

2 Answers  

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How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.

0 Answers   ABB,

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why ferranti efect occurs on no load only?

3 Answers  

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what is package substation.how many types they have

0 Answers   ABC,

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what is the synchronous timer ? and it applications.

0 Answers   CPCL,

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i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

0 Answers  

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in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

0 Answers  

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