In batteries after completion of charging which colour gas
is emitted from it?
Answer Posted / abbas krishnagiri
in positive plate = oxygen at anode
in negative plate = hydrogen at cathode
color become + ve = dark chocolate brown
color become - ve = gray
| Is This Answer Correct ? | 7 Yes | 1 No |
Post New Answer View All Answers
How many kinds of E.L.C.B and how to work E.L.C.B
EXPLIAN THE IMPORTANCE OF POLY PHASE CIRCUIT.
Anyone who can recommend an equivalent to Envirotemp FR3 of Cooper?
we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.
We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks
how many safety really of DG sets.
Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm
where is the need for short circuit test for 3 see is required and why? can you explain in brief with application
What is current & voltage ? Voltage perform at any load without current or not?
If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?
plz send me the placement interview question and answers of whizchip(technical and apttitude)..i have an interview in next.
what is meant by rotating magnetic filed
Block diagram of Power line communication?
in single phase converter, the no.of scr's conducting during overlap a)1 b)2 c)3 d)4
What is the practical way to calculate the cable size for known ampere load?