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


Please Help Members By Posting Answers For Below Questions

how to do the ductor test?

6551


What descriptive information does the NEC require to be marked on all conductors?

1455


where solid grounding and where grounding through ngr done and why?

2087


please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to surekhared@gmail.com

1502


What is the difference between UPS & inverter ? which UPS is better and whos got the edge ? what is the difference between & inverter ? which UPS is better and whos got the edge 12 V , 24 V , 36 V etc what are the advantages of 12 V, 24 V , 36 V etc and what are the disadvantages of 12 V, 24 V, 36 V etc thanks

1477






DESCRIBE THE CONSTRUCTION ANDOPERATION OF BELT CONVEYORS AND SCR CONVEYORS , DRAW NEAT SKETCHES

1618


excitation limit of an excitor

1510


We normally make oil soak pits under Transformers. Oil from soak pit goes to collection pit. We provide granules/pebbles under transformers. My question is weather granules/ pebbles to be filled in soak pit or not? if yes upto what level?

9870


3phase cable calculation formula by motor load

1004


The power supplied to a 50mH inductor from a 120V, 60Hz source will be

4203


How to Calculate KA Rating of Main LT Panel

1162


What is meant by derating factor?

662


i have to install a HT panel, what components, I have to use in this and what will the diagram of that diagram,please tell me each and everything.

1335


A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

1877


Why mostly the HV side of transformer has Delta?

2747