Electrical Engineering MCQs

Page No. 200

Short circuiting of a cell may be caused____________? 0


abuckling of plates


bfaulty separators


c lead particles forming circuit between positive and negative plates


dany one of above


View Answer any one of above

Charging of sulfated battery produces _________ heat


ano


bvery little


cless


dmore


View Answer more

Weston standard cell at 20°C has voltage of _______ volts


a0.8


b 0.9


c1.0187


d1.5


View Answer 1.0187

A battery of 6 cells will show a drop of _______ volts from fully charged state to fully discharged state


a1.0


b 1.5


c 2.4


d2.9


View Answer 2.4

Specific gravity of electrolyte in Edison cell is_____________?


a0.8


b0.95


c 1.1


d1.21


View Answer 1.21

During the idle period of the battery, strong electrolyte tends to change the active material of the cell into____________?


aPb02


bPbSC-4


cPbO


dPb


View Answer PbSC-4

The body of Edison cell is made of___________?


abakelite


b rubber


cnickel plated steel


daluminium


View Answer nickel plated steel

All the electrical connections between the battery and vehicle should be by____________?


athin aluminium wires


b thin copper wires


c rigid cables


d flexible cables


View Answer flexible cables

Ampere hour capacity of an industrial battery is based on _______ hours discharge rate


a8


b12


c 16


d24


View Answer 8

Self charge of a Ni-Fe cell is _______ Edison cell


aequal to


b less than


c more than


dmuch more than


View Answer less than

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