Electrolysis and storage of batteries MCQs with answers PDF for Electrical Engineering. Includes MCQs on electrostatics, electricity and magnetism, and electrolysis and storage of batteries. Electrical MCQs PDF available for test preparation.
A cable with a single conductor is known as _____ cable.
A. Double-core
B. Multi-core
C. Single-core
D. None of the aboveHighest purity copper is obtained by?
A. roasting
B. smelting
C. electroplating
D. None of themDry cell is modification of?
A. Lead-acid cell
B. Edison cell
C. Deniell cell
D. Leclanche cellThe life of a lead-acid battery is expected to be?
A. two to five years
B. ten to fifteen years
C. two months
D. one yearHigher current density is usually recommended for?
A. bronze plating
B. chromium plating
C. tin plating
D. cadmium platingTwo batteries having unequal e.m.f.?
A. cannot be connected in parallel
B. may be connected in series or in parallel
C. can be connected in series only
D. cannot be connected in seriesCharging of sulphated battery produces ____ heat?
A. very little
B. less
C. no
D. moreWhich of the following has lower sp. gravity?
A. Water
B. Dilute H2S04
C. Concentrated H2S04
D. None of themOne ampere-hour charge is equivalent to?
A. 360 coulombs
B. 2000 coulombs
C. 200 coulombs
D. 3600 coulombsThe electrode for a battery must be?
A. a good conductor of electricity
B. a semi-conductor
C. an insulator
D. None of them