(A)ceramics (B)celluloid (C)moulded hard rubber (D)any of the above. Ans : (D)
(A) to facilitate flow of gases (B) to recover acid loss through vapours (C) to prevent flow of gases (D) all of the above. Ans : (A)
A) both anode and cathode become B) voltage of the cells increases C) specific gravity of acid increases D) none of the above takes place. Ans : (A)
A) voltage drops B) specific gravity of acid increases C) anode becomes whitish in colour D) the cell gives out energy. Ans : (B)
A)voltage B)specific gravity of electrolyte C)gassing D)any of the above. Ans : (D)
A) 1.285 B) 2.185 C) 2.585 D) 2.9585 Ans : (A)
A) to avoid internal short circuits B) to reduce internal resistance C) to facilitate flow of current D) to reduce tendency for polarization. Ans : (A)
A) pressed antimony bismuth alloy B) perforated nickel cadmium alloy C) cast animonial lead alloy D) rolled zinc-copper alloy. Ans : (C)
A) 96500 coulombs B) 9650 coulombs C) 965 coulombs D) 96.5 coulombs. Ans : (A)
A) Gauss’s theorem B) Faraday’s laws of Electrolysis C) Laplace law D) Webers and Ewings theory. Ans : (B)