7000+ Electrolysis And Storage Of Batteries MCQ Questions Pdf - 2

Question: 6

For satellites the source of energy is

(A) Cryogenic storage

(B) Edison cell

(C) Fuel cell

(D) Solar cell

Question: 7

Which of the following cells is/are used as voltage reference?

(A) Nickel cadmium cells

(B) Mercury cadmium cell

(C) Nickel iron cells

(D) Lead acid cells

Question: 8

The greater the internal resistance of a cell

(A) The lesser the emf

(B) The lesser the terminal voltage

(C) The greater the terminal voltage

(D) The greater the emf

Question: 9

Energy or watt hour efficiency of a lead acid accumulator is

(A) 90 to 95%

(B) 75 to 85%

(C) 60 to 70%

(D) 50 to 60%

Question: 10

In a fuel cell cathode is of

(A) Ammonia

(B) Hydrogen

(C) Oxygen

(D) Carbon monoxide