Interview Questions on Electrolysis and Storage of Batteries

111. A typical output of a solar cell is
(a) 0.1V
(b) 0.26 V
(c) 1.1 V
(d) 2 V
Ans: b

112. Petroleum jelly is applied to the electrical connections to the lead-acid battery
(a) prevent local heating
(b) prevent short-circuiting
(c) reduce path resistance
(d) prevent corrosion
Ans: d

113. When the load resistance equals the generator resistance which of the following will be maximum ?
(a) Current
(b) Efficiency of the circuit
(c) Power in the load resistance
(d) Voltage across the load resistance
Ans: c

114. The common impurity in the electrolyte of lead-acid battery is
(a) chlorine
(b) dust particles
(c) lead crystals  
(d) iron
Ans: d

115. In a lead-acid battery the energy is stored in the form of
(a)     charged ions  
(b)     chemical energy
(c) electrostatic energy
(d) electromagnetic energy
Ans: b

116. Which among the following constitutes the major load for an automobile battery ?
(a) Brake light  
(b) Self starter
(c) Parking lights
(d) Spark plugs
Ans: b

117. Which of the following factors adversely affects the capacity of the leadacid battery ?
(a) Temperature of surroundings
(b) Specific gravity of electrolyte
(c) Rate of discharge
(d) All of the above
Ans: d

118. Cells are connected in parallel to
(a) increase the efficiency
(b) increase the current capacity
(c) increase the voltage output
(d) increase the internal resistance
Ans: b

119. A constant-voltage generator has
(a) minimum efficiency
(b) minimum current capacity
(c) low internal resistance
(d) high internal resistance
Ans: c

120. Satellite power requirement is provided through
(a)     solar cells
(b)     dry cells
(c) nickel-cadmium cells
(d) lead-acid batteries
Ans: a

Read More Questions:
Electrolysis and Storage of Batteries MCQs Part1
Electrolysis and Storage of Batteries MCQs Part2
Electrolysis and Storage of Batteries MCQs Part3
Electrolysis and Storage of Batteries MCQs Part4
Electrolysis and Storage of Batteries MCQs Part5
Electrolysis and Storage of Batteries MCQs Part6
Electrolysis and Storage of Batteries MCQs Part7
Electrolysis and Storage of Batteries MCQs Part8
Electrolysis and Storage of Batteries MCQs Part9
Electrolysis and Storage of Batteries MCQs Part10
Electrolysis and Storage of Batteries MCQs Part11
Electrolysis and Storage of Batteries MCQs Part12