Q.1
Which of the following is the result of long term storage of the battery?
  • a) Low load
  • b) variation in pressure
  • c) Variation in enthalpy
  • d) Stratification
Q.2
By how much variation in the gravity points cell gravity variation can be found?
  • a) 9
  • b) 5
  • c) 10
  • d) 6
Q.3
To avoid which of the following the water level in the electrolyte should be checked periodically?
  • a) To control the temperature
  • b) To control the pressure
  • c) To avoid the damage of the separator and plates
  • d) To avoid the damage of the electrodes
Q.4
Which is the liquid that is used in the cleaning of the battery terminals and clamps to avoid corrosion?
  • a) Hydrochloric acid
  • b) Dilute sulphuric acid
  • c) Liquid ammonia
  • d) Liquid nitrogen
Q.5
Which of the following is not a cause for deterioration of plates?
  • a) The high specific gravity of the electrolyte
  • b) Freezing of electrolyte
  • c) Mechanical damage to the battery
  • d) The proper mixture of water and acid
Q.6
Which of the following is not a reason for the self-discharge of the battery?
  • a) Contamination of electrolyte
  • b) Damaged separators
  • c) Long term storage
  • d) Use of distilled water for electrolyte
Q.7
Which of the following increases due to a reduction in the capacity of battery plates due to sulphation?
  • a) Pressure
  • b) Internal resistance
  • c) Temperature
  • d) Enthalpy
Q.8
In which type of battery there is no requirement of any water during normal service?
  • a) Lead-acid
  • b) Lithium-ion
  • c) Lead-cadmium grid
  • d) Zinc-air
Q.9
Which of the following is the reason for the discolouring of electrolyte?
  • a) Improper water and acid in the electrolyte
  • b) Plates are disintegrating
  • c) No proper vent plugs
  • d) Freezing material in the electrolyte
Q.10
Which among the following damage leads to internal short-circuiting?
  • a) Separator
  • b) Post strap
  • c) Vent plug
  • d) Container
Q.11
Which of the following is not a precaution to avoid sulphation?
  • a) Proper electrolyte level
  • b) Proper specific gravity
  • c) Rapid discharging
  • d) Proper water addition
Q.12
Which of the following lead to the bulged case of a battery?
  • a) Loss of water
  • b) Internal short-circuiting
  • c) Sulphation
  • d) Overcharging
Q.13
Which of the reason for cracking of the battery container as shown below?
  • a) Mechanical shocks and jolts
  • b) High-pressure relief
  • c) Temperature difference
  • d) Variation in voltage
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