DESIGN OF ELECTRIC AND HYBRID VEHICLES

Nickel-Cadmium batteries are preferred more than Lead-Acid batteries in military applications because——–

• Can be easily charged and discharged.

• Discharge rate is higher

• Delivers large amount of power

• All of the above

Specific Gravity of a electrolyte in a single cell or a battery is always—–

• Equal to 1.0

• Greater than 1.0

• Less than 1.0

• None of the above

The best indication about the state of charge on a lead-acid battery is given by

• output voltage

• temperature of electrolyte

• specific gravity of electrolyte

• none of the above

In Ideal case, the Charging current for 200Ah battery would be _________ ?

• 10 A

• 12 A

• 15 A

• 20 A

The commercial lead acid cell has 13 plates. The number of positive plates would be_______.

• 6

• 7

• 8

• 9

In a single cell, the two electrodes are separated from each other by——

• 1mm

• 1cm

• 0.5mm

• 0.5cm

Nickel-Cadmium batteries are preferred more than Lead-Acid batteries in military applications because——–

• Can be easily charged and discharged.

• Discharge rate is higher

• Delivers large amount of power

• All of the above

Number of cells connected in series provide a —–

• High current carrying capacity

• Higher Voltage

• Higher power

• None of the above

Storage batteries are rated according to ——–

• Ambient Temperature

• Discharge Rate

• A and C

• None of the above

The capacity of a battery is expressed in terms of

• Current rating

• Voltage rating

• Ampere hour rating

• None of the above