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WorksheetsDESIGN OF ELECTRIC AND HYBRID VEHICLES
Total questions: 15
Worksheet time: 30mins
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
The storage battery generally used in electric power station is
Nickel-cadmium battery
Zinc carbon battery
Lead-acid battery
None of the above
Battery charging equipment is generally installed
In well ventilated location
In clean and dry place
As near as practical to the battery being charged
In location having all above features
Batteries are charged by
Rectifiers
Engine generator sets
Motor generator sets
Any of the above
If a battery is to be charged at a much higher rate as compared to normal charging rate, the charging should be restricted to
95% of the capacity of battery
80% of the capacity of battery
55% of the capacity of battery
35% of the capacity of battery
The terminal voltage when the battery is being charged decreases with
Increasing temperature
Increasing charging rate
Increasing stage of charge
All of the above
