On over charging a battery
A. It will bring about chemical change in active materials
B. It will increase the capacity of the battery
C. It will raise the specific gravity of the electrolyte
D. None of the above

1 Answer

Answer :

D. None of the above

Related questions

Description : Trickle charger of a storage battery helps to A. Maintain proper electrolyte level B. Increase its reverse capacity C. Prevent sulphation D. Keep it fresh and fully charged

Last Answer : D. Keep it fresh and fully charged

Description : The charging time depends on which of the following factor? • Battery size • Battery capacity Size of vehicle • Voltage of batery

Last Answer : • Battery capacity

Description : When a nickel-cadium battery begins gassing while connected to the battery charging circuit, you should _____________. A. do nothing as this is a normal condition when charging B. add distilled water ... to each cell to increase the specific gravity of the electrolyte D. decrease the charging rate

Last Answer : Answer: A

Description : Following will happen if battery charging rate is too high A. Excessive gassing will occur B. Temperature rise will occur C. Bulging and buckling of plates we occur D. All of the above

Last Answer : D. All of the above

Description : How to increase the range on electric vehicles? a. By increasing the battery capacity. b. By reducing battery capacity. c. By installing a turbocharger. d. By installing another DC motor.

Last Answer : a. By increasing the battery capacity.

Description : The open circuit voltage of any storage cell depends wholly upon A. Its chemical constituents B. On the strength of its electrolyte C. Its temperature D. All of the above

Last Answer : D. All of the above

Description : If violent gassing occurs when a lead-acid storage battery is first placed on charge, the _____________. A. battery must be given an emergency charge B. charging rate is too low C. charging rate is too high D. specific gravity of the electrolyte solution is too low

Last Answer : Answer: C

Description : A slow continual loss of electrolyte level from one cell of a storage battery could be due to _______________. A. a cracked casing B. too low a charging rate C. the specific gravity being higher than normal D. one filler cap installed too tightly

Last Answer : Answer: A

Description : The specific gravity of the electrolyte solution in a lead acid battery _____________. A. is not effected during charging B. remains the same during discharge C. would read close to 1.830 when discharged D. gives an indication of the state of charge of the battery

Last Answer : Answer: D

Description : Violent gassing from a lead-acid battery while it is being charged, indicates that the _____________. A. plate separators are grounded B. battery compartment ventilation is inadequate C. electrolyte specific gravity is too low D. charging rate is too high

Last Answer : Answer: D

Description : When charging a nickel-cadmium battery, ____________. A. the charging rate should be lessened when gassing commences B. overcharging should be avoided C. the specific gravity of the electrolyte will be ... by the state of charge D. add distilled water just prior to charging to insure proper mixing

Last Answer : Answer: C

Description : During charging, the specific gravity of the electrolyte of a lead acid battery _____.

Last Answer : During charging, the specific gravity of the electrolyte of a lead acid battery increases.

Description : Ampere hour capacity of an industrial battery is based on ……….hours discharge rate A. 8 B. 12 C. 16 D. 24

Last Answer : A. 8

Description : The capacity of a battery is expressed in terms of A. Current rating B. Voltage rating C. Ampere hour rating D. None of the above

Last Answer : C. Ampere hour rating

Description : The capacity of a battery is expressed in terms of A ampere per hour B current C volt D ampere

Last Answer : A ampere per hour

Description : A stable interface between solid _________ liquid ____________ and gaseous ___________ promotes high rate of electrode processes. a) Fuel, electrolyte, electrode b) Electrode, fuel, electrolyte c) Electrode, electrolyte, fuel d) Fuel, electrode, electrolyte

Last Answer : c) Electrode, electrolyte, fuel

Description : Each cell has a vent cap A. To allow gases out when the cell is on charge B. To add water to the cell if needed C. To check the level of electrolyte D. To do all above functions

Last Answer : D. To do all above functions

Description : Full form of BASE is _____. • Basic Analysis and Security Engine. • Biefield Academic Search Engine. • Basel Agency for Sustainable Energy. • Beta-Aluminium Solid Electrolyte.

Last Answer : • Beta-Aluminium Solid Electrolyte.

Description : Average temperature of electrolyte in sodium nickel chloride batteries • 100 to 200 degree Celsius • 270 to 350 degree Celsius • 380 to 410 degree Celsius • None of the above

Last Answer : • 270 to 350 degree Celsius

Description : The electrolyte used in sodium nickel chloride batteries is • Sodium chloride • Tetra chloraluminate • Sodium bicarbonate • Sodium glutamate

Last Answer : • Tetra chloraluminate

Description : Identify incorrect statement of Electric vehicle A. Insufficient charging stations B. Long charging period C. Limited range D. High operating cost

Last Answer : D. High operating cost

Description : Which of the following is not the name of charging station? • Electric vehicle charging station • EVSE • ECS • ESSV

Last Answer : • ESSV

Description : The state of charge of a lead-acid battery is best indicated by the ____________. A. individual cell voltage B. ampere-hour capacity C. electrolyte specific gravity D. total cell voltage

Last Answer : Answer: C

Description : The state of charge of a lead acid storage battery is best indicated by the _____________. A. testing of the individual cell voltages B. ampere hour capacity of the battery C. specific gravity of the electrolyte D. total cell voltages

Last Answer : Answer: C

Description : When two batteries are connected in parallel, it should be ensured that A. They have same emf B. They have same make C. They have same ampere hour capacity D. They have identical internal resistance

Last Answer : A. They have same emf

Description : How long does an electric car battery lasts per charge? A. 20 min.-10hr. B. 30min.-12hr. C. 40min.-9hr. D. 60min.-8hr.

Last Answer : B. 30min.-12hr.

Description : A dead storage battery can be revived by A. Adding distilled water B. Adding so-called battery restorer C. A dose of H2SO4 D. None of the above

Last Answer : D. None of the above

Description : The electrode for a battery must be A. A semi conductor B. An insulator C. A good conductor of electricity D. A bad conductor of electricity

Last Answer : C. A good conductor of electricity

Description : Which of the following battery is used for aircraft? A. Lead acid battery B. Nickel-iron battery C. Dry cell battery D. Silver oxide battery

Last Answer : B. Nickel-iron battery

Description : To prevent local action in battery, only …………is used in electrolytes A. Pump water B. Distilled water C. Tap water D. Both A and C

Last Answer : B. Distilled water

Description : Battery container should be acid resistance therefore it is made up of A. Glass B. Plastic C. Wood D. All of the above

Last Answer : D. All of the above

Description : The storage battery generally used in electric power station is A. Nickel-cadmium battery B. Zinc carbon battery C. Lead-acid battery D. None of the above

Last Answer : C. Lead-acid battery

Description : The sulphur in sulphur sodium battery is absorbed by___ sponge. • Sodium • Carbon • Wire • Cellulose

Last Answer : • Carbon

Description : The following is the operating temperatures of the sodium –sulphur battery. • 400 to 600°C • 1000 to 1500°C • 300 to 350°C • 100 to 200°C

Last Answer : • 300 to 350°C

Description : Sodium sulphur battery is a type of molten-salt battery constructed from _____ sodium and sulphur. • Solid • Liquid • Plasma • Gases

Last Answer : • Liquid

Description : How much time it takes for a electric car of 60kWh battery to charge 1. 5 hours 2. 8 hours 3. 6-7 hours 4. None of above

Last Answer : 2. 8 hours

Description : Life of a battery in the electric vehicle is about A 8 years B 5 years C 10 years D 20 years

Last Answer : A 8 years

Description : What type of battery is used in an electric car? A] Lithium ion B] Nickel -metal hydride C] Both A and B D] None of the above

Last Answer : C] Both A and B

Description : What is the life of battery in an electric car ? A] 8 year B] 10 year C] 4 year D] 20 year

Last Answer : A] 8 year

Description : The output voltage of a charger is A] less than the battery voltage B] Higher than the battery voltage C] The same as the battery voltage D] None of the above

Last Answer : B] Higher than the battery voltage

Description : The storage battery generally used in electric power station is A] nickel-cadmium battery B] zinc-carbon battery C] lead-acid battery D] None of the above

Last Answer : C] lead-acid battery

Description : A lead-acid battery is considered fully charged when the ______________. A. electrolyte gasses freely B. battery charger ammeter indicates a positive reading C. terminal voltage reaches a constant value at a ... cells reaches the correct value and no longer increases over a period of 1 to 4 hours

Last Answer : Answer: D

Description : A fuel cells converts ………energy into electrical energy A. Mechanical B. Magnetic C. Solar D. Chemical

Last Answer : D. Chemical

Description : Which of the following activities occurs during the charging process of a lead-acid storage battery? A. The specific gravity of the acid increases. B. Both plates change chemically to lead sulfate. C. The specific gravity of the acid decreases. D. Hydrogen gas is absorbed.

Last Answer : Answer: A

Description : Which of the following conditions indicates that a lead-acid battery is being charged too rapidly? A. Sparks occurring at the positive terminal. B. Unusually high electrolyte specific gravity. C. Low plate potentials being developed. D. Excessively high temperatures and gassing rates.

Last Answer : Answer: D

Description : When troubleshooting an alkaline storage battery a weak or dead cell is best located by ____________. A. checking the specific gravity of each cell B. visually inspecting each cell's ... testing each cell with a voltmeter D. measuring the electrolyte temperature with an accurate mercury thermometer

Last Answer : Answer: C

Description : A hydrometer is used to measure the ____________. A. specific gravity of a battery electrolyte B. water pressure in a deck pipeline C. amount of potable water a vessel is taking on D. power developed by a salt water service pump

Last Answer : Answer: A

Description : Which of the listed ranges represents specific gravity corrected for temperature for the electrolyte of a fully charged portable lead-acid battery? A. 1.100 to 1.150 B. 1.180 to 1.200 C. 1.280 to 1.300 D. 1.750 to 2.000

Last Answer : Answer: C

Description : When troubleshooting a lead-acid storage battery, a weak or dead cell is best detected by _________________. A. measuring and comparing all cells' specific gravity B. taking an open circuit ... electrolyte levels of each cell D. taking each cell's temperature with a calibrated mercury thermometer

Last Answer : Answer: A

Description : When you check the specific gravity of the battery electrolyte with a hydrometer, it should be kept in mind that ____________. A. the battery is fully charged when the indicator floats low in ... taken immediately after water is added to the cell D. temperature has no effect on hydrometer readings

Last Answer : Answer: C