Recent questions tagged e-vehical

Description : The residual product discharged by the hydrogen-oxygen cell is ____________ a) Hydrogen peroxide b) Alcohol c) Water d) Potassium permanganate

Last Answer : c) Water

Description : The electrolytic solution used in a hydrogen-oxygen fuel cell is ____________ a) 75% KOH solution b) 25% KOH solution c) 75% NaOH solution d) 25% NaOH solution

Last Answer : b) 25% KOH solution

Description : Which of the following is not an example of a fuel cell? a) Hydrogen-oxygen cell b) Methyl-oxygen-alcohol cell c) Propane-oxygen cell d) Hexanone-oxygen cell

Last Answer : d) Hexanone-oxygen cell

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 : The positive plants of nickel iron cell is made up of a. Nickel hydroxide b. Lead peroxide c. Ferrous hydroxide d. Potassium hydroxide

Last Answer : a. Nickel hydroxide

Description : Inverter cell anode and cathode of the…………. cell is used for vehicle (a) Copper electrode zinc (b)Zinc copper (c) Aluminium zinc (d)Nickel Cobalt

Last Answer : (a) Copper electrode zinc

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 : Which is the modified form of batteries in today’s electronic cars? A. Lithium ion B. Nickel iron C. Lead Acid D. Sodium Nitrate

Last Answer : A. Lithium ion

Description : Which electric vehicle has 30 kwh and 160 km range? A. Nissan leaf B. Ford focus C. Mitsubishi MiE5 D. Smart ED

Last Answer : A. Nissan leaf

Description : What is the life span of electric car batteries? A. 8 Year B. 10 years. C. 9 years D. 11 years.

Last Answer : A. 8 Year

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 : Which of the following vehicles produces zero emissions? A. Traditional B. Hybrid C. Electric D. Both A and B

Last Answer : C. Electric

Description : Which vehicle has the smallest number of principle components? A. Traditional vehicle B. Hybrid vehicle C. Electric vehicle D. Both A and B

Last Answer : C. Electric vehicle

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 these is a problem electric car makers are trying to solve? A. Electric cars aren't noisy enough. B. They don't produce enough sulphur dioxides. C. They don't cost enough.

Last Answer : A. Electric cars aren't noisy enough.

Description : Which of the following primary cells has the highest voltage ? A. Manganese-alkaline B. Carbon-zinc C. Lithium D. Mercury

Last Answer : C. Lithium

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

Last Answer : D. Chemical

Description : What is one of the primary downsides of fuel cells? A. Weight B. Cost C. Pollution D. Maintenance

Last Answer : B. Cost

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 : 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 : 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 : 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 : 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 : In cell, the current flows in outer circuit from a. Positive terminal to negative terminal and electrons from negative terminal to positive terminal b. Positive terminal to negative ... terminal d. Negative terminal to positive terminal and electrons from positive terminal to negative terminal

Last Answer : a. Positive terminal to negative terminal and electrons from negative terminal to positive terminal

Description : The emf of the dry cell is about a. 0 V b. 0.5 V c. 1 V d. 1.5 V

Last Answer : d. 1.5 V

Description : In lead acid accumulators, the container is filled with distilled water and concentrated sulphuric acid in the ratio of a. 1 : 2 b. 2 : 1 c. 3 : 1 d. 1 : 3

Last Answer : c. 3 : 1

Description : The positive plates of nickel iron cell is made up of a. Nickel hydroxide b. Lead peroxide c. Ferrous hydroxide d. Potassium hydroxide

Last Answer : a. Nickel hydroxide

Description : Lithium cells operates ranging from a. -25 ° C to 25 ° C b. -50 ° C to 25 ° C c. -50 ° C to 75 ° C d. -75 ° C to 75 ° C

Last Answer : c. -50 ° C to 75 ° C

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 : 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 : 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 : 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 : 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

Last Answer : D. None of the above

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

Last Answer : • Battery capacity

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

Last Answer : • ESSV

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

Last Answer : • Carbon

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 : Entire cell is enclosed by a steel casing that is protected usually by _____ and _____. • Nickel, chromium • Chromium, molybdenum • Aluminium, molybdenum • Nickel, aluminium

Last Answer : • Chromium, molybdenum

Description : The cell is usually ____ in shape. • Triangular • Circular • Rectangular • Cylindrical

Last Answer : • Cylindrical

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 : What are the various types of batteries used in electric vehicles • Lithium ion batteries • Sodium nickel chloride batteries • Sodium sulphor batteries • All of the above

Last Answer : • All of the above

Description : Sodium nickel chloride batteries are also called as • Horse • Zebra • Cobra • Turbo

Last Answer : • Zebra

Description : Average lifespan of sodium nickel chloride batteries • 5 years • 10 years • 15 years • 20 years

Last Answer : • 15 years

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