Emerging Trends in Mechanical Engineering

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Chapter 1: Recent Trend in Automobile Industry

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1.2 E- Vehicle
1   How many km can an electric car go?
    (A)   500 Km
    (B)   700 km
    (C)   450 km
    (D)   100km

2   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

3   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

4   What is the challenge with electric vehicles?
    (A)   Vehicle durability
    (B)   Cell life
    (C)   Cost
    (D)   Both A and B

5   What is the life of battery in an electric car?
    (A)   8 year
    (B)   10 year
    (C)   4 year
    (D)   20 year

6   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

7   The capacity of a battery is expressed in terms of
    (A)   ampere per hour
    (B)   current
    (C)   volt
    (D)   ampere

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

9   Who was the inventor of electric batteries in electric cars?
    (A)   Thomas Davenport
    (B)   Newton
    (C)   Dr Abdul Kalam
    (D)   Nikola Tesla

10   How much time it takes for an electric car of 60kWh battery to charge
    (A)   5 hours
    (B)   8 hours
    (C)   6-7 hours
    (D)   None of above

11   Advantages of lithium batteries
    (A)   Light weight
    (B)   Compact
    (C)   Low maintenance
    (D)   All of the above

12   How many volts it take to charge an electric car?
    (A)   140
    (B)   150
    (C)   120
    (D)   200

13   How many known modes of charging of EVs are available?
    (A)   3
    (B)   2
    (C)   4
    (D)   1

14   Which from the listed are fuel cells?
    (A)   SOFC
    (B)   MCFC
    (C)   PAFC

15   Modern lithium ion batteries provide average range of
    (A)   120-280 kilometers
    (B)   320-480 kilometers
    (C)   520-680 kilometers
    (D)   720-980 kilometers

16   The electrolyte used in sodium nickel chloride batteries is
    (A)   Sodium chloride
    (B)   Tetra chloraluminate
    (C)   Sodium bicarbonate
    (D)   Sodium glutamate

17   Average temperature of electrolyte in sodium nickel chloride batteries
    (A)   100 to 200 degree Celsius
    (B)   270 to 350 degree Celsius
    (C)   380 to 410 degree Celsius
    (D)   None of the above

18   Average lifespan of sodium nickel chloride batteries
    (A)   5 years
    (B)   10 years
    (C)   15 years
    (D)   20 years

19   Sodium nickel chloride batteries are also called as
    (A)   Horse
    (B)   Zebra
    (C)   Cobra
    (D)   Turbo

20   What are the various types of batteries used in electric vehicles
    (A)   Lithium ion batteries
    (B)   Sodium nickel chloride batteries
    (C)   Sodium sulphur batteries
    (D)   All of the above

21   Sodium sulphur battery is a type of molten-salt battery constructed from _____ sodium and sulphur.
    (A)   Solid
    (B)   Liquid
    (C)   Plasma
    (D)   Gases

22   The following is the operating temperatures of the sodium –sulphur battery.
    (A)   400 to 600°C
    (B)   1000 to 1500°C
    (C)   300 to 350°C
    (D)   100 to 200°C

23   The cell is usually ____ in shape.
    (A)   Triangular
    (B)   Circular
    (C)   Rectangular
    (D)   Cylindrical

24   Entire cell is enclosed by a steel casing that is protected usually by _____ and _____.
    (A)   Nickel, chromium
    (B)   Chromium, molybdenum
    (C)   Aluminium, molybdenum
    (D)   Nickel, aluminium

25   Full form of BASE is _____.
    (A)   Basic Analysis and Security Engine.
    (B)   Biefield Academic Search Engine.
    (C)   Basel Agency for Sustainable Energy.
    (D)   Beta-Aluminium Solid Electrolyte.

26   The sulphur in sulphur sodium battery is absorbed by___ sponge.
    (A)   Sodium
    (B)   Carbon
    (C)   Wire
    (D)   Cellulose

27   Which of the following is not the name of charging station?
    (A)   Electric vehicle charging station
    (B)   EVSE
    (C)   ECS
    (D)   ESSV

28   The charging time depends on which of the following factor?
    (A)   Battery size
    (B)   Battery capacity
    (C)   Size of vehicle
    (D)   Voltage of battery

29   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

30   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

31   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

32   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

33   Battery container should be acid resistance therefore it is made up of
    (A)   Glass
    (B)   Plastic
    (C)   Wood
    (D)   All of the above

34   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

35   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

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

37   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

38   The positive plates of nickel iron cell is made up of
    (A)   Nickel hydroxide
    (B)   Lead peroxide
    (C)   Ferrous hydroxide
    (D)   Potassium hydroxide

39   In lead acid accumulators, the container is filled with distilled water and concentrated sulphuric acid in the ratio of
    (A)   1:02
    (B)   2:01
    (C)   3:01
    (D)   1:03

40   The EMF of the dry cell is about
    (A)   0 V
    (B)   0.5 V
    (C)   1 V
    (D)   1.5 V

41   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 and electrons from positive terminal to negative terminal
    (C)   Negative terminal to positive terminal and electrons from negative terminal to positive terminal
    (D)   Negative terminal to positive terminal and electrons from positive terminal to negative terminal

42   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

43   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

44   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

45   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

46   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

47   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

48   What is one of the primary downsides of fuel cells?
    (A)   Weight
    (B)   Cost
    (C)   Pollution
    (D)   Maintenance

49   A fuel cells converts ………energy into electrical energy
    (A)   Mechanical
    (B)   Magnetic
    (C)   Solar
    (D)   Chemical

50   Which of the following primary cells has the highest voltage?
    (A)   Manganese-alkaline
    (B)   Carbon-zinc
    (C)   Lithium
    (D)   Mercury

51   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 sculpture dioxides.
    (C)   They don’t cost enough.

52   Identify incorrect statement of Electric vehicle
    (A)   Insufficient charging stations
    (B)   Long charging period
    (C)   Limited range
    (D)   High operating cost

53   Which vehicle has the smallest number of principle components?
    (A)   Traditional vehicle
    (B)   Hybrid vehicle
    (C)   Electric vehicle
    (D)   Both A and B

54   Which of the following vehicles produces zero emissions?
    (A)   Traditional
    (B)   Hybrid
    (C)   Electric
    (D)   Both A and B

55   How long does an electric car battery last per charge?
    (A)   20 min.-10hr.
    (B)   30min.-12hr.
    (C)   40min.-9hr.
    (D)   60min.-8hr.

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

57   Which electric vehicle has 30 kWh and 160 km range?
    (A)   Nissan leaf
    (B)   Ford focus
    (C)   Mitsubishi MiE5
    (D)   Smart ED

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

59   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.

60   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

61   The positive plants of nickel iron cell is made up of
    (A)   Nickel hydroxide
    (B)   Lead peroxide
    (C)   Ferrous hydroxide
    (D)   Potassium hydroxide

62   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

63   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

64   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

65   The residual product discharged by the hydrogen-oxygen cell is ____________
    (A)   Hydrogen peroxide
    (B)   Alcohol
    (C)   Water
    (D)   Potassium permanganate

66   Who is the largest manufacturer of lithium batteries?
    (A)   Us giga factory
    (B)   Samsung solco
    (C)   Panasonic
    (D)   Toshiba

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