USN
DAYANANDA SAGAR COLLEGE OF ENGINEERING
(An Autonomous Institute Affiliated to VTU, Belagavi)
Shavige Malleshwara Hills, Kumaraswamy Layout, Bengaluru-560078
UG Semester End Examination, February/March 2022
Course:
Course Code:
Semester:
Note:
HYBRID & ELECTRIC VEHICLE TECHNOLOGY
19ME5DEHEV
Maximum marks: 100
Duration: 03 hours
V
i). Question ONE (a to t) has to be answered from pages 5 to 7 only, also candidate
must write the answer along with the option.
ii). Question 1 to 4 is compulsory. iii). Any missing data should be suitably assumed
Q. No.
Marks
1a) Power shared between IC engine and battery
i) Mild HEV, ii) Full HEV, iii) PHEV, iv) Medium HEV.
b) Electric Variable transmission device
i) Mild HEV, ii) Full HEV, iii) PHEV, iv) Medium HEV.
c) Lowest degree of hybridisation can be found in _________
i) Full Hybrid, ii) Mild Hybrid, iii) Micro Hybrid, iv) Split Hybrid
d) In Front hybrid rear electric complex HEV, whole system is active
i) Starting mode, ii) Normal driving, iii) Acceleration mode, iv) Deceleration mode
e) The consideration involved in the selection of the type of electric drive for a particular
application depends upon i) Speed control range and its nature, ii) Starting Nature,
iii) Environmental condition, iv) All
f) The following motor is preferred for automatic drives
i)Ward Leonard controlled dc motors, ii) Squirrel cage induction motor, iii) Synchronous
motors, iv) Shunt Motor.
g) The consideration involved in the selection of the type of electric drive for the Load
Variation application depends upon
i) Constant Load, ii) Continuous Variable Load, iii) Pulsating Load, iv) All
h) __________ is also called as Line shaft drive.
i) Individual drive, ii) Multi-motor drive, iii) Group Drive, iv) None
i) Polarization heat is caused by
i) Ohmic polarization, ii) Activation polarization, iii) Concentration polarization, iv)All
j) The capacity of a battery is expressed in terms of
i) Current rating, ii) Voltage rating, iii) Ampere hour rating, iv) None
k) When two batteries are connected in parallel, it should be ensured that
i) They have same emf, ii) They have same make, iii) They have same ampere-hour
capacity, iv) They have identical internal resistance
l) In order to increase ampere-hour of a battery, cells are to be connected in
i) Series, ii) Parallel, iii) Series-parallel, iv) Star.
m) The purpose of nonflammable electrolyte in a modern batteries
i) High chemical activity, ii) Enhancing the thermal stability,
iii) Increase thermal conductivity, iv) Increase the battery charge capacity
n) The mechanochemical process of battery recycling enables recovering
i) Lithium and Cobalt, ii) Lithium and Nickel, iii) Lithium and Magnesium,
iv) Only lithium
o) Bioleaching uses
i) Chemolitotrophic bacteria, ii) Acidophilic bacteria, iii) Acidithiobacillus, iv) All
p) The purpose of nonflammable electrolyte in a modern batteries is
i) High chemical activity, ii) Enhancing the thermal stability, iii) Increase thermal
conductivity, iv) Increase the battery charge capacity
q) Standards for charging infrastructure for EV
i) Users to charge their electric vehicles in their respective offices and homes,
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ii) Public charging stations and individual owners, iii) Technology agnostic, iv) All
World EV Day is recognized on i) August 18, ii) September 9, iii) May 20, iv) December 15.
With DC fast charging for 1 hour the EV’s
i) Range extended by 50km, ii) Range extended by 100km, iii) Only charging battery,
iv) No range extension possible
During overcharge test of batteries, the charge requirement is
i) 100%, ii) 80%, iii) 50%, iv) No charge required
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b)
Discuss social and environmental impact like, of Conventional vehicle and how to
reduce its effect by switching to Hybrid vehicles or Electric Vehicles.
Classify different the Hybrid Electric Vehicles based on degree of hybridization
c)
Describe the 4 modes of Power Flow Control in Series hybrid configuration
04
a)
With a neat schematic representation, explain switch reluctance motor field oriented
control (FOC) drive for Electric Vehicles
With a neat schematic representation, explain DC motor drives and speed control for
Electric Vehicles
08
Illustrate the battery monitoring system and the need of battery monitoring system
in modern batteries
Describe the different methods used for the SOC Estimation. Mention the best
method used for SOC Estimation justify your selection.
08
With a neat schematic representation, explain the origin of heat generations in
battery.
With a neat schematic representation, explain in detail the recycling processes of
rechargeable batteries used in HEV’s.
OR
With a neat pictorial representation, explain the different stages of thermal runaway
process in case of HEV batteries.
Discuss in detail, the various environment and human health impact assessments of
batteries.
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a)
Discuss the Hybrid Electric Vehicle Tests for M and N category Vehicles.
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b)
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a)
Discuss the various Guidelines and standards for charging infrastructure for electric
vehicles.
OR
Describe the Location planning and land allocation for Charging Station.
b)
Discuss the Cost estimates for a typical public charging station operation.
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c)
Describe the Public charging infrastructure minimum requirements.
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d)
Explain the test for electric vehicle conductive AC charging system.
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