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WorksheetsE-Baja SAE Team Selection Quiz
Total questions: 30
Worksheet time: 14mins
What is the function of a Battery Management System (BMS)?
Increase battery weight
Control vehicle speed
Monitor and protect the battery
Control suspension movement
Define torque in simple terms.
Force in straight line
Rotational force
Electric charge
Braking resistance
What does a motor controller do in an electric vehicle?
Stores energy
Converts fuel
Regulates power to the motor
Powers headlights
Name one common type of battery used in EVs.
Nickel Cadmium
Lithium-Ion
Lead-Acid
Alkaline
What is regenerative braking?
Charging battery using brakes
Braking using gears
Cooling brakes faster
Increasing acceleration
Which welding method is best for chassis fabrication?
TIG welding
Arc welding
Spot welding
Plastic welding
What is the difference between AC and DC motors?
AC is heavier
DC is battery operated
AC needs no current
DC has higher voltage
What is the main purpose of a suspension system?
Provide braking force
Carry battery
Absorb shocks
Increase top speed
How does increasing voltage affect motor performance?
Reduces torque
Increases speed
Reduces speed
Decreases battery life
What is a differential and why is it important?
Increases motor RPM
Balances wheel speeds
Charges battery
Reduces vehicle weight
What is Ohm’s Law?
V = I/R
V = IR
V = R/I
V = I²R
What is the role of an inverter in an electric vehicle?
Increase torque
Convert AC to DC
Convert DC to AC
Store energy
Name a CAD software used for vehicle design.
MS Paint
MATLAB
SolidWorks
WordPad
What are the three main loads acting on a chassis?
Bending, Torsion, Shear
Voltage, Current, Power
Air, Water, Dust
Compression, Heat, Electric
What is unsprung mass?
Mass above the suspension
Mass below the suspension
Mass of battery only
Mass of driver
What is thermal runaway in batteries?
Cooling failure
Uncontrolled battery heating
Mechanical breakdown
Sudden battery freezing
What are the units of power?
Joules
Newtons
Watts
Amperes
What is Ackermann steering geometry?
Gearbox design
Motor cooling
Proper steering angles during turns
Battery charging method
Define rolling resistance.
Friction at steering
Air drag force
Resistance between tire and ground
Brake heating
What is creep torque in electric motors?
Torque at top speed
Torque during rapid braking
Small torque when stationary
Torque for reverse
Name a standard material used for roll cages.
PVC
Mild steel
Rubber
Plastic
What is the full form of SOC in EVs?
State of Coolant
Speed of Control
State of Charge
Speed of Current
Why are lithium-ion batteries preferred over lead-acid?
Cheaper
More weight
Higher energy density
Less efficiency
What is the typical voltage of an E-Baja battery pack?
48V
12V
220V
5V
Define mechanical advantage in simple words.
Use more force
Reduce distance moved
Multiply force
Increase speed
What is gear reduction and why is it used?
To increase torque
To reduce load
To increase battery capacity
To control temperature
What is meant by ground clearance?
Distance from seat to ground
Distance from chassis to ground
Tire diameter
Suspension length
What is dynamic braking?
Braking using motor resistance
Hydraulic braking
Handbrake system
Using air brakes
What is a fuse and why is it important?
Speed controller
Protects against overcurrent
Battery charger
Voltage booster
What factors affect vehicle range the most?
Suspension design
Battery capacity and motor efficiency
Paint color
Chassis welding method
