EV 4

The figure shown below indicates which of the following HEV configuration?

• Series Parallel

• Series

• Parallel

• Complex

The block diagram below represents which of the following modes of series HEV configuration

• Normal Driving mode

• Light Load mode

• Braking/Deceleration mode

• Stop mode

The EV drivetrain shown in the figure represents what type of configuration

• Alternatives based on Drivetrain configuration

• Alternatives based on Power source configuration

• Alternatives based on Power source and drive train configuration both

• Independent of power source.

Calculate hybridness of a light delivery van with the propulsion: Diesel engine: 110 kW, Electric motor: 23 kW

• 82%

• 17%

• 21%

• 47%

Enhancing the _______ of the flywheel is the key method of increasing its energy capacity and reducing its weight and volume

• angular velocity

• power density

• characteristic

• current

The region for a full hybrid is at ______________

• H=25%

• H=50%

• H=0%

• H=100%

For series HEV the relation between acceleration power requirement Pa grade-climbing power requirement Pg is

• Pa > Pg

• Pa < Pg

• Pa = Pg

• Not related

Aerodynamic drag energy is directly proportional to

• Velocity^3

• Velocity

• constant

Rolling resistance force is given by relation

• F_RR = μ_rr m g sin θ

• F_RR = μ_rr m g cos θ

• F_RR = μ_rr m g tan θ

• F_RR = μ_rr m g

The rolling resistance of tires on hard surfaces is due to __________ in the tire material

• Hysterisis

• Breakdown

• elasticity

• flexibility