Engineering Quiz on Motors and Energy

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

• Hysterisis

• Breakdown

• elasticity

• flexibility

The Field Oriented Control (FOC) enables the induction machine being controlled alike the

• separately excited DC Machine

• Permanent magnet DC machine

• Switched reluctance machine

• Stepper motor

Energy Storage allocation on an EV, is the first consideration since it limits the vehicle range.

• specific energy

• specific power

• specific power and specific energy

• none of these

Which motor is suitable for high starting torque

• DC Series motor

• DC shunt Motor

• DC separately Excited Motor

• Synchronous Motor

Fuel Cell use combination of

• Zinc Sulphur

• Sulphur oxygen

• Hydrogen Oxygen

• Sodium Sulphur

Flywheel stores energy in...

• Chemical form

• Electrical form

• Mechanical form

• Static form

High specific energy, high specific power, long cycle life, high-energy efficiency, quick recharge, maintenance free characteristics, cost effectiveness, and environmental friendliness are the features of_

• ultracapacitor

• battery

• fuel cell

• flywheel

Battery that cannot be charged again is called

• Primary Battery

• Secondary Battery

• Nor Primary Neither secondary

• Both primary and Secondary

A battery labeled 200 Ah at C5 rate has a 200 amp-hour capacity at 5 hours discharge rate the discharging current will be .

• 25 Amps

• 22.5 Amps

• 27.5 Amps

• 40 Amps

In Optimal control strategies, the main goal is to while respecting the system constraints and specifications.

• minimize the fuel cost

• minimize the emissions

• minimize fuel cost and emissions

• improve the vehicle performance