SSD UNIT 5 QUIZ

What is the primary source of power for electric vehicles?

• Gasoline

• Diesel

• Electricity

• Natural gas

In a conventional DC traction drive, what is typically used as a speed control method?

• Stator voltage control

• Rotor voltage control

• Field current control

• Frequency control

What type of motor is commonly used in polyphase AC traction drives?

• Induction motor

• DC motor

• Synchronous motor

• Stepper motor

What is the role of a solar-powered pump drive in the context of energy efficiency?

• Energy generation

• Energy storage

• Energy conversion

• Energy dissipation

In the context of electric vehicles, what does regenerative braking refer to?

• Charging the battery during braking

• Converting electrical energy to mechanical energy

• Recovering energy during braking and storing it

• Discharging the battery during braking

What is the main purpose of a solar-powered pump drive?

• Generating electricity

• Pumping water

• Heating homes

• Driving vehicles

In polyphase AC motors, how many phases are typically used?

• 1

• 2

• 3

• 4

In a solar-powered induction motor drive, which component is responsible for converting solar energy into electrical energy?

• Inverter

• Photovoltaic (PV) panels

• Battery

• Controller

Solar-powered pump drives often use which type of motor for efficient energy conversion?

• DC motor

• AC motor

• BLDC motor

• Universal motor

Which of the following is a key advantage of AC Traction Drives over DC Traction Drives in certain applications?

• Higher efficiency

• Simplicity of control

• Lower maintenance

• Higher torque at low speeds