Induction Motor Quiz

What is the main advantage of an induction motor?

• High starting torque

• Simple and rugged construction

• Requires frequent maintenance

• High cost

What type of rotor is used in a squirrel cage induction motor?

• Permanent magnet rotor

• Slip ring rotor

• Squirrel cage rotor

• Phase wound rotor

Which of the following is a disadvantage of induction motors?

• Constant speed motor

• High efficiency

• Simple construction

• Self starting

What is the primary function of the stator in an induction motor?

• To support the rotor

• To generate torque

• To provide a magnetic field

• To rotate

Which rotor type allows for the addition of external resistance?

• Phase wound rotor

• Induction rotor

• Squirrel cage rotor

• Permanent magnet rotor

What is the construction material of the stator?

• Aluminum

• Plastic

• High-grade alloy steel

• Copper

Which application is suitable for a squirrel cage induction motor?

• Conveyors

• Cranes

• Fans

• Elevators

What is the main purpose of slip rings in a phase wound rotor?

• To provide a means of connecting external resistors

• To support the rotor

• To increase efficiency

• To reduce maintenance

Which of the following is true about the squirrel cage rotor?

• It requires external resistors

• It is widely used due to its simplicity

• It has high rotor copper losses

• It has a complicated construction

What is the primary function of the rotor in an induction motor?

• To generate the magnetic field

• To convert electrical energy into mechanical energy

• To support the stator

• To provide insulation