Types of Motors

What type of motor is known for its constant speed operation with the AC power supply frequency?

• Induction motor

• Synchronous motor

• Brushed motor

• Stepper motor

Which type of motor does not require any external excitation for its operation?

• Induction motor

• Synchronous motor

• Brushed motor

• Servo motor

In which type of motor does the rotor rotate at a speed slightly less than the synchronous speed?

• Induction motor

• Synchronous motor

• Brushed motor

• Stepper motor

Which motor type uses physical brushes to transfer electrical current to the rotor?

• Brushed motor

• Brushless motor

• Synchronous motor

• Servo motor

What is the main advantage of brushless motors over brushed motors?

• Higher efficiency and less maintenance

• Simplicity of construction

• Lower cost

• Better speed control

Which motor type is commonly used in applications requiring precise control of position and speed, such as robotics?

• Synchronous motor

• Induction motor

• Brushless motor

• Servo motor

Which motor type is suitable for applications requiring high torque at low speeds?

• Stepper motor

• Synchronous motor

• Brushed motor

• Induction motor

Which type of motor has a feedback mechanism to provide accurate position and speed control?

• Brushed motor

• Induction motor

• Servo motor

• Synchronous motor

In a brushless motor, what eliminates the need for physical brushes?

• Permanent magnets on the rotor

• Slip rings

• Commutator

• Stator winding

Which motor type is used in applications where precise angular movement is required, such as CNC machines?

• Induction motor

• Synchronous motor

• Stepper motor

• Brushless motor