Induction Motor Quiz

What is the primary method used to start a single-phase induction motor?

• Using a mechanical starter

• Converting it into a two-phase motor

• Using a capacitor

• Utilizing a shading coil

Which type of motor is also known as a resistance-start motor?

• Capacitor-start motor

• Split-phase motor

• Permanent-split capacitor motor

• Shaded-pole motor

What is the approximate starting torque of a resistance-start induction motor compared to its full-load torque?

• 0.5 times

• 1.5 times

• 2.5 times

• 3.5 times

What is the primary advantage of using a capacitor in a capacitor-start motor?

• It reduces the starting current.

• It increases the starting torque.

• It improves the motor's efficiency.

• It makes the motor more compact.

What type of capacitor is typically used in a capacitor-start motor?

• Paper capacitor

• Ceramic capacitor

• Electrolytic capacitor

• Film capacitor

Which type of motor uses two capacitors, one for starting and one for running?

• Split-phase motor

• Capacitor-start motor

• Two-value capacitor motor

• Permanent-split capacitor motor

What is the main advantage of a permanent-split capacitor motor?

• Higher starting torque

• Lower starting current

• Improved efficiency

• Reduced size

What is a major limitation of a permanent-split capacitor motor?

• It requires frequent maintenance.

• It is very noisy in operation.

• It has a low starting torque.

• It is only suitable for light loads.

What is the primary function of the shading coil in a shaded-pole motor?

• To provide starting torque

• To improve the motor's efficiency

• To reduce the motor's size

• To increase the motor's speed

Which type of motor is best suited for applications requiring low starting torque?

• Split-phase motor

• Capacitor-start motor

• Permanent-split capacitor motor

• Shaded-pole motor