Motor Starters Quiz

What type of protection does a Motor Starter provide according to the text?

• Overload and No-volt protection

• Fire protection

• Waterproof protection

• Thermal protection

For a Star/Delta Starter how many terminals does the motor have to allow its windings to be connected to the starter?

• 4

• 5

• 6

• 7

What is reduced until it no longer adds to rotor resistance in a Rotor Resistance Starter?

• Motor speed

• External resistances

• Internal resistances

• Load on the motor

What type of connection is shown in the diagram of a Rotor Resistance Starter?

• Star connection

• Delta connection

• Series connection

• Parallel connection

What is the role of slip rings in a rotor resistance starter?

• To increase voltage

• To connect poles to external resistors

• To decrease current

• To provide insulation

Which of the following is NOT a function of a soft starter?

• Control voltage

• Control current

• Control torque

• Control temperature

What is one of the main features of starters mentioned in the text?

• They are non-programmable

• They provide precise speed control

• They control voltage

• They are used for lighting

What does a soft start control?

• Frequency

• Voltage

• Current

• Power

Which of the following is NOT mentioned as a feature of VFDs in the text?

• Fully programmable

• Precise speed control

• Controls voltage

• Selected based on motor size

What does a thyristor regulate in a motor drive circuit?

• DC supply current

• AC supply current

• Frequency

• Resistance