STEPPER MOTORS QUIZ-UNIT-1

How does a Stepper Motor move ?

• A. Electrical Pulse

• B. Continuous Applied Voltage

• C. Alternates from A and B

A pulse can be produce by which means ?

• A. Microprocessor

• B. Timing Logic

• C. Toggle Switch

• D. All of the above

Which of the following is not a type of stepper motor?

• A. Variable Reluctance

• B. Hybrid

• C. Magnetic

• D. Lead-Screw

Which of the following is not a component of a stepper motor?

• A. Windings

• B. Rotor and Stator

• C. Commutator

• D. Brush

• E. Both C and D

What is the difference between full-step and half-step?

• A. In full-step two phases are on and in half-step only one phase is on.

• B. More resonance is evident in half-step

• C. More power required for full-step

• D. Half-step offers better resolution

What criteria’s are necessary to consider when selecting a stepper motor?

• A. Mechanical Motion.

• B. Inertial Load

• C. Speed Requirements

• D. All of the above

Which of the following is NOT an advantage of stepper motors?

• A. Cost-efficient

• B. Maintenance-free

• C. No feedback

• D. More complex circuitry

With a stator having 8 teeth and a rotor having 6 teeth, what step angle will an application be able to achieve?

• A. 15°

• B. 51°

• C. 20°

• D. 105°

If an application using a stepper motor required feedback, which device would be needed to accomplish this?

• A. Counter

• B. Encoder

• C. Linear Guide

• D. Commutator

A variable reluctance stepper motor is constructed of ______________ material with salient poles.

• a) Paramagnetic

• b) Ferromagnetic

• c) Diamagnetic

• d) Non-magnetic