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WorksheetsStepper and Servo Motor
Total questions: 15
Worksheet time: 8mins
How does a Stepper Motor move ?
A. Electrical Pulse
B. Continuous Applied Voltage
C. Alternates from A and B
Which of the following is not a type of stepper motor?
A. Variable Reluctance
B. Hybrid
C. Permanent Magnet
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
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°
A variable reluctance stepper motor is constructed of .................. material with salient poles.
(a) paramagnetic
(b) ferromagnetic
(c) diamagnetic
(d) non-magnetic
The rotational speed of a given stepper motor is determined solely by the
(a) shaft load
(b) step pulse frequency
(c) polarity of stator current
(d) magnitude of stator current.
Which of the following phase switching sequence represents half-step operation of a VR stepper motor ?
(a) A, B, C, A .......................
(b) A, C, B, A .......................
(c) AB, BC, CA, AB .......................
(d) A, AB, B, BC .......................
A servo motor is not rotary actuator
True
False
Servo Motor can be used with robotic arm applications?
True
False
A potentiometer can control
DC Motors
Servo Motors
Option A and B
None of the above
Which one of the following is not correct?
Servo motors may have ranges or angular position 180 degree
Servo motors may have ranges or angular position 270 degree
Servo motors can be of continuous rotation type.
Servo motors must be a DC motor.
SERVO MOTOR USES ------LOOP SYSTEM
OPEN
CLOSED
Encoder is essential in stepper motor. State true or False
True
False
Servo motor is called as
AC motor
DC motor
Control motor
step motor
