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Stepper Motors – 1 – 1

1. A stepping motor is a ……………… device.

(a) mechanical
(b) electrical
(c) analogue
(d) incremental

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

2. Operation of stepping motors at high speeds is referred to as :

(a) fast forward
(b) slewing
(c) inching
(d) jogging

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

3. 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

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

4. A stepper motor may be considered as a ……………… converter.

(a) dc to dc
(b) ac to ac
(c) dc to ac
(d) digital-to-analogue

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

5. The rotor of a stepper motor has no :

(a) windings
(b) commutator
(c) brushes
(d) all of the above

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

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