The purpose of a seat belt pretensioner is ________
A) To force the occupant into position against the seat back
B) To remove slack from the safety belt
C) Both A and B
D) Neither A nor B
C
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Identify the axiom or postulate that applies to the following statement. If z- 10AB = 15, and 3y + CD = 15, then z- 10AB = 3y + CD
Fill in the blank(s) with the appropriate word(s).
What is meant by purging an air conditioning system?
What will be an ideal response?
The circuit in Fig. 2.134 is to control the speed of a motor such that the motor draws currents 5 A, 3 A, and 1 A when the switch is at high, medium, and low positions, respectively. The motor can be modeled as a load resistance of 20 m?. Determine the series dropping resistances R?, R?, and R?.
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Compared to PSC motors, brushless DC motors:
A) More efficient, but not well suited for variable-speed applications. B) Inexpensive, but also less efficient. C) More efficient and better suited for variable-speed applications. D) Are less efficient, but well suited for variable-speed applications.