____ are energy-absorbing units located at the bottom of the hoistway that absorb any impact from a car that descends below the normal lowest level.

A. Hoists
B. Ropes
C. Buffers
D. Cushions


Answer: C

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a. cable grips b. clevises c. conduit pistons d. fish lines

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Assume that an additional inductance can be inserted in series with the load. Also assume that the converter has no freewheeling diodes. Calculate the added inductance that leads to a conduction period of 180o when ? = 30o .

What will be an ideal response?

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When one measures electromotive force the unit is:

A) Watts B) Amperes C) Joules D) Volts

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A lamp that produces light as a result of an electric current passing through a gas is using ____.

A. high-intensity discharge lighting B. resistive lighting C. incandescent lighting D. fluorescent lighting

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