____ 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
Trades & Technology
You might also like to view...
Straight and swivel are the two types of _____.
a. cable grips b. clevises c. conduit pistons d. fish lines
Trades & Technology
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?
Trades & Technology
When one measures electromotive force the unit is:
A) Watts B) Amperes C) Joules D) Volts
Trades & Technology
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
Trades & Technology