CH 7 Elevators Flashcards
As part of an elevator safety system, a buffer functions to:
C. Absorb the shock of a defending car
Which type of elevator is generally assigned to one of three classes based on the load it can carry and is not designed for multi-passenger use?
D. Freight
which type of elevator typically is used in buildings with more then 24 stops and is high-performance, traveling at speeds up to 1800 fpm?
B. Gearless
Which type of AC drive elevator motor provides the most accurate leveling?
C. Variable speed
The elevator fixture that provides a central control point where authorized personnel can view the status of the elevator system and manually select the recall function of the elevator car is the:
A. Lobby panel
Buildings with more than seven elevator stops are serviced by:
B. Traction elevators
The ________ of an elevator system is measured by the total number of passengers transported by a group of elevators during the 5-minute peak period.
D. Handling Capacity
Which of the following is also known as a high-rise system?
C. Gearless traction elevator system
Which of the following is not a component of elevator safety systems?
B. The wedge rope
Complete, drive nut, truss and stop chain are components of:
A. Escalators