Mechanical & Conveying Systems

Question 1

Elevator Control Systems

Single Automatic Pushbutton

Answer 1

Handles one call at a time, providing uninterrupted trip for each call (i.e. single family residential)

Question 2

Elevator Control Systems

Collective

Question 3

Elevator Control Systems

Selective Collective

Answer 3

Stores all calls until they are answered and automaticcal reverses the direction of travel at the highest and lowest calls
* Most Common Control Type
* Apartment Builds, Department Stores, University bldgs, etc.

Question 4

Elevator Control Systems

Destination Dispatch

Answer 4

Optimization technique used for mult-elevator installations in which groups of passengers head to the same destinations using the same elevators, thereby reducing wait and travel times
* Useful in highrise buildings