Ch. 44 - Vertical Transportation

Question 1

What are the two major types of elevators?

Answer 1

Hydraulic and Electric

Question 2

T/F Hydraulic Elevators are used in buildings 2- 6 stories high.

Answer 2

True.

Question 3

What are the two types of electric elevators? Which one is used on slower speeds and which type on higher speeds?

Answer 3

Gearless Traction- high-speed elevators

Geared Traction- slow-speed

Question 4

What is roping?

Answer 4

The arrangement of cables supporting the elevator.

Question 5

What is the most common operation type for elevators?

Answer 5

Selective Collection Operation- the elevator remembers and answers all calls in one direction and then reverses and answers all calls in the opposite direction.

Question 6

What type of elevator operation system is used for large buildings with many elevators?

Answer 6

Group Automatic Operation- controls the elevators with programmable microprocessors to respond to calls in the most efficient way.

Question 7

What is the minimum clear door opening width of an elevator?

Answer 7

36”

Question 8

What is the maximum height for elevator control buttons?

Answer 8

54” for side approaches and 48” for front approaches