Elevators

Question 1

An architect is selcting an elevator for a three story residential build

Which one of the following systems should the architect select?
a. geared traction elevator
b. gearless traction elevator
c. holeless hydraulic elevator
d. conventional hydraulic elevator

Answer 1

C. Holeless hydraulic elevator

no hole beyond the the needed pit
Care buffer if used

Question 2

Which is more economic type of elevator hydraulic or electric

Answer 2

Hydraulic

Question 3

Which elevator type provides speed and larger span of floor?

Answer 3

Electrci elevators can get from floor to floor quicker and span larger building

Question 4

What has a lower maintance but higher initial cost and high install cost

Answer 4

Electrical Elevators

Question 5

Electric Elevator

What are the different types of Electric elevators

Answer 5

Gearless traction elevators
Geared traction elevators
Machine roomless elevators

Question 6

Electric Elevator

What are the components of an electric elevator?

Answer 6

• Penthouse required - holds the hoisting machineary, idele sheve, motor generator
• Top floor needs 16’-20’ of space for mechanic
• **Elevator Pit **- extends from lowest level to host a buffer piston/sping to absorb imact of care

Question 7

Hydraulic Elevator

What are the components of a hydraulic elevator

Answer 7

• Guide rail
• Hydraulic piston - drive the eleveator at a low speed due to its presure component
  elevator pit - hosts a car stoper/buffer
• Piston cylinder beyond the pit (if it is not holess)
• Machine room hosts the machinary

Question 8

Hydrailic Elevator

Pro’s of hydraulic elevator

Answer 8

• cheaper initial install and mainain
• can lift heavy loads
• no need for machine room or penthouse
  *

Question 9

Hydraulic elevator

What are the cons of a hydraulic elevator?

Answer 9

High maintanece
Noise mump of hydraulix
limited to low and midrise building