Unit 10

Question 1

What type of conduit should you use to pipe an isolated car?

Answer 1

Flexible conduit

Question 2

How may jute core travelling cables be suspended on a low rise elevator not in excess of 100 feet?

Answer 2

On spools

Question 3

How would the number (#1) travelling cable be identified when there are several hanging in a hoistway?

Answer 3

Nearest to rail

Question 4

What is the ratio between travelling cables diameter and the size of the loop?

Answer 4

30 times

Question 5

What is the minimum engagement for a hall door gib to the corresponding sill as per ASME A17.1/CSA B44 code?

Answer 5

6mm or 1/4 inch

Question 6

What do multi speed car doors require to keep them simultaneous working in unison?

Answer 6

Relating device

Question 7

What is the maximum passenger elevator door closing force between 1/3 and 2/3 of its travel as per ASME A17.1/CSA B44 code?

Answer 7

135 N or 30ft lbs

Question 8

What would be used to suspend travelling cables for lengths greater than 200ft?

Answer 8

Steel centre cores

Question 9

What can be used to protect travelling cables from damage when contact is made between a cable and a protruding beam?

Answer 9

Bean pads, metal guards, hoistway screening

Question 10

What is the maximum allowable distance the car door is permitted to travel in the open direction when the elevator is outside the unlocking zone as per ASME A17.1/CSA B44 code?

Answer 10

100mm or 4 inches