Unit 6

Question 1

What pit depth requires an additional stop switch when the Pit is accessed from the lowest landing hall door, as per the ASME A17.1/CSA B44 code?

Answer 1

1700mm (67in)

Question 2

When are drains or sump pumps required in elevator pits, as per the ASME A17.1/CSA B44 code?

Answer 2

Elevator is provided with fire fighters emergency operation

Question 3

What term is used to describe the maximum amount of travel of a buffer?

Answer 3

Stroke

Question 4

Where should the plumb line be suspended from when plumbing a hydraulic jack?

Answer 4

Top of hoistway

Question 5

What is the minimum distance from the centre line of pit ladder rungs to any permanent object behind the ladder, as per the ASME A17.1/CSA B44 code?

Answer 5

115mm (4.5inch)

Question 6

What is required on a pit access door when any mechanical or structural part installed beneath the car platform projects below the top of the access door at the lowest landing?

Answer 6

An electric contact that prevents elevator operation and a vision panel

Question 7

How is a hydraulic piston attached to a car sling?

Answer 7

Platen plate

Question 8

What is the recommended procedure to dress a piston should it become nicked or scratched?

Answer 8

Polish with 320 grit or finer sandpaper

Question 9

Which tool would provide the best method to plump a cylinder?

Answer 9

Spider bob

Question 10

When can reduce stroke buffers be used on high rise elevators as per the ASME A17.1/CSA B44 code?

Answer 10

Emergency terminal speed-limiting devices are installed