Elevator Rescue (ch4.)

Question 1

There are numerous ( over ___) elevator manufacturers

Answer 1

60

Question 2

Currently there are two types of elevators:

Answer 2

Cable operated(electric elevator)
Hydraulic operated

Question 3

Two types of cable elevator

Answer 3

Drum type and traction type

Question 4

Limitations in the length and diameter of the winding drum restricts this type of elevator to ____ foot lifts and slow speeds

Answer 4

150ft

Question 5

Similar in general design to the cable elevator, hydraulic elevators use hydraulic power instead of cables and traction sheaves and are generally limited to ____story buildings

Answer 5

Six

Question 6

The equipment rooms for hydraulic elevators are normally located at the lower level of a building, but can be at any floor level or ___ to ____feet away from the elevator shaft

Answer 6

50 to 100ft

Question 7

Larger than passenger elevators, freight elevators can be as large as ___feet by ____feet and have a carrying capacity of up to ___ tons.

Answer 7

12x14 ; 3 tons

Question 8

4 basic types of doors used on elevator

Answer 8

Swing hall
Single slide
Center opening
Two speed

Question 9

Gib blocks are approximately ___ “ wide ___ “ high, ___ “ thick
And are installed every ___ in

Answer 9

3 in wide
1in high
1/2 in thick
18 spacing

Question 10

Normal hoistway doorscan be expected to utilize ___ gib blocks

Answer 10

2

Question 11

A centrifugal force governor is provided on most elevators to guard against overspeeding (when a car travels in excess of _____% of top speed, the governor will activate a safety stop device

Answer 11

20%

Question 12

Elevator rescue procedures include ; x4

Answer 12

Moving elevator
Adjacent car rescue
Forcing door
Breaching elevator shafts

Question 13

turn the power off for at least ____seconds and then back on again. This can reactivate the elevator by allowing relays to reset (at least ____seconds is necessary to clear any previous programming in the elevator computer)

Answer 13

30

Question 14

On hydraulic elevators and some cable elevators, the hoistway doors will open if the
elevator is either ____inches above or below the floor level.
On cable some elevators, the hoistway doors will open if the elevator is either _____in above or below the floor level.

Answer 14

6in = hydraulic
18in = cable

Question 15

There are generally ___ valves on hydraulic power unit.

Lowering screw are marked ____, ____, or _____

Answer 15

3 valves

ML, MAN, MANUAL

Question 16

Hydraulic elevator

When the car is level or within ____inches of the floor landing, discontinue bleeding the
hydraulic fluid by rotating the valve clockwise until the valve is seated.

Answer 16

6in

Question 17

Cable elevators;
2 members to equipment room should have ____ and a ____ (or____)

Answer 17

2 claw tools and pipe wrench (or large channel locks)

Question 18

Side emergency exits are at least ____ in wide and ___ ft height

Answer 18

16in wide and … 5 Ft high

Question 19

Elevators
of more sophisticated design have access panels from blind floors. These panels may be
every three floors or ____feet apart.

Answer 19

80ft

Question 20

Blind Section The part of an elevator shaft that for ____or more consecutive floors has no hoistway doors to access the floors.

Answer 20

3

Question 21

Speed govenorenter is a mechanical or hydraulic device

Answer 21

Mechanical

Question 22

Elevators =

Answer 22

90- 120ft per min