Elevators

Question 1

Two types of elevators in service:

Answer 1

Electric or Traction &

Mechanical or Hydraulic

Question 2

Electric elevators are found in buildings of all heights and used exclusively______

Answer 2

Above 6 or 7 floors

Question 3

In electric elevators the machine room is usually located where?

Answer 3

Near the roof

Question 4

Hydraulic elevators are found in buildings not over ______ in height

Answer 4

6 or 7 floors

Question 5

If a hydraulic elevator stalls, it can be lowered by__________ in the same manner as an ordinary hydraulic jack.

Answer 5

Bypassing the hydraulic fluid

Question 6

When an electric elevator stalls, the ______ is automatically applied mechanically.

Answer 6

Machine brake

Question 7

A hydraulic elevator does not have ________

Answer 7

A brake

Question 8

Large elevators weigh?

Answer 8

Approx 5000 lbs

Question 9

Common causes of stalling are:

Answer 9

Electric power failure (Major Cause)

Fuse in the machine room (common)

Poor electrical contact on door closing device (common)

Question 10

Smaller cars weigh?

Answer 10

3500 lbs

Question 11

When supporting the car, never pry up or lift it. This could_______

Answer 11

Release safeties and let the car fall

Question 12

The preferred and safest method for evacuating passengers is to move the elevator car to ______

Answer 12

A landing level

Question 13

The mainline disconnect switch must be in the ____ position (closed) and if the car is equipped with emergency stop switch must be in the _____ position.

Answer 13

ON

RUN

Question 14

If elevator is equipped with firefighters service operation of ____ lobby key switch to recall the elevator car to main floor.

Answer 14

Phase I

Question 15

The key switch in the main lobby has on, off, & bypass position. The “on” position activates what?

Answer 15

The return of the elevators

Question 16

What is the bypass position used for?

Answer 16

To shunt out the sensing device circuit when heat or smoke initiated the return of the elevators.

Question 17

There is an identical three position key switch on or beside the operation panel inside each elevator that has a travel distance of ____ ft or more

Answer 17

70

Question 18

If an elevator car is located at or near a landing, it is possible that what?

Answer 18

The hoist way door is unlocked, and hoist way an car doors can be opened by hand.

Question 19

If opening door by hand;

Answer 19

Set mainline disconnect for stalled elevator to “off” position
Open the doors by hand
Enter elevator and set emergency stop switch

Question 20

Hoistway Door Keys

Answer 20

Lunar Key
T-Slot key
Drop Key

Question 21

Found on older Otis, Dover, Esco, Hunter-Hayes and Montgomery. 8-10 in thin shank conventional screwdriver can be substituted?

Answer 21

Lunar Key

Question 22

Tamper proof. Found on newer Otis, Dover, Hunter Hayes, and Montgomery. Turn away from door edge?

Answer 22

Drop Key

Question 23

Exclusive on Westinghouse. In older buildings the key slot is in the door jamb. Insert and push. New buildings the slot is in door. If slot in door use same procedure as Lunar Key. 8 to 10 in thin shanked conventional screwdriver can be substituted.

Answer 23

T-slot Key

Question 24

Main Line Disconnect is usually found where?

Answer 24

Entry of equipment room

Question 25

Distinguishing features of electric elevators are______ and _______

Answer 25

Hoist way cables | The machine room located near roof

Question 26

Hydraulic elevators do not have_____ an the machine room is usually found ______

Answer 26

Hoist way cables | Near the basement

Question 27

It may be possible to ________ of the stalled elevator car so that its doors can be opened by hand.

Answer 27

Engage the interlock roller

Question 28

If the elevator is more than _____ above or below the landing, it is not recommended to remove the passengers through the elevator door opening as distance creates danger.

Answer 28

3 ft

Question 29

Removal through top emergency a ladder of sufficient length to extend at least _____ feet above floor landing. Second ladder should be lowered with length extending ____ ft above the top of the car.

Answer 29

3ft | 3ft

Question 30

If available a Evac bridge should be used. If not available use a ____ foot plank. The span should not exceed___ inches

Answer 30

6 ft | 30 inches

Question 31

There are 2 types of manual controls now in OKC:

Answer 31

Independent service | Fire Service

Question 32

Phase one will what?

Answer 32

Bring all elevators to lobby floor

Question 33

Phase I will be found on all elevators having a travel of ____ and serving ______ installed since May 1976.

Answer 33

25ft more | 3 or more landings

Question 34

If the elevator was installed later than 1976, and the building is over _____ ft. A second phase is required called______

Answer 34

70ft | Firemens Emergency Return

Question 35

When phase II or emergency return is activated, it provides______ of an elevator.

Answer 35

Greatest measure of Manual control

Question 36

The_________cannot be disconnected or turned off at any location rather than at the lobby level. Key is not removable in the on position.

Answer 36

Firemans Emergency Return feature

Question 37

Limit ____ personnel maximum firefighters during fire situations.

Answer 37

6

Question 38

Photocells or electric eyes are detected by observing light beams at ___and _____ above the floor

Answer 38

30" & 42"

Question 39

Sufficient heat to melt the call buttons?

Answer 39

450-500 degrees

Question 40

Both ___ and ____ are cancelled when the elevator is placed under manual control.

Answer 40

Photocells/electric eyes | Operated call buttons

Question 41

What is 5 floor method?

Answer 41

Stop elevator at 5 floors below the suspected fire floor.

Question 42

Fire in an elevator machine room use what extinguisher?

Answer 42

Class C extinguisher

Question 43

Escalators, ramps , an manlifts are not considered as exits because they do not travel______

Answer 43

Over 1-3 floors & seldom enclosed

Question 44

If victim caught between edge and skirt of escalator, use _____ or _____ to release them.

Answer 44

Pry bar | K-12

Question 45

Counterweight in elevator equals the weight of car plus ____ of cars carrying capacity.

Answer 45

40%

Question 46

Drum type elevator seldom exceed_____ feet

Answer 46

150 ft

Question 47

Electric traction elevator gearless machines generally used in units moving at more than____ feet per minute.

Answer 47

400ft

Question 48

Hoist way access switch normally located ____ above the floor and _____ to side of the door.

Answer 48

72" and 12"

Question 49

Hydraulic elevator is raised by ____ and lowered by _____. Not used for lifts over______ speeds over 200 feet per minute.

Answer 49

Oil pressure Gravity 65'

Question 50

Landing Zone is _____ to ____ up or down in which car is expected to stop.

Answer 50

18" to 30"

Question 51

Photocells are at an approximate ____ and ___ level

Answer 51

Hand and calf

Question 52

Safeties are normally activated when car speed exceeds_______of their rated speed

Answer 52

15-20%

Question 53

Side Emergency Exits, normally found on cars when hoist way landings are over_____ apart. Opening must be at least _____ high and ____ wide

Answer 53

30" | 60" and 14"

Question 54

Cars traveling over ____ stories must be in a vented hoistway.

Answer 54

3 stories

Question 55

Should the elevator be stalled due to a power loss to the building, and the building has a emergency power source, it may be possible to run the elevators by_________

Answer 55

turning the emergency recall switch in the main lobby to the "ON" position.

Question 56

Never pry on the ____ edge of a hoistway door. This will wedge the doors and prevent them from opening.

Answer 56

Bottom

Question 57

A fire department operator is required at all times when an elevator is in the _____ Mode.

Answer 57

Independent service mode.

Question 58

It is recommended that an initial force of ____ men be used to determine availability and control of elevators.

Answer 58

3 men

Question 59

In the event you are called to an escalator incident, it will probably involve_________

Answer 59

a foot caught where the steps terminate at the floor, or a long coat caught between the step edge and the skirt.

Question 60

Where is the inspection plate located on an escalator?

Answer 60

In the floor at the top landing. Pull the mainline disconnects. 4 screws hold the plate in place with conventional heads.

Question 61

A group or series of cars in a common hoistway

Answer 61

Bank

Question 62

Express hoistways; shafts without landing openings

Answer 62

Blind shaft

Question 63

A condition caused by the wedging of automatic elevator doors. The door motors "burn-out" and the unit becomes totally inoperative.

Answer 63

Burn-out

Question 64

Hoisting cables or "ropes", sometimes called "strings"

Answer 64

Cables

Question 65

Either oil cylinder or a spring cushion located in the pit to prevent car over travel.

Answer 65

Car Buffer

Question 66

Actual doors of the car, not to be confused with hoistway doors

Answer 66

Car doors

Question 67

Balancing weight used on cable powered cars to give balanced operation. Normally, the counterweight equals the weight of the car plus 40% of the car's capacity.

Answer 67

Counterweight

Question 68

Either oil cylinder or spring cushion used to prevent counterweight overtravels

Answer 68

counterweight buffer

Question 69

The main bar across the top of the car, similar to a main beam.

Answer 69

Crosshead

Question 70

A drum in the motor room has the hoisting cable wound about it. Because of size limitations of the drum, lift seldom exceeds 150ft. Found in older installations.

Answer 70

Drum-Type elevator

Question 71

Gearless machines have slow speed motors on a shaft mounted on a traction sheave grooved for hoisting cables _ generally used in units moving at more than 400 feet per minute.

Answer 71

Electric Traction elevators

Question 72

Mechanical device used to limit the car speed. Generally the fly-ball type.

Answer 72

Governor

Question 73

Brake type shoes are used instead of rollers or wheel; operate as roller guides.

Answer 73

Guide Shoes

Question 74

Key operated switch, found at the top landing and lowest landing, for operation hoistway doors. Normally the switch is 72" above the floor and 12" to the side of the door.

Answer 74

Hoistway Access Switch

Question 75

Car mounted on top of hydraulic plunger that is raised by oil pressure and lowered by gravity. Some older installations receive partial support from cables and counterweights. Generally not used for lifts over 65' or speeds over 200 f.p.m.

Answer 75

Hydraulic Elevator

Question 76

Space of 18 to 30 inches, up or down, in which the car is expected to stop.

Answer 76

Landing Zone

Question 77

Weight sensing device on the bottom of a car. When a pre-set weight limit is reached, the car will not stop at all station, but will by-pass until the weight is adjusted.

Answer 77

load weighing By-Pass

Question 78

Shafts with landing openings at each floor.

Answer 78

Local Hoistways

Question 79

Oil pressure type brake used on some older installations

Answer 79

Oil Pot

Question 80

After completing its final call the car returns to the lobby and sleeps

Answer 80

Park

Question 81

Electric eye device used to activate door closing devices. Most cells are at approx. hand and calf level.

Answer 81

Photo-Cell (Photo-Electric Device)

Question 82

The one feature common to both types of elevators is that loss of electrical power will stall either, since _______

Answer 82

Both are powered by electric motors