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ENGINEERING > ELEVATORS AND ESCALATOR > Flashcards

ELEVATORS AND ESCALATOR Flashcards

1
Q

was signed into law by President Bush on July 26, 1990. The ____ is designed to
give civil rights protection to people with disabilities, similar to those granted by the Civil Rights Act.

A

“American With Disabilities Act

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2
Q

An electric bell located either in or outside the hoistway that should be auto building operating personnel; it is
connected to a pushbutton in the car operating panel, and is available to elevator passengers for summoning aid in
emergencies. A second, battery operated bell is recommended located on the car itself as a back up or for use
during a possible power failure.

A

Alarm Bell

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3
Q

An integral part of an elevator or dumbwaiter driving machine which operates to stop the unit and/or to hold the
weight of the load at a fixed position

A

Brake

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4
Q

Moving member(s) of a brake, lined with friction material which, when in contact with the brake drum, hold the
elevator at floor level. On some types of control, it will stop the elevator when power is removed from the hoist motor

A

Brake Shoe

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5
Q

A device, usually of carbon or graphite composition, used to connect a circuit with the rotating or moving portion of a
DC motor, generator, or other electrical device. It carries current to and from the non-moving parts of connections.

A

Brush

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6
Q

A device located in the pit designed to stop a descending car or counterweight beyond its normal limit of travel. This
is done by absorbing and dissipating the kinetic energy of the descending car or counterweight.

A

Buffer

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7
Q

A buffer using oil as a medium which absorbs and dissipates the kinetic energy of the descending car or
counterweight.

A

Oil buffer -

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8
Q

A buffer utilizing a spring to dissipate the kinetic energy of the descending car or counterweight

A

Spring buffer -

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9
Q

In contract service, this is a customer request which required a check of an elevator other than the regularly
scheduled maintenance.

A

Callback

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10
Q

The load-carrying unit, including its platform, framer, enclosure and car door or gate.

A

Car (Elevator)

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11
Q

A set of weights roped directly to the elevator car of a winding-drum type installation. In practice, this weight is equal to approximately 70% of the car weight

A

Car Counterweight

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12
Q

An electrical device. The function is to prevent operation of the driving machine by the normal operating device,
unless the car door or gate is in the closed position.

A

Car Door or Gate Electric Contact

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13
Q

The top and the walls of the car resting on, and attached, to the car platform.

A

Car Enclosure

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14
Q

The supporting frame to which the car platform, upper and lower set of guide shoes, car safety and the hoist ropes or
hoist rope sheaves, or the plunger of a direct plunger elevator are attached.

A

Car Frame (Sling)

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15
Q

A panel mounted in the car containing the car operating controls, such as call register buttons, door open and close,
alarm emergency stop and whatever other buttons or key switches are required for operation

A

Car Operating Station

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16
Q

Is the assembly of buttons, lights, switches, etc. placed in the elevator car for use of passengers and/or attendant, for
entering passenger destinations and for operation of safety features.

A

Car Platform

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17
Q

A motor-operated or electromagnetic-operated device on the car. It is used to unlock the hoistway door locking
system or interlock.

A

Car, Retiring

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18
Q

A control panel on top of an elevator car. When activated, it removes the car from normal service and allows the car
to run at inspection speed from the car top station only.

A

Car Top Inspection Station

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19
Q

The clear vertical distance from the pit floor to the lowest structural or mechanical part, equipment, or device installed
beneath the car platform (except guide shoes or roller guides, safety jaw assemblies and platform aprons or guards) when the car rests on its fully compressed buffers.

A

Clearance, Bottom Car

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20
Q

The shortest vertical distance between the top of the car crosshead, or between the top of the car where not
crosshead is provided, and the nearest part of the overhead structure or any other obstruction when the car floor is level with the top terminal landing.

A

Clearance, Top Car

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21
Q

is a system of regulations pertaining to the design, manufacture, installation and maintenance of elevators,
dumbwaiters, escalators and moving walks. The most widely recognized and used is ANSI A-17-1, sponsored by the National Bureau of Standards, the American Institute of Architects, The American Society of Mechanical Engineers,
and published by ASME. It has been adopted by many states. Some state and cities have written their own codes,
most of which are based on the ANSI A-17-1.

A

Code

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22
Q

The electrical system that directs the mover. It starts and accelerates the elevator, maintains contract speed, initiates
and controls the slow down, leveling and stopping. Usual control systems are generator field control utilizing a motor
generator to convert the line ac to dc (dc being the main power for larger hoisting machines), and various types of
direct drives wherein the line ac is converted to dc by means of solid state devices such as SCR’s. Variable
frequency ac utilizing and ac hoisting machine is another form of direct drive.

A

Control, Elevator

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23
Q

A system of speed control which is accomplished by the use of an individual motor driven generator for each elevator
or dumbwaiter. The voltage, applied to the hoisting-machine motor, is adjusted and speed varied by varying the
strength and direction of the generator field

A

Control, Generator-Field

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24
Q

A device or group of devices which serves to control, in a predetermined manner, the apparatus to which it is
connected.

A

Controller

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25
Q

A structural steel frame containing weights either cast iron or steel plates, which runs vertically in the hoistway within
its own guide rails, and counterbalances the weight of the car and percentage of the capacity load.

A

Counterweight

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26
Q

The outermost lining of a hydraulic jack.

A

Cylinder

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27
Q

The horizontal upper member of a car frame, consisting of structural steel channels, the selector, or floor controller
member. It travels up and down in direct relationship to the car and is equipped with electrical devices involved in
operating the elevator.

A

Crosshead

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28
Q

Used in some elevator manufacturers’ systems.

A

Crosshead

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29
Q

A drawing showing the electrical operating, speed control and signal circuits of an elevator, dumbwaiter, etc. A
“straight” diagram shows all the circuitry and components for the equipment to operate, whereas a “field” diagram
indicated to the wireman on the job how to connect the wiring of various components provided during installation.

A

Diagram, Wiring

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30
Q

An electric current flowing in one direction only and substantially constant in value.

A

Direct Current (DC)

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31
Q

A signal fixture located in the elevator car that indicates the direction in which the car is traveling. The fixture may
signal for car arrival as the doors are opening.

A

Direction Indicator, Car

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32
Q

Any type of mechanical lock designed to prevent the opening of a hoistway door from the landing side.

A

Door Lock

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33
Q

the movable portion of the car hoistway entrance which closes the opening providing access to the car or to the
landing.

A

Door or Gate, Car or Hoistway

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34
Q

A vertically sliding or horizontally sliding (center opening) consisting of two or more sections. The sections or groups
of sections are arranged to open away from each other, and are so interconnected that all sections operate
simultaneously.

A

Door, Bi-Parting

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35
Q

A motor-driven device mounted on the car which opens and closes the car doors.

A

Door Operator

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36
Q

A mechanical device which closes a hoistway door or a car door or gate by means of a spring or gravity.

A

Door or Gate Closer

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37
Q

Devices mounted on car and hoistway door panels, supporting the doors and guiding their movement. Each hanger consists of a steel track affixed to the car of hoistway entrance and of suitable rollers fastened to the door

A

Door or Gate Hanger (and Track)

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38
Q

Also known as center-parting, these doors utilize two panels and half the width of the opening, with one side sliding
to the right and the other half to the left, to open.

A

Doors, Center-Opening

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39
Q

A one-panel door which slides to either the right or left to open.

A

Doors, Single Slide

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40
Q

A ______ door wherein both panels slide either right or left to open. The inner panel moves at one-half the speed
as the outer panel. Variations include a three-speed door utilizing three panels. Two sets of two panels each in
combination can make a two-speed center-opening door.

A

Doors – Two Speed

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41
Q

These types of doors are used where the hoistway width is
limited and only when a wider opening than that possible with a center-opening door is desired.

A

Doors – Two Speed

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42
Q

The power unit which applies the energy necessary to raise and lower an elevator, material lift, or dumbwaiter car.
The drive machine can alternatively be used to drive an escalator, inclined lift or moving walkway.

A

Drive Machine

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43
Q

The grooved wheel of a traction-type hoisting machine over the hoist ropes pass. Motion is imparted to the car and
counterweight by the hoist ropes.

A

Drive Sheave

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44
Q

A hoisting and lowering mechanism equipped with a car which moves vertically in guides, the floor of which does not
exceed nine square feet, whose total inside height, whether or not provided with shelves, does not exceed four feet.
The capacity must not exceed five hundred pounds, nor should be used exclusively for carrying materials.

A

Dumbwaiter

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45
Q

The load carrying capacity, operating speed, and other technical data defining the operational capability of an
elevator, dumbwaiter, etc.

A

Duty

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46
Q

A unit that provides emergency power for elevator lighting, usually from a battery pack on the car, in the event that
normal power is lost. Emergency power is immediately connected whereas standby power depends upon the starting of a standby generator.

A

Emergency Lighting

47
Q

A device located in the car which, when manually operated, causes the elevator to stop by removing power from the
driving-machine motor and applying the brake of an electric elevator; or by acting on the electrically operated valves and/or pump motor of a hydraulic elevator

A

Emergency Stop Switch

48
Q

The front cover of a signal or operating fixture such as a push-button, position indicator, etc. usually having an
architectural finish (bronze, stainless steel, etc.).

A

Faceplate

49
Q

A device or group of devices which provide:
A signal for immediate recall to a designated landing in order to remove cars from normal use. To permit operation for firefighters or other authorized emergency personnel.

A

Firefighter’s Service

50
Q

A type of hoistway or car closure of a number of wood, metal, or mesh strips, articulated or fixed, usually used on
freight elevators.

A

Gate

51
Q

A traction machine in which the power from the motor is transmitted to the drive sheave through reduction gears.

A

Geared Traction Machine

52
Q

A type of elevator hoisting machine on which the hoist ropes pass over a traction drive sheave which is an integral
part of the armature. It is called gearless because no geared reduction unit is utilized.

A

Gearless Traction Machine

53
Q

An electromagnetical device that converts mechanical energy to electrical energy (usually direct current).

A

Generator

54
Q

An over-speed safety device, located in the machine room or upper part of the hoistway and driven by a sheave. It
passes a rope, which in turn is fastened to and propelled by the car or counterweight. Can also be located in the pit.
Should an abnormal condition cause the car or counterweight to descend at a predetermined over-speed, the interaction between the governor and the governor rope causes the safety to engage the guide rails. This will bring the car or counterweight to a controlled stop.

A

Governor, Elevator

55
Q

A wire rope attached to an elevator car frame that drives the governor and, when stopped by the governor, initiates
setting of the car safety.

A

Governor Rope

56
Q

Steel T-section with machined guiding surfaces installed vertically in a hoistway to guide and direct the course of
travel of an elevator car and elevator counterweights.

A

Guide Rails

57
Q

Devices attached to the car frame and counterweight frame at top and bottom, which keep them properly located
with relation the guide rails.

A

Guides, Car or Counterweight

58
Q

simply slide along the faces of the rails; the sliding insert or gib may be metal, requiring the guide rails to be lubricated, or may be plastic material which is self-lubricating.

A

Sliding guides

59
Q

consist of rubber or plastic tired spring-mounted rollers which run on the front and both sides of the guide rail faces. Roller guides do not require rail lubrication.

A

Roller guides

60
Q

A corridor mounted signal light indication that an elevator car is approaching that landing and the direction in which
the car is to travel.

A

Hall Lantern

61
Q

A railing serving as a support.

A

Handrail

62
Q

A guard, usually made of rubber that fits over the outside of the handrail at a point where the handrail enters or
leaves the balustrade; it is to keep a person’s fingers out of the handrail opening

A

Handrail Guard

63
Q

A shaftway for the travel of one or more elevators, dumbwaiters or material lifts. It includes the pit and terminates at
the underside of the overhead machinery space floor or grating, or at the underside of the roof where the hoistway
does not penetrate the roof.

A

Hoistway

64
Q

This Is the fixed structure, consisting of vertical wall or partitions, which isolates the hoistway from all other parts of the building or from an adjacent hoistway and in which the door assemblies and the elevator are installed.

A

Hoistway Enclosure

65
Q

A locking mechanism applied to elevator landing doors and designed so that the door is locked prior to an electrical
contact made.

A

Hoistway Door Interlock

66
Q

It is used to:
Electrically prevent the normal operation of the hoisting machine unless the hoistway door is locked in the closed
position.Prevent the opening of the hoistway door from the landing side unless the car is within the landing zone and is either stopped or being stopped.

A

Hoistway Door Interlock

67
Q

In Car – See “Independent Service”
Landing – A switch, either key, card-key or other restricted operation, which calls an elevator to that landing. It is
usually on a priority basis and holds it there to allow operation of the in-car emergency service switch.

A

Hospital Emergency Service

68
Q

A power elevator where the energy is applied by means of a liquid under pressure in a cylinder equipped with a
plunger or piston

A

Hydraulic Elevator

69
Q

A special operation wherein a car is removed from automatic operation and no longer automatically answers car or landing calls. It responds only to the calls registered on the car operating panel. Usually activated by a switch (key or enclosed) in the car panel.

A

Independent Service

70
Q

A signal device mounted at elevator landings over or adjacent to the elevator entrance. An illuminated indication and an audible signal will alert the waiting passenger that the elevator is arriving, as well as its direction of travel as it
leaves the floor.

A

Lantern, Hall or Landing

71
Q

A scaled mechanical drawing showing dimensioned plan views, elevations of an elevator hoistway & machine room
to indicate space conditions, pertinent dimensions, sizes, and location of components of the installation.

A

Layout

72
Q

The movement of an elevator toward the landing sill when it is within the leveling zone. When the word leveling is
used, the inference is that the process of attaining a level or stop position (the platform level with the landing sill) is
performed completely automatically.

A

Leveling

73
Q

The portion of the building dedicated exclusively to housing the driving and control parts of an elevator or
dumbwaiter. Parts include the machine, controller, selector, motor generator, etc.

A

Machine Room

74
Q

Steel T-sections with machined guarding surfaces installed vertically in a hoistway to guide and direct the course of
travel of an elevator car.

A

Main (Car) Guide Rails

75
Q

Automatic operation by means of one button in the car for each landing served and one button at each landing. All
calls are registered by the momentary actuation of landing or car buttons. Also, the corresponding stops are made
irrespective of the number of buttons actuated or of the sequence in which the buttons are actuated.

A

Non-Selective Collective Automatic Operation

76
Q

With this type of operation, the car stops at all landings for which buttons have been actuated, making the stops in
the order in which the landings are reached after the buttons have been actuated, but irrespective of its direction of travel. This operation is seldom provided

A

Non-Selective Collective Automatic Operation

77
Q

An elevator operating system wherein landing and car calls are retained. The elevator will respond to UP landing call
only in the UP direction, and to DOWN landing call in the DOWN direction, as well as any car calls registered as that
floor is reached.

A

Operation, Collective

78
Q

The logic system that directs the elevator to perform specific functions. The operating system tells the elevator when to start or stop, open or close the doors, go up or down or to park. Inputs to the operating system are the landing calls, the car calls, the loading of the elevator, delays during passenger transfer, malfunctions and interference.

A

Operation, Elevator

79
Q

The automatic operation of two or more elevators which are associated. The operation of the cars is coordinated by
a supervisory control system including automatic dispatching means. selected cars at designated dispatching points automatically close their doors and proceed on their trips in a regulated manner.

To operate two or more elevators as a team, a group operating system is employed. The system directs the action of each elevator to attempt to keep them separated and so that no more than one elevator generally responds to a
landing call in a given direction.
Various strategies are used and can consist of the timed dispatching of elevators to space them away from a main
landing, the deployment of elevators to park them at various locations throughout the elevator rise, and to calculate which elevator is in the best position to answer landing calls to optimize or equalize response.
Some versions of a group automatic operating system automatically start cars to “cruise” in search of landing calls at times when no calls are in registration whereas other systems will not move elevators until a call registers a
“demand”.

A

Operation, Group Automatic

80
Q

______is the basis of most automatic elevator operating systems.

A

Collective

81
Q

Variations of “Collective Operation” are
as follows:

A

Elevator Operation
Group Automatic Operation
Single Automatic Operation

82
Q

______ is also referred to as “on call”
system, i.e. cars will not move unless a car or landing call is in registration.

A

Collective

83
Q

______ operation by means of one button in the car for each landing served and one button at each landing. If any
car of landing button has been actuated, the actuation of any other car or landing operating button will have no effect
on the operation of the car until the response to the first button has been completed.

A

Operation, Single Automatic

84
Q

A part of an escalator machine. It is actuated by centrifugal force and trips a switch when the motor speed has
increased 20% over its rated name plate speed

A

Overspeed Governor Switch

85
Q

Usually response to the first
button has been completed. Often used with an “In Use” light located in the landing buttons.

A

Operation, Single Automatic

86
Q

The portion of a hoistway extending from the threshold level of the lowest landing to the floor at the bottom of the
hoistway.

A

Pit, Elevator

87
Q

In a hydraulic elevator, the part that pushes the car up or restrains its descent; it moves within the cylinder by means
of hydraulic pressure.

A

Plunger

88
Q

A device that indicates by illuminated numbers in a digital readout, the position of the elevator in the hoistway. It is
called a hall position indicator when placed at a landing or a car position indicator when placed in a car. Also, it can
be found in a lobby Indicator Panel or may be part of a CCTV display in a central location or machine room.

A

Position Indicator

89
Q

Inspections, tests, cleaning and similar activities carried out on elevator equipment with the intention of preventing
malfunctions from occurring during operation. It is designed to keep equipment in proper operating order and is done on a scheduled basis. It is also referred as scheduled maintenance.

A

Preventative Maintenance

90
Q

A protection system for entering or exiting passengers against sliding doors. It is a device, usually mounted on the
car door and consisting of light ray devices which will stop and reverse a closing door.

A

Proximity Edge

91
Q

The load which the elevator, dumbwaiter or escalator is designed and installed to lift at the rated speed.

A

Rated Load

92
Q

An electric device that is designed to interrupt input conditions in a prescribed manner and after specified conditions are met, to respond and cause contact operation or create change in associated electric control circuits.

A

Relay

93
Q

A quantity of electro magnetic switches, relays or panels, constituting a panel, mounted in the machine room usually
for receiving and registering all calls made by passengers by means of the landing or car buttons. Also may be solid
state devices.

A

Relay Panel

94
Q

A power passenger electric elevator installed in a private residence, and which has a rated load not in excess of 750
lbs., a rated speed not in excess of 40 feet per minute, a net inside platform area not in excess of 12 square feet,
and a rise not in excess of 50 feet per the A17.1

A

Residential Elevator

95
Q

A power passenger lift, installed on a stairway in a private residence, for raising and lowering persons from one floor
to another.

A

Residential Stairway Lift

96
Q

Guide shoes which use rollers that rotate on guide rails, rather than sliding on the rails.

A

Roller Guides

97
Q

One in which the energy is applied by a piston or plunger, connected to the car with wire ropes, which operates
under hydraulic pressure. It includes the cylinder, the piston or plunger and sheaves, if any, and their guides

A

Roped-Hydraulic Driving Machine

98
Q

_______ made of steel or iron strands with non-metallic cores.

Types include:
Hoist – used to support and move the car & counterweight

Governor – see “Governor-Elevator”.

Compensating – suspended from below the care to below the counterweight, and used on high-rise elevators to
offset the weight unbalance occurring when a large amount of hoist rope is on the car side or on the counterweight side due to car position. The compensation keeps the overbalance, or empty and full cars, within the traction capability of the machine drive sheave

A

Ropes

99
Q

A cabinet located in the elevator car containing special controls necessary for operating automatic elevators during
service and testing periods. May also include fan switches, light switches, and an Independent Service switch.

A

Service Cabinet

100
Q

A wheel mounted in bearings. It also has one or more grooves over which a rope or ropes may pass.

A

Sheave

101
Q

The utilization of static electrical components, micro-processors, programmable controllers or integrated circuits to control the operating system of an elevator or group of elevators.

A

Solid State - Logic

102
Q

The utilization of static electrical components such as SCR’s and programmable controllers in the motion control
system of an elevator.

A

Solid State – Motor Drive

103
Q

A detailed itemized description of the plans, materials, dimensions and all other requirements proposed for the
installation of the equipment.

A

Specifications

104
Q

Phase I: Recall - A key switch in the lobby that, when actuated, return the car(s) to the main floor where they park
with their doors open. Phase I is also activated by signal from a smoke detector located in upper floor elevator
lobbies. In some jurisdictions, a main lobby smoke detector may send elevators to an alternate floor during
Phase I.

Phase II: In-Car Fire Service - A key switch in the car that allows the elevator to be operated by emergency
personnel from car buttons only during an emergency such as fire.

A

Special Emergency Services (Firefighter’s Aid)

105
Q

A key switch in the lobby that, when actuated, return the car(s) to the main floor where they park
with their doors open. Phase I is also activated by signal from a smoke detector located in upper floor elevator
lobbies. In some jurisdictions, a main lobby smoke detector may send elevators to an alternate floor during
Phase I.

A

Phase I: Recall

106
Q

A key switch in the car that allows the elevator to be operated by emergency
personnel from car buttons only during an emergency such as fire.

A

Phase II: In-Car Fire Service

107
Q

The reservoir for the operating fluid on a hydraulic elevator.

A

Tank

108
Q

Controls on the top of the car used by an elevator constructor to operate the car at inspection speed. It provides a means of operating an elevator from on top of the car at slow speed during adjustment, inspection, maintenance and
repair.

A

Top-of-Car Inspection Station

109
Q

An electric machine in which the friction between the hoist ropes, and the machine sheave is used to move the
elevator car.

A

Traction Machine

110
Q

The vertical distance between the bottom terminal landing and the top terminal landing of an elevator, dumbwaiter, or
escalator.

A

Transom

111
Q

A sheathed bundle of flexible traveling wires hanging from under the elevator car at on end; anchored to the
hoistway and leading to the machine room at the other end; connecting equipment in or on the car (buttons, lights,
switches, door operator, etc.) to the control equipment in the machine room.

A

Traveling Cable

112
Q

________ may contain shielded
wiring, coaxial cable and possibly fiber optics

A

Traveling cables

113
Q
A

ENGINEERING (5 decks)

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