Course 1: Unit 1 Flashcards
Early rope hydraulic elevators could operate at speeds up to:
A. 500 ft/min.
B. 700 ft/min.
C. 150 ft/min.
D. 700 ft/s.
B. 700 ft/min.
During the Industrial Revolution, the improvement in lifting devices including elevators were closely related to:
A. Steam engine
B. Electric motor
C. Wire rope
D. All of the above
D. All of the above
Early hydraulic elevators were made practical by:
A. The “U” leather packing
B. Steel frame cars
C. Steel guide rails
D. Development of sheaves
A. The “U” leather packing
The first person to demonstrate elevator “Safety” was:
A. George Westinghouse
B. Thomas Edison
C. Elisha Otis
D. Benjamin Franklin
C. Elisha Otis
The person credited with development of tpractical wire rope was:
A. John Roebling
B. Thomas Edison
C. George Westinghouse
D. Nicola Tesla
A. John Roebling
In 1887, William Baxter is credited with installing the first ______ in Baltimore.
A. Escalator
B. Electric elevator
C. Moving walk
D. Rope hydraulic elevator
B. Electric elevator
The first fully automatic elevators were installed in the mid ____.
A. 1950s
B. 1920s
C. 1890s
D. 1970s
A. 1950s
The fist person to patent a moving incline ramp was:
A. George Westinghouse
B. Elisha Otis
C. Jesse Reno
D. Henry Ford
C. Jesse Reno
The first flat-step escalator was exhibited in Paris in 1900 and later returned to the U.S. and installed in:
A. Macy Department Store in NYC
B. Sears Roebuck Store in Chicago
C. Gimble Brothers Store in Philidelphia
D. None of the above
C. Gimble Brothers Store in Philidelphia
The first ASME Elevator Code was published in:
A. 1915
B. 1955
C. 1921
D. 1896
C. 1921
The ASME A17.1 Safety Code for Elevators and Escalators is published:
A. Annually
B. Every three years, with annual addenda.
C. Every five years, with annual addenda.
D. Whenever changes are needed.
B. Every three years, with annual addenda.
The oldest known hoisting machine still in existence is located in which country?
A. U.S.A.
B. England
C. France
D. Egypt
C. France
__________ is the name of the system introduced in the 1870s that would stop and hold the elevator if the speed exceeded a predetermined rate for any reason.
A. Overspeed governor and safety system
B. Electric motor
C. Windlass
D. Teagle
A. Overspeed governor and safety system
The electric motor replaced _____ as the power source for elevators. This innovation led to the commercial use of elevators.
A. Natural gas
B. Steam
C. Cruse oil
D. Coal
B. Steam
The liquid in modern hydraulic elevators is usually _______.
A. Supercritical fluid
B. Water
C. Ethyl ammonium nitrate
D. Oil
D. Oil
The first “moving sidewalk” patent was issued in 1859, and one was installed at the World’s 1893 Columbian Exposition in the city of _______.
A. Chicago
B. Bogota
C. Barcelona
D. New York
A. Chicago
When the ASME A17.3 “Safety Code for Existing Elevators and Escalators” is adopted by the Athority Having Juridiction it applies to:
A. All new installations
B. All installations designated by the QEI-1 inspector
C. All existing elevators with less stringent requirement
D. All existing installations with more stringent requirement
C. All existing elevators with less stringent requirement
Oil buffers are required below:
A. The car only
B. The counterweight only
C. Both car and counterweight
D. Both car and counterweight for rated speed over 200 ft/min.
D. Both car and counterweight for rated speed over 200 ft/min.
The final limit switch:
A. Is actuated every time the car arrives at a terminal landing.
B. Only operates if other controls fail.
C. Is not required for winding drum elevator.
D. Is at each floor.
B. Only operates if other controls fail.
The purpose of the governor is to:
A. Control the speed of the elevator.
B. Cause the power to be removed and the safety to set when overspeed occurs.
C. Assure that the elevator is operating as fast as possible.
D. Signal the controller to cause the elevator to move.
B. Cause the power to be removed and the safety to set when overspeed occurs.
The purpose of the compensating rope is to:
A. Compensate for the weight of the car.
B. Compensate for the weight of the counterweight.
C. Connect the governor rope to the safety.
D. Compensate for the change in balance due to the weight of the suspension ropes.
D. Compensate for the change in balance due to the weight of the suspension ropes.
The brake on the driving machine:
A. Serves to stop the elevator.
B. Only sets when the mainline switch is opened.
C. Is released, electric power is removed and applied by spring force.
D. Is attached to the crosshead.
C. Is released, electric power is removed and applied by spring force.
The selector serves to:
A. Select the floor to stop at
B. Select the speed to travel
C. Provide signal to the controller on car position
D. Select the operation of the safety
C. Provide signal to the controller on car position
The purpose of the traveling cables is to:
A. Provide power and signal to the elevator car
B. Travel with the counterweight
C. Provide compensation for the car and counterweight
D. None of the above
A. Provide power and signal to the elevator car
The governor rope tension sheave:
A. Is not required
B. Is located in the machine room
C. Is part of the counterweight frame
D. None of the above
D. None of the above
The modern hydraulic elevator receives hydraulic pressure from:
A. City water pressure
B. An electric motor-driven pump
C. A steam-driven pump
D. All of the above
B. An electric motor-driven pump
A roped-hydraulic elevator is:
A. Not required to have a car safety
B. Required to have a car safety
C. Does not require a traveling cable
D. Does require a counterweight
B. Required to have a car safety
The driving machine of a hydraulic elevator is considered to be:
A. The motor, pump and tank.
B. The control valve
C. The piping connecting to the cylinder
D. Both A &B
D. Both A&B
The door operator for hydraulic passenger elevators is located:
A. Inside the car
B. On the hoistway door
C. On the car top
D. Attached to the plunger
C. On the car top
The rated speed of modern hydraulic elevator is:
A. Usually less than 100 ft/min.
B. Usually less than 200 ft/min.
C. Usually more than 350 ft/min.
D. None of the above
B. Usually less than 200 ft/min.
A direct plunger hydraulic elevator had the plunger connected:
A. To the car
B. To the counterweight
C. To the crosshead
D. None of the above
A. To the car
The purpose of the motor generator is to:
A. Provide DC power from AC power
B. Provide AC power from DC power
C. Drive the governor
D. Drive the selector device
A. Provide DC power from AC power
If a traction elevator has a sheave on top of the car and counterweight, it is said to be roped:
A. 2:1
B. 1:2
C. Direct
D. Underslung
A. 2:1
A roped-hydraulic elevator has a maximum ratio of:
A. 1:2
B. 2:1
C. 1:1
D. None of the above
A. 1:2
A type “A” safety:
A. Is the best there is
B. Is required for all hydraulic elevators
C. Is used only on hydraulic elevators
D. None of the above
D. None of the above
Standing inside the elevator, if the door jamb is on the right, it is considered:
A. Left hand application
B. Right hand application
C. Center parting application
D. Vertical slide application
B. Right hand application
According to the accessibility standard A117.1, a door must revers and re-open if:
A. It comes into contact with a person or object
B. A nudging condition allows the door to move slowly
C. A person or object comes within its path
D. No reversing is needed if door is closing slowly enough
C. A person or object comes within its path
If the closing speed of a horizontally sliding door system is increased:
A. The kinetic energy will increase
B. The kinetic energy will decrease
C. The closing force will increase
D. The weight of the door system will increase
A. The kinetic energy will increase
The maximum allowable clearance between swinging hoistway doors and car gates is:
A. 5 inches
B. 5.5 inches
C. 4.5 inches
D. 4 inches
D. 4 inches
A retractable safety edge (shoe) on a horizontal sliding door:
A. Requires contact to cause the door to stop and reopen
B. Does not require contact to cause the door to stop and reopen
C. May or may not require contact to cause the door to stop and reopen
D. is used on most new elevators
A. Requires contact to cause the door to stop and reopen
Freight elevators usually have:
A. Horizontally sliding car gates and vertically sliding hoistway entrance doors.
B. Vertically sliding hoistway entrance doors and vertically sliding car doors.
C. Vertically sliding hoistway entrance gates and vertically sliding car doors.
D. Vertically sliding hoistway entrance doors and vertically sliding car gates.
D. Vertically sliding hoistway entrance doors and vertically sliding car gates.
Retiring cams are usually:
A. On the side of passenger elevators’ enclosures.
B. Must lift before the elevator can move away from the landing.
C. On both sides of freight elevators’ car enclosure.
D. Located in the hoistway at each entrance.
B. Must lift before the elevator can move away from the landing.
Vertical sliding doors are required on:
A. All freight elevators
B. All passenger elevators
C. Freight elevators with Class “B” and “C” loading
D. Only on dumbwaiters
C. Freight elevators with Class “B” and “C” loading
The guide rails serve to
A. Guide the car and counterweight
B. Guide the car only
C. Hold the drive sheave in alignment
D. Guide the operator of the elevator
A. Guide the car and counterweight
A special purpose personnel elevator:
A. May be used by the general public
B. Has a maximum speed of 500 ft/min
C. Has a maximum capacity of 1000 lbs.
D. Must have rack-and-pinion drive
C. Has a maximum capacity of 1000 lbs.
A sidewalk elevator is:
A. Always a hydraulic drive
B. Always a rack-and-pinion drive
C. Always a winding-drum drive
D. Not permitted to carry passengers
D. Not permitted to carry passengers
An elevator used for construction is:
A. A regular elevator moving platform that construction personnel are allowed to use.
B. An elevator mounted on the outside of the building.
C. A regular elevator that must be completed as required by the code before allowing its use by construction personnel.
D. A construction hoist used only by construction personnel.
C. A regular elevator that must be completed as required by the code before allowing its use by construction personnel.
A private residence elevator:
A. Does not require inspection
B. May be used in an apartment or condo to serve no more than two residents
C. Must serve only one private residence
D. None of the above
C. Must serve only one private residence
A power dumbwaiter that complies with A17.1-1996 and later editions has a maximum capacity of:
A. 500 lbs.
B. 1000 lbs.
C. 900 lbs.
D. None of the above
D. None of the above
A winding-drum driving machine may be used:
A. For all elevators
B. For special purpose personnel elevators only
C. For freight elevators only with a maximum rise of 40 feet and maximum speed of 50 ft/min.
D. For passenger elevators with a maximum rise of 40 feet and maximum speed of 50 ft/min.
C. For freight elevators only with a maximum rise of 40 feet and maximum speed of 50 ft/min.
The roped-hydraulic elevator:
A. Is used for freight elevators only
B. Is used for passenger elevators only
C. Has a maximum ration of 1:2 between the driving machine and elevator car.
D. The driving machine (plunger) moves twice as fast as the car.
C. Has a maximum ration on 1:2 between the driving machine and the elevator car.
A class “A” freight elevator:
A. Is the best type for all installations
B. May be used by all passengers
C. Has a minimum platform size of 8 feet x 10 feet (80 feet^2).
D. Can only be loaded manually or with a hand truck.
D. Can only be loaded manually or with a hand truck.
A class “B” freight elevator:
A. Has the highest required platform rated load per unit area (lb/ft^2)
B. Has a minimum rated load of 30 lb/ft^2
C. Cannot be used for loaded trucks
D. Can be used by all passengers
B. Has a minimum rated load of 30 lb/ft^2
A class “C-2” freight elevator:
A. Cannot be loaded with a hand truck
B. Can be loaded with an industrial truck
C. Cannot be loaded with an industrial truck
D. Must be locked in place before with landing brakes before loading
B. Can be loaded with an industrial truck
A passenger elevator:
A. Must be totally enclosed without perforations.
B. Must have horizontal sliding hoistway doors.
C. Must be capable of lifting 125% of the rated load.
D. May have a car gate.
A. Must be totally enclosed without perforations.
Freight elevators may:
A. Carry passengers
B. Carry no more than 10 passengers
C. Carry the elevator operator and freight handlers only
D. Carry only the elevator technicians and engineers
C. Carry the elevator operator and freight handlers only
Escalators are used in transit systems, subways, airports and sports facilities because:
A. They can move a large number of passengers in a short time.
B. They can be used for light freight loads for concession stands and luggage needs.
C. They operate very quietly.
D. They are easy to maintain.
A. They can move a large number of passengers in a short amount of time.
If an object becomes entrapped between the escalator skirt and step as it approaches a landing, the ____ should stop the operation.
A. Skirt obstruction device
B. Combplate impact device
C. Step level device
D. Step upthrust device
A. Skirt obstruction device
Handrail finger guards:
A. Will stop operation of the handrail if finger or other objects enter the area.
B. Operate in both directions.
C. Operate only if the handrail is exiting the balustrade.
D. Help prevent fingers and hands from entering the area around the newel base where the handrail enters.
D. Help prevent fingers and hands from entering the area around the newel base where the handrail enters.
The step level device will stop operation of an escalator:
A. When the step is not level from end to end
B. When either side of the riser end of the step is displaced downward 1/8 inch.
C. When the top of the step is displaced 1/8 inch.
D. When the riser end of the step is moved up 1/8 inch.
B. When either side of the riser end of the step is displaced downward 1/8 inch.