Course 1: Unit 2 Flashcards
CAD refers to:
A. Computer Adaptive Drawing
B. Computer-Aided Design
C. Complete and Dated
D. None of the above
B. Computer-Aided Design
View of an object or building looking down from the top:
A. Elevation view
B. Isometric drawing
C. Plan view
D. Section view
C. Plan view
A dimension is given a 5 ft ± 1/64 inch. The measurement must be:
A. Exactly 5 inch
B. Between 4 15/16inch and 5 1/16inch
C. At least 5 inch and less than 5 1/64inch
D. Between 4 63/64inch and 5 1/64inch
D. Between 4 63/64inch and 5 1/64inch
The scale on a plan view of an architect drawing is given as 1/4 inch = 1 foot. A measurement of 3 inch would equal ______.
A. 16 feet
B. 6 feet
C. 12 feet
D. 3 feet
C. 12 feet
On mechanical drawings, the term N.T.S. stands for:
A. Near to scale
B. Not to subtract
C. Not to scale
D. Never transpose sublevels
C. Not to scale
The elevator code (A17.1-2000) uses ______ for most primary dimensions.
A. Inches (in.)
B. Meters (m)
C. Millimeters (mm)
D. Feet (ft)
C. Millimeters (mm)
An Architect scale will read in:
A. Metric with decimals
B. Millimeters only
C. Feet, inches and fractions
D. Inches with decimals
C. Feet, inches and fractions
An Engineer scale is calibrated to read in:
A. Fractions of inches
B. Ratios
C. Inches with decimals
D. Metric with decimals
B. Ratios
An elevation drawing of a hoistway is in metric with a scale of 1:100. A measurement of 40 mm would represent _____meters.
A. 4.0
B. 3.5
C. 8.0
D. 12.0
A. 4.0
A dimension of 2500mm is on a drawing. This stands for:
A. 2500 micro inches
B. 25 inches
C. 2500 millimeters
D. 2.5 feet
C. 2500 millimeters
Which of the following dimensions are equivalent?
A. 1/8 inch; 0.250 inch; 6.35 mm
B. 1/16 inch; 0.0625 inch; 1.98437 mm
C. 3/16 inch; 0.1875 inch; 5.15937 mm
D. 5/16 inch; 0.3125 inch; 7.93750 mm
C. 3/16 inch; 0.1875 inch; 5.15937 mm
A temperature of 35°C is equal to:
A. 70°F
B. 95°F
C. 105°F
D. 51.4°F
B. 95°F
A millimeter (mm) is:
A. 100th of a meter
B. 10th of a meter
C. 1000th of a meter
D. None of the above
C. 1000th of a meter
There are _____ liquid ounces in a gallon.
A. 64
B. 96
C. 132
D. 128
D. 128
The most common scale used on layout drawing in the U.S. is:
A. Engineer scale
B. Architect scale
C. Metric scale
D. Composite scale
B. Architect scale
The radius of a circle is:
A. 1/2 the diameter
B. Equal to the diameter
C. 1/2 the perimeter
D. None of the above
A. 1/2 the diameter
Which of the following are Imperial units?
A. Meters, kilograms, newtons, seconds
B. Feet, inches, pounds mass, pounds force, seconds
C. Degrees, kilograms, celsius
D. None of the above
B. Feet, inches, pounds mass, pounds force
Hidden lines on a drawing indicate a hole or cut that cannot be seen and are drawn as:
A. - - - - - - - - - - - - - - -
B. ————————–
C. — — — — — — —
D. None of the above
A. - - - - - - - - - - - - - - -
An arrow and number (R0.5) on a drawing with engineering units would indicate:
A. Reference to document # 0.5
B. A radius of 0.5 inch at the location indicated by the arrow
C. Reserved for future reference
D. None of the above
B. A radius of 0.5 inch at the location indicated by the arrow
The three types of scales are:
A. Engineer, Architect and Metric
B. Architect, Celsius and Engineer
C. Metric, Photographic and Technical
D. Architect, Engineer and Linear
A. Engineer, Architect and Metric
The ‘final layout” must have _____ before technician can use.
A. Approval stamp
B. Latest revisions
C. Pit depth
D. Car size
A. Approval stamp
Hoistway entrance doors installation instructions and drawings:
A. Must be followed precisely
B. Are considered recommendations and can be altered to meet site conditions
C. Are not required
D. Are followed at the discretion of the technician to best comply with code requirements
A. Must be followed precisely
The following is required on layout drawing for Electric Elevators:
A. Size of the deflector sheaves
B. Maximum allowable rail bracket spacing for both car and counterweight
C. Type compensating rope to be used
D. The size of the mainline disconnect
B. Maximum allowable rail bracket spacing for both car and counterweight
The following is required on the layout drawing for hydraulic elevators:
A. Size of the well casing
B. Viscosity of oil to be used
C. Working pressure and wall thickness of cylinder, plunger and piping
D. Pump motor size
C. Working pressure and wall thickness of cylinder, plunger and piping
When an elevator technician notices something that is an apparent error on a layout drawing, he/she should:
A. Ignore the drawing and make the correction on site.
B. Mark up the drawing to show the correction and install as marked up.
C. Install as shown on the drawing ignoring the apparent error.
D. Check with the manager/superintendent before proceeding with installation.
D. Check with the manager/superintendent before proceeding with installation.
The dimensions on the final layout drawing:
A. Shall be checked to verify that they reflect the as built construction.
B. Should not require checking.
C. Should be checked at the discretion of the technician.
D. May be checked with the design professionals to help them understand the elevator requirements.
A. Shall be checked to verify that they reflect the as built construction.
Which of the following type of wiring diagrams is used most often for diagnostics?
A. Conduit diagram
B. Field wiring diagram
C. Straight line wiring diagram (schematics)
D. One line wiring diagram
C. Straight line wiring diagram (schematics)
Block diagrams are used:
A. To show how the bricks or concrete blocks are stacked to form the hoistway and machine room
B. In electronic circuits to show components and data flow
C. To show the block rigging for lifting loads over 500 lbs.
D. Never used for elevators
B. In electronic circuits to show components and data flow
The symbols used in elevator wiring diagrams are:
A. Controlled and comply with the ANSI standard symbol library
B. The same for all relay logic circuits
C. Vary with the manufacturer and equipment vintage
D. Not important for understanding diagrams
C. Vary with the manufacturer and equipment vintage
A working knowledge of the following is necessary to understand elevator wiring diagrams.
A. Motor theory
B. Kirchhoff’s Law
C. Bunuellie’s Principal
D. Ohms Law
E. Volts Law
F. Farad’s Law
G. DC generator operating theory
H. AC generator operating theory
I. Polyphase power
J. Electrical power factor
A. Motor theory
B. Kirchhoff’s Law
D. Ohms Law
G. DC generator operating theory
All manufacturers of solid state controls use the same symbol for relay coils.
A. True
B. False
C. Neither true or false
D. They try to
B. False
The maximum design counterweight runby shall be:
A. Posted in the machine room in letters at least 1 in. high
B. Posted in the pit near the counterweight in letters at least 1 in. high
C. Posted in the pit near the counterweight in letters at least 2 in. high
D. Recorded on the final test report
B. Posted in the pit near the counterweight in letters at least 1 in. high
An elevator counterweight is equal to:
A. The weight of the elevator alone
B. The weight of the live load
C. The weight of the elevator and 40-50% of live load
D. None of the above
C. The weight of the elevator and 40-50% of live load
The “jump” of an elevator car or counterweight is calculated at:
A. Half the minimum buffer stroke
B. Two times the minimum buffer stroke
C. Half the maximum buffer stroke
D. Half the existing buffer stroke
A. Half the minimum buffer stroke
Pit depth is a function of elevator design and:
A. Load
B. Speed
C. Traction
D. None of the above
B. Speed
A17 Code limits escalator incline to 30 degrees ±:
A. 2 degrees
B. 1 degree
C. 4 degrees
D. 5 degrees
B. 1 degree
Gate post and rail for a vertical sliding gate on a freight elevator requires ______ clearance when the car is at the maximum upward movement.
A. 6 in.
B. 24 in.
C. 42 in.
D. Cannot touch the overhead
D. Cannot touch the overhead
When an underslung elevator car has the drive machine mounted in the basement the load on the sheave shaft bearings is:
A. In the up direction
B. In the down direction
C. In both directions
D. In all directions
A. In the up direction
The Elevator Code A17.1 specifies the minimum allowable rated load for elevators so that:
A. The larger the platform the higher the minimum rated load.
B. The smaller the platform the higher the minimum rated load.
C. The minimum rated load is determined only by the type of elevator (passenger or freight).
D. The larger the platform the smaller the minimum rated load.
A. The larger the platform the higher the minimum rated load.
A passenger elevator and a freight elevator have the same size platform. The passenger elevator would have:
A. A higher minimum rated load
B. A lower minimum rated load
C. The same minimum rated load
D. Could be either way depending on the predominate use
A. A higher minimum rated load
Center-opening horizontal sliding doors:
A. Require more width than two speed doors.
B. Require less width than two speed doors.
C. Require the same space as two speed doors.
D. Should seldom be used.
A. Require more width than two speed doors
For counterweighted elevators, if the counterweight runby is increased the top car clearance will:
A. Decrease
B. Not necessarily change
C. Increase
D. The vertical clearance in the top car refuge space will not change
A. Decrease
Once an elevator is installed, the bottom car runby:
A. Will change when new ropes are installed
B. Will change if the ropes stretch or are shortened
C. Will change only if modifications are made to the car buffers or supports
D. Cannot be measured without special instruments such as a laser tape
C. Will change only if modifications are made to the car buffers or supports
The maximum rated speed of an escalator installed under ASME A17.1-2000 and later editions is:
A. 100 fpm up with rated load
B. 125 fpm in either direction or any load up to rated load
C. 100 fpm down with rated load
D. 125 fpm up with no load
A. 100 fpm up with rated load
When leaving the top of an operational elevator:
A. The stop switch should be place in the run position before stepping off the top
B. The stop switch should be left in the stop position until the top has been exited, then reach back and place it in the run position
C. All tools and materials needed for the next maintenance should be secured so that they do not fall off when the elevator is running
D. Oil for the guide rails should be stored under the crosshead to prevent spilling
B. The stop switch should be left in the stop position until the top has been exited, then reach back and place it in the run positon
Guide rail ends are connected by:
A. Welding
B. Tongue-and-groove and fishplate
C. Dove-tail and fishplate
D. Dove-tail and rail bracket fastening
B. Tongue-and-groove and fishplate
The fit of mechanical parts are:
A. Determined by the technician
B. Specified by the manufacturer
C. Not important to the repair technician
D. Not important to the maintenance technician
B. Specified by the manufacturer
A running fit will:
A. Not allow the parts to run
B. Allow the parts to slide
C. Cause a run in the part
D. Always be the best for elevator equipment
B. Allow the parts to slide
A shrink fit:
A. Will maintain pressure between the mating parts
B. Cause the mating parts to shrink
C. Results in movement between parts
D. Cannot be used for drive couplings
A. Will maintain pressure between the mating parts
A machine screw is a special classification of threaded fastener:
A. With a diameter less than 1/2 inch
B. With a diameter less than 1 inch
C. With a diameter less than 1/4 inch
D. With a diameter less than 3/8 inch
C. With a diameter less than 1/4 inch
A 10-32 machine screw:
A. 10 represents the size and 32 represents the threads per inch
B. Cannot be used on elevators because of its large size
C. 10 represents the size and 32 represents the strength of the screw
D. 10-32 is not a standard machine screw
A. 10 represents the size and 32 represents the thread per inch
A 5/16 in. diameter U.S. Standard bolt may have:
A. A maximum length of 5 inch
B. 20 or 28 threads per inch
C. 16 or 24 threads per inch
D. 18 or 24 threads per inch
D. 18 or 24 threads per inch
A metric bolt is M5 x 0.8:
A. It is a class M5 bolt
B. It is 0.8 mm diameter with 5 threads per mm
C. It is 5 mm in diameter with a thread pitch of 0.8
D. It is the same size as a U.S. Standard 1/4 bolt
C. It is 5 mm in diameter with a thread pitch of 0.8
One liter is equal to:
A. 0.9 gallons
B. 3.5 quarts
C. 100 cc
D. 1000 cc
D. 1000 cc
Match the following abbreviations with their units
ft/min hertz
psi hour
V Pounds per square inch
fc meter
h millimeter
Hz footcandle
kg pounds force
m feet per minute
mm volt
lbf kilogram
Hz hertz
h hour
psi Pounds per square inch
m meter
mm millimeter
fc footcandle
lbf pounds force
ft/min feet per minute
V volt
kg kilogram
The metric units used for linear measurement in ASME A17.1-2000 Safety Code for Elevators and Escalators is:
A. Meter (m)
B. Millimeter (mm)
C. Centimeter (cm)
D. Liter
B. Millimeter (mm)
Tapered pipe threads have a taper of:
A. 45 degrees
B. 30 degrees
C. 1 to 16
d. 1 to 24
C. 1 to 16
Tamper resistant fasteners are:
A. Required by the code for all fixtures
B. Often used to attached car and hall stations
C. Are never used on elevators
D. Should be replaced with standard fasteners
B. Often used to attached car and hall stations
Crown or acron nuts are used for:
A. Appearance and to prevent snag points
B. To assure a secure fastening
C. On all rope shackle ends
D. On car platform guards
A. Appearance and to prevent snag points
Jam nuts are used:
A. For appearance
B. To prevent snag points
C. To fasten entrance jambs to the building structure
D. To jamb the primary nut and prevent loosening
D. To jamb the primary nut and prevent loosening
Disc spring (commonly called Bellevilles washers) are used:
A. Where a spring tension is needed to allow limited movement
B. In bolted connections where high torques are required
C. Only on electrical connections using aluminum conductors
D. On water tight connections for control boxes
A. Where a spring tension is needed to allow limited movement
