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CET Study Cards > Course 2: Unit 4 > Flashcards

Course 2: Unit 4 Flashcards

1
Q

The following equipment, while not in the pit, is usually accessed from the pit:
A. Elevator brake
B. Car and counterweight safeties and lower guides
C. Door operators
D. Suspension rope attachments

A

B. Car and counterweight safeties and lower guides

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2
Q

According to the ASME A17.1/CSA B44 Code, pit drains or sumps with automatic sump pumps are:
A. Required only for passenger elevators
B. Required for freight elevators
C. Required for all elevators equipped with firefighters’ emergency operations
D. Desirable but not required

A

C. Required for all elevators equipped with firefighters’ emergency operations

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3
Q

Pit ladders are required:
A. Where access to the pit is from the lowest hoistway entrance, and the pit is 48 in. (1200 mm) or more deep
B. Where access to the pit is from the lowest hoistway entrance, and the pit is 43in. (1100 mm) or more deep
C. Where access to the pit is from the lowest hoistway entrance, and the pit is 24 in. (600 mm) or more deep
D. Where access to the pit is from the lowest hoistway entrance, and the pit is 35 in. (900 mm) or more deep

A

D. Where access to the pit is from the lowest hoistway entrance, and the pit is 35 in. (900 mm) or more deep

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4
Q

Where pit access is from the lowest hoistway entrance the pit stop switch is required to be located adjacent to the pit ladder and approximately ____ in. above the sill.
A. 18
B. 24
C. 36
D. 48

A

A. 18

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5
Q

ASME A17.1/CSA B44 requires two stop switches if the pit depth exceeds ____ in.
A. 60
B. 67
C. 72
D. 47

A

B. 67

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6
Q

The pit stop switch must be:
A. Equipped with a red handle or button and marked stop with the stop and run position indicated.
B. Equipped with a blue button and marked stop with the stop and run position indicated.
C. Equipped with a green handle and marked stop and run position indicated.
D. Equipped with a yellow handle or button and marked stop with the stop and run position indicated.

A

A. Equipped with a red handle or button and marked stop with the stop and run position indicated.

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7
Q

The centerline of the run or cleats of the pit ladder must be _____ in. from the nearest obstruction (ASME A17.1-2007/CSA B44 -07 and later Code).
A. 4- 1/2
B. 5- 1/2
C. 6- 1/2
D. 7- 1/2

A

A. 4- 1/2

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8
Q

The pit ladder or handgrips must extend above the top rung or cleat at least ____in. (ASME A17.1-2007/CSA B44-07).
A. 42
B. 44
C. 36
D. 48

A

D. 48

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9
Q

Where the pit entrance is from a door level with the pit floor, the light and stop switch must be located:
A. Adjacent to the door on the lock jamb side inside the pit.
B. Adjacent to the door on the lock jamb side outside the pit.
C. Adjacent to the door on the hinge side inside the pit.
D. On the opposite wall from the pit door.

A

A. Adjacent to the door on the lock jamb side inside the pit.

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10
Q

When entering the pit:
A. The stop switches must be tested while in the pit.
B. The stop switches must be tested before entering the pit.
C. It is not necessary to test the stop switches because they most always work.
D. The stop switches can be in either position since the open door will prevent the car from moving.

A

B. The stop switches must be tested before entering the pit.

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11
Q

Counterweight guards are required:
A. For all counterweights.
B. Only for all counterweights without compensation.
C. For counterweights without compensation and open side of counterweights that have compensation or more than a 20-in. clearance.
D. Only for counterweights with compensation.

A

C. For counterweights without compensation and open side of counterweights that have compensation or more than a 20-in. clearance.

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12
Q

ASME A17.1/CSA B44 requires that the counterweight guard extend from the bottom at the level that the counterweight would be on a fully compressed buffer to a height neither less than _____in. nor more than _____in.
A. 60 & 86
B. 66 & 96
C. 83 & 96
D. 76 & 83

A

C. 83 & 96

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13
Q

The bottom counterweight runby is measured with the elevator car level with:
A. The top landing.
B. The bottom landing.
C. The second landing.
D. The next to the top landing.

A

A. The top landing.

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14
Q

The buffers are designed to safely stop the car and counterweight if:
A. The ropes break and the car and counterweight fall from the center of the hoistway.
B. The controls fail allowing the car or counterweight to impact the buffer at 150% of rated speed.
C. The controls fail allowing the car or counterweight to impact the buffer at 115% of rated speed.
D. The controls fail allowing the car or counterweight to impact the buffer at 125% of rated speed.

A

C. The controls fail allowing the car or counterweight to impact the buffer at 115% of rated speed.

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15
Q

Spring buffers can be used for rated speeds up to:
A. 200 ft/min.
B. 500 ft/min.
C. 225 ft/min.
D. 250 ft/min.

A

A. 200 ft/min.

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16
Q

Solid bumpers can be used on:
A. Freight elevators with rated speed less than 50 ft/min.
B. All hydraulic elevators
C. Hydraulic elevators with rated speeds less than 50 ft/min.
D. Hydraulic elevators with operating speed down less than 50 ft/min.

A

D. Hydraulic elevators with operating speed down less than 50 ft/min.

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17
Q

The impact load on the buffer support due to buffer engagement should be shown on:
A. The car crosshead.
B. The counterweight crosshead.
C. The layout drawing.
D. The wiring diagram

A

C. The layout drawing.

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18
Q

An electric elevator has a rated load of 2500 lb. and the car crosshead data plate gives the car weight as 4500 lb. The traveling cables weight 250 lb. There is no space below the hoistway. The spring buffer load rating must be between:
A. 14,500 lb. and 21,750 lb.
B. 14,000 lb. and 21,000 lb.
C. 14,000 lb. and 21,500 lb.
D. 14,500 lb. and 21,000 lb.

A

B. 14,000 lb. and 21,000 lb.

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19
Q

An electric freight elevator has a rated speed of 500 ft/min, rated load of 5000 lb. and the car weighs 7000 lb. What is the maximum and minimum capacity of the oil buffer?
A. Maximum 12,000 lb. or less and minimum 5150 lb. or more
B. Since it is a freight elevator, only spring buffers are used.
C. Maximum 12,000 lb. or more and minimum 7150 lb. or less.
D. Maximum 12,150 lb. or more and minimum 5000 lb. or less.

A

C. Maximum 12,000 lb. or more and minimum 7150 lb. or less.

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20
Q

The minimum stroke of a buffer depends on the:
A. Rated load.
B. Weight of the counterweight.
C. Rated load plus the weight of the empty car.
D. Rated speed (or operating speed down for hydraulic elevator).

A

D. Rated speed (or operating speed down for hydraulic elevator).

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21
Q

The oil used in oil buffers must:
A. Be a good quality motor oil.
B. Be a good quality hydraulic oil with viscosity of at least 400 and viscosity index of 150.
C. Be a good quality gear oil.
D. Comply with the viscosity (at 100*F), viscosity index and pour point as shown on the buffer data plate.

A

D. Comply with the viscosity (at 100*F), viscosity index and pour point as shown on the buffer data plate.

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22
Q

The spring buffers should be located within:
A. Two in. of the car or counterweight centerline.
B. The car and counterweight frame.
C. The edges of the car platform and counterweight tie rods.
D. Five in. of the car or counterweight centerline.

A

A. Two in. of the car or counterweight centerline.

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23
Q

The spring buffers are mounted:
A. Directly on the pit floor.
B. On the buffer support channel.
C. On the buffer stand which is bolted to the pit channel.
D. On the buffer stand directly on the pit floor.

A

C. On the buffer stand which is bolted to the pit channel.

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24
Q

Where more than one spring or oil buffer is used under the car:
A. The sum of their load ratings must equal the rating shown on the layout drawing.
B. Each buffer load rating must be equal to that shown on the layout drawing.
C. The load ratings are not required to be equal.
D. There must be no more than two spring buffers.

A

A. The sum of their load ratings must equal the rating shown on the layout drawing.

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25
Q

To plumb the buffer piston or plunger means to:
A. Tap it lightly with a small hammer.
B. Install shims under the support to make the plunger straight up and down.
C. Align it with each other.
D. Drop a weight on it to test the compression.

A

B. Install shims under the support to make the plunger straight up and down.

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26
Q

The following information is not required on the data plate for oil buffer:
A. Buffer stroke.
B. Viscosity index of oil.
C. Maximum load rating.
D. Medium load rating.

A

D. Medium load rating.

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27
Q

The purpose of the governor tension sheave is to:
A. Cause the governor overspeed switch to operate.
B. Hold a tension on the governor rope and maintain its alignment.
C. Hold the elevator car when the governor trips.
D. Prevent operation of the car or counterweight safety.

A

B. Hold a tension on the governor rope and maintain its alignment.

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28
Q

Most car governor tension sheaves are mounted with a flat-iron bracket to the:
A. Counterweight guide rail.
B. Car guide rail.
C. Buffer support frame.
D. Hoistway wall.

A

B. Car guide rail.

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29
Q

Many modern tension sheaves have:
A. Sealed sleeve bearings.
B. Sealed roller bearings.
C. Requirements for weekly lubrication.
D. Sleeve bearings that do not require lubrication.

A

B. Sealed roller bearings.

30
Q

If the car governor tension sheave bracket is mounted to the wall, its measurement should be taken from the ______ to locate the bracket as shown on the layout drawing.
A. Counterweight guide rail face.
B. Car guide rail back.
C. Car guide rail side.
D. Car guide rail face.

A

D. Car guide rail face.

31
Q

When a plumb bob is dropped from the edge of the car frame closest to the governor tension sheave frame, the plumb line should clear the frame by at least:
A. 2 in.
B. 3 in.
C. 1/2 in.
D. 1 in.

A

D. 1 in.

32
Q

When the electrical contact on a jawless governor tension switch opens:
A. The elevator will not operate subsequent to its first stop.
B. The elevator will stop immediately.
C. The elevator will only operate at slow speed.
D. An alarm will sound on the car operating panel.

A

A. The elevator will not operate subsequent to its first stop.

33
Q

The primary purpose of the compensation rope tension sheave is to:
A. Align and maintain tension of the compensation ropes.
B. Support the elevator and counterweight.
C. Keep the counterweight within the guide rails.
D. Prevent collision between the car and counterweight.

A

A. Align and maintain tension of the compensation ropes.

34
Q

The compensation sheave is required to be equipped with a tie-down device to limit the jump of the car or counterweight on buffer engagement or application of safety for rated speeds:
A. of 700 ft/min (3.5 m/s) or more
B. More than 700 ft/min (3.5 m/s).
C. More than 800 ft/min (4 m/s).
D. Of 700 ft/min (3.5 m/s) or less.

A

B. More than 700 ft/min (3.5 m/s).

35
Q

The compensating sheave switch (or switches) must operate:
A. At the upper limit of travel
B. At the lower limit of travel
C. When the sheave vibrates
D. At both the upper and lower limit of travel

A

D. At both the upper and lower limit of travel

36
Q

The compensation sheave center is located:
A. Under the center of the car.
B. Under the center of the counterweight
C. From the lead of the compensating ropes from the car and counterweight.
D. At the edge of the counterweight guard.

A

C. From the lead of the compensating ropes from the car and counterweight.

37
Q

The diameter of the compensating sheave usually:
A. Is half the diameter of the drive sheave.
B. Spans the approximate horizontal distance between the car and the compensating rope hitches.
C. Is twice the diameter of the governor rope tension sheave.
D. Is as small as possible to take up less room in the pit.

A

B. Spans the approximate horizontal distance between the car and the compensating rope hitches.

38
Q

It is usually best for the lead from the ______ hitch to the compensating sheave to be plumb.
A. Counterweight
B. Car
C. Either car or counterweight
D. Neither car or counterweight

A

A. Counterweight

39
Q

Where tie down is used, the support for the assembly is usually two “I” beams secured in the building structure that often run from the front to the back of the hoistway. They are usually installed:
A. By the elevator technician.
B. By building contractor.
C. By elevator company personnel.
D. As part of the compensation sheave assembly.

A

B. By building contractor

40
Q

If a car loses traction when installing compensating chains to the counterweight, the Installation Manual recommends:
A. Installing the chains one at a time.
B. Installing them on the car first.
C. Discontinue installation, because this indicates that they are not needed.
D. Use smaller chains for the installation.

A

A. Installing the chains one at a time.

41
Q

The purpose of the selector rope or tape tension sheave is to:
A. Maintain tension of the selector rope or tape.
B. Prevent tension in the selector rope or tape.
C. Keep the selector tape or rope clean.
D. Guard the selector rope or tape

A

A. Maintain tension of the selector rope or tape.

42
Q

The selector tension sheave in the pit is needed:
A. With a car-to-car selector drive.
B. With a car to counterweight selector drive.
C. For all elevators.
D. Only for passenger elevators.

A

A. With a car-to-car selector drive

43
Q

The selector tension sheave bracket is usually attached to the:
A. Pit floor.
B. Hoistway wall.
C. Compensating channel or beams
D. Guide rails

A

A. Pit floor

44
Q

The broken rope or tape switch is usually located:
A. In the pit
B. On bottom of the car
C. In the machine room
D. At the selector tape or rope hitch point on the car top

A

D. At the selector tape or rope hitch point on the car top

45
Q

The selector tape or rope tension is maintained by the:
A. Tension sheave riding in rails or a spring at the lower car or counterweight connection.
B. Stretch of the rope or tape.
C. The selector mounting in the machine room.
D. A spring at the upper car connection.

A

A. Tension sheave riding in rails or a spring at the lower car or counterweight connection.

46
Q

When a fixed tape is used for the leveling system:
A. The tape is fastened to the hoistway wall, so rail alignment is not important.
B. The tape is fastened to the top of the hoistway and the pit floor, so rails may have dog-legs without adverse effect.
C. The tape is fastened to the rail at the top only and aligned with the car as it moves through the hoistway.
D. The top is fastened to the rails at both the top and bottom, and a tension spring is located at the bottom.

A

D. The top is fastened to the rails at both the top and bottom, and a tension spring is located at the bottom.

47
Q

The final terminal-stopping devices are located:
A. In the hoistway and operated by cams attached to the car.
B. In the machine room and operated by the selector.
C. Either in the hoistway or machine room.
D. Neither in the hoistway or machine room.

A

A. In the hoistway and operated by cams attached to the car.

48
Q

Final terminal-stopping devices are NOT required for:
A. Electric traction elevators
B. Freight elevators
C. Hydraulic elevators
D. Winding drum freight elevators

A

C. Hydraulic elevators

49
Q

The normal terminal-stopping device is located:
A. In the hoistway
B. In the machine room
C. Either in the hoistway or machine room
D. Neither in the hoistway or machine room

A

C. Either in the hoistway or machine room

50
Q

The normal terminal-stopping device:
A. Must be mechanically operated
B. May be operated mechanically or magnetically be optical or be solid-state devices.
C. Must be magnetically or optically operated
D. Must have both magnetic and optical operation.

A

B. May be operated mechanically or magnetically be optical or be solid-state devices.

51
Q

Emergency terminal-speed limiting devices are required:
A. For all elevators
B. For all elevators with rated speeds over 500 ft/min.
C. For all elevators with rated speeds over 1000 ft/min
D. For all elevators where reduced stroke buffers are used.

A

D. For all elevators where reduced stroke buffers are used.

52
Q

When spring buffers are used, the final limit switch must be positioned to operate:
A. Before the car contacts the buffer.
B. After the car contacts the buffer.
C. Six inches before the car contacts the buffer.
D. Before the normal limit operates.

A

A. Before the car contacts the buffer.

53
Q

The normal stopping means may serve as the normal terminal-stopping means for:
A. Electric elevators with rated speed of 200 ft/min or less
B. Electric elevators with rated speed of 150 ft/min or less.
C. Hydraulic elevators.
D. Winding drum elevators.

A

B. Electric elevators with rated speed of 150 ft/min or less.

54
Q

Winding drum machines used on freight elevators:
A. Do not require final limit switches.
B. The final limit switches are connected to cause the elevator to reverse directions.
C. Require the final limit switch to be located on the driving machine only.
D. Require final limit switches in both the hoistway and driving machine

A

D. Require final limit switches in both the hoistway and driving machine.

55
Q

ASME A17.1/CSA B44 requires a standard railing on the car top where the distance between the edges of the car top and the adjacent hoistway enclosure exceeds:
A. 1 ft. (300 mm.)
B. 200 mm. (7.9 in.)
C. 15 in. (381 mm.)
D. 350 mm. (13.8 in.)

A

A. 1 ft. (300 mm.)

56
Q

Where a safety railing is required, the upper surface shall be located at a vertical height between ____ and ____ from the car top.
A. (42 in.) 1,070 mm. and (43 in.) 1,095 mm.; with a toe board and intermediate rail.
B. (42 in.) 1,070 mm. and (43 in.) 1,095 mm.; with and intermediate rail and (6 in.) 150 mm. toe board.
C. 40 in. (1016 mm.) and 42 in. (1068 mm.); and there must be a toe board and intermediate rail.
D. 42 in. (1068 mm.) and 43 in. (1095 mm.); and a toe board but no intermediate rail.

A

A. (42 in.) 1,070 mm. and (42 in.) 1,095 mm.; with a toe board and intermediate rail.

57
Q

Power ventilation is required for:
A. All passenger elevators
B. All freight elevators that may carry solvents
C. Observation elevators that are exposed to direct sunlight
D. All observation elevators

A

C. Observation elevators that are exposed to direct sunlight

58
Q

The vertical sliding gate used on freight elevators is:
A. Counterbalanced
B. Counterweighted
C. Spring loaded
D. Pneumatically balanced

A

B. Counterweighted

59
Q

The operator for horizontal sliding car doors is mounted on the:
A. Hoistway wall
B. Car crosshead
C. Car top
D. Guide rail

A

C. Car top

60
Q

The top-of-car operating device must be mounted so that the ______ can be reached from the point of access.
A. Entire unit
B. Switch for switching to top car operation on inspection
C. Up and down buttons
D. Safety button

A

B. Switch for switching to top car operation on inspection

61
Q

The enable device on the top-of-car operator is:
A. Used to transfer control to the top-of-car operating device.
B. Usually a momentary pressure button.
C. Not required for rated speeds less than 100 ft/min.
D. A constant pressure device and usually a button.

A

D. A constant pressure device and usually a button.

62
Q

When power is removed from the retiring cam with the elevator stopped at a landing, the hoistway entrance door(s) are:
A. Locked at all landings
B. Secured to the car gate to operate together.
C. Are unlocked at all landings
D. Are unlocked at the adjacent landing only

A

D. Are unlocked at the adjacent landing only

63
Q

The car operating panel for a center-opening door may be mounted on:
A. The left side return panel facing the entrance only.
B. The right side return panel facing the entrance only.
C. The right or left return panel or both return panels.
D. Any place except the side of the elevator.

A

C. The right or left return panel or both return panels.

64
Q

The jamb markings indicating the floor are mounted on:
A. Both jambs with the centerline 60 in. (1525 mm.) above the floor.
B. On the strike jamb only with the centerline 60 in. (1525 mm.) above the floor.
C. Both jambs with the centerline at least 60 in. (1525 mm.) above the floor.
D. Both jambs with the centerline not more than 60 in. (1525 mm.) above the floor.

A

A. Both jambs with the centerline 60 in. (1525 mm.) above the floor.

65
Q

The emergency button at the bottom of the car operating panel:
A. Must be 35 in. (890 mm.) or more above the floor.
B. Not more than 35 in. (890 mm.) above the floor.
C. Exactly 35 in. (890 mm.) above the floor.
D. Positioned so that the top floor button is exactly 54 in. (1370 mm.) above the floor.

A

A. Must be 35 in. (890 mm.) or more above the floor.

66
Q

The hall directional lanterns are mounted:
A. Centered at least 72 in. (1830 mm.) above the floor.
B. Not more than 72 in. (1830 mm.) above the floor.
C. Approximately 72 in. (1830 mm.) above the floor.
D. At least 60 in. (1525 mm.) above the floor.

A

A. Centered at least 72 in. (1830 mm.) above the floor.

67
Q

The hall call station is mounted so that the:
A. Bottom button is at least 42 in. (1065 mm.) above the floor.
B. The centerline of the button is 42.5 (1080 mm.) or more above the floor.
C. The top of the button is greater than 42 in. (1065 mm.) above the floor.
D. Buttons and keypad is greater than 15 in. and less than 42 in. above the floor.

A

D. Buttons and keypad is greater than 15 in. and less than 42 in. above the floor.

68
Q
A
69
Q

If the car operating panel is mounted on the side, the top operating button must be: (refer to ICC/ANSI A117.1-2009)
A. At least 54 in. (1370 mm.) above the floor.
B. Equal to or less than 48 in. above the floor.
C. More than 48 in. above the floor.
D. Not more than 35 in. above the floor.

A

B. Equal to or less than 48 in. above the floor.

70
Q

If carpet is installed in elevator cars the maximum pile thickness to comply with ICC/ANSI A117.1-2009 must not exceed:
A. 1/4 in.
B. 3/8 in.
C. 5/8 in.
D. 1/2 in.

A

D. 1/2 in.

71
Q

According to ICC/ANSI A117.1-2009 the minimum acceptable time for elevator doors to remain open due to a car call is:
A. 5 seconds
B. 20 seconds
C. 10 seconds
D. 3 seconds

A

D. 3 seconds

72
Q

ICC/ANSI A117.1-2009 requires that automatic elevators be self-leveling to within ____ inch under all load conditions from zero to rated load.
A. 1/4
B. 3/8
C. 1/2
D. 3/4

A

C. 1/2

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