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CET Study Cards > Course 1: Unit 3 > Flashcards

Course 1: Unit 3 Flashcards

1
Q

The term “dikes” is the :
A. Slang name for needle nose pliers
B. Slang name for diagonals used for cutting small wire
C. The slang term use for stopping oil leakage
D. The slang term use for electrician pliers

A

B. Slang name for diagonals used for cutting small wire

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2
Q

The three types of wrenches are:
A. Open-end, box end and double open end
B. Open-end, box end and double box end
C. Open-end, combination and box end
D. Box end, combination and socket

A

C. Open-end, combination and box end

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3
Q

Adjustable end wrenches (crescent) are used for:
A. High torque bolts and nuts
B. Work in close quarters
C. Miscellaneous tasks such as oil check plugs, inspection covers and sheet metal bolts
D. Loosing bolt and nuts only

A

C. Miscellaneous tasks such as oil check plugs, inspection covers and sheet metal bolts

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4
Q

Torque wrenches are:
A. Not needed for elevator work
B. Seldom needed for elevator work
C. Required where the torque is critical and often specified by the manufacturer
D. Useful but not necessary

A

C. Required where the torque is critical and often specified by the manufacturer

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5
Q

The units of torque in measurement are:
A. In-lbf, ft-lbf, N-m and sometimes Kg-m
B. In-lbf and kinetic energy
C. Ft/lb, in/lb and N/m
D. Lbf, Kgm and gravity

A

A. In-lbf, ft-lbf, N-m and sometimes Kg-m

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6
Q

If a force of 20 lbf is placed on the end of a wrench that is 1.5 feet long a torque of ______ would develop.
A. 30 ft-lbf
B. 40 ft-lbf
C. 20 ft-lbf
D. 15 ft-lbf

A

A. 30 ft-lbf

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7
Q

Pipe wrenches are designed to be used on:
A. Hex or square nuts without damaging the nuts
B. Round surfaces such as pipe and fitting by gripping and cutting into the surface
C. On any surface and shape
D. On chrome-plated fittings

A

B. Round surfaces such as pipe and fitting by gripping and cutting into the surface

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8
Q

Hex wrenches, often called “allen” wrenches are available in:
A. Imperial sizes only
B. Metric sizes only
C. Both imperial and metric sizes
D. Only in imperial sizes over 1/4 inch

A

C. Both imperial and metric sizes

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9
Q

The maintenance technician should carry tools in:
A. Their pockets
B. Tool belt
C. Tool case (box) or hand-held tool pouch
D. Should not need to carry any tools

A

C. Tool case (box) or hand-held tool pouch

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10
Q

The danger in using a mushroom punch or chisels in that:
A. They are hard to hold
B. Pieces may break off when struck and become imbedded in the skin
C. They do not look professional
D. They are a sign of hard work

A

B. Pieces may break off when struck and become imbedded in the skin

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11
Q

A screwdriver is designed and intended to be used:
A. To turn screws only
B. As a combination tool to turn screws, a pry bar and a chisel
C. Primarily to turn screws but as a pry bar and chisel if necessary
D. Primarily as a pry bar but may be used to turn screws

A

A. To turn screws only

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12
Q

If the correct tools for the job are not on hand, the technician should:
A. Make do and get the job running then come back and fix it right later
B. Obtain the correct tool and fix it right the first time
C. Make the best repairs possible with the available tool and wait until it fails again to fix it right
D. Any of the above

A

B. Obtain the correct tool and fix it right the first time

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13
Q

When using electric power tools:
A. GFCI protection is required
B. GFCI protection is recommended
C. GFCI protection is required except for double insulated tools
D. GFCI protection is not required for three wire cords and plugs

A

A. GFCI protection is required

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14
Q

The door force gage is used to:
A. Measure the kinetic energy of the door in ft-lbf
B. Measure the door closing force while the door is moving
C. Not used on horizontal sliding doors
D. Measure the door closing force after the door has stopped between 1/3 and 2/3 of its travel

A

D. Measure the door closing force after the door has stopped between 1/3 and 2/3 of its travel

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15
Q

The three types of wire rope cutters are:
A. Impact, hammer and torch
B. Impact, shear and saw
C. Impact, hydraulic and torch
D. Impact, shear and hydraulic press

A

D. Impact, shear and hydraulic press

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16
Q

Bearing heaters used to heat bearing for a shrink fit on shafts operate by:
A. Inducting electric eddy current into the bearing
B. Direct contact heating
C. Blowing hot air on the bearing
D. Impinging a flame on the bearing

A

A. Inducting electric eddy current into the bearing

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17
Q

When welding on any elevator part on which the support of the elevator is dependent:
A. The welding must be done by a person that is qualified by ASME
B. The welding must be done by a person that is qualified by AWS
C. The welding must may be done by the best welder in the company
D. The welding design must be performed by a professional engineer and the welder meet the qualification in the design

A

D. The welding design must be performed by a professional engineer and the welder meet the qualification in the design

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18
Q

Empty acetylene and oxygen cylinder are marked:
A. Do not use
B. MT
C. Used
D. Return to fill station

A

B. MT

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19
Q

Digital multimeter with auto ranging is set on the Ω scale and has a reading of MΩ. This indicate a resistance of:
A. 2,000,000 ohms
B. 0.000,000,2 ohms
C. 2,000 ohms
D. 2 ohms

A

A. 2,000,000 ohms

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20
Q

A digital tachometer:
A. Is the best for all jobs
B. Cannot be used to check/set governor tripping speed
C. Should never be used
D. Must have their reading converted from rpm to ft/min

A

B. Cannot be used to check/set governor tripping speed

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21
Q

Pressure gauges should have a maximum range equal to approximately:
A. The maximum pressure to be measured
B. Twice the pressure to be measured
C. Three times the pressure to be measured
D. At least equal to the pressure to be measured

A

B. Twice the pressure to be measured

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22
Q

Pressure gauges used to check the working pressure and relief valve setting on hydraulic elevators must:
A. Be liquid filled or have an inline snubber and have calibration checked at least annually
B. Have very large needle and dials and calibration checked before each use
C. Have digital gauges only
D. Have a quick connection coupling installed

A

A. Be liquid filled or have an inline snubber and have calibration checked at least annually

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23
Q

A scale used for measuring brush force reads 2 lbf. 8 oz. The brush is 1-1/4 inches wide and 1/2 inch thick. What is the brush pressure?
A. 3 psi
B. 4 psi
C. 5 psi
D. 6 psi

A

B. 4 psi

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24
Q

A dynamometer is used to measure:
A. Dynamics of the elevator system
B. Governor tripping speed
C. The traction drive system
D. Governor rope pull through force

A

D. Governor rope pull through force

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25
Q

What type of fire extinguisher is required to be readily accessible where welding is being performed?
A. ABC type minimum 2A:20BC rating
B. AB type minimum 2A:20B rating
C. Type ABC minimum 4A:40BC rating
D. Type C minimum 20 BC rating

A

A. ABC type minimum 2A:20BC rating

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26
Q

When melting babbitt the following equipment may be used:
A. An electric heating pot especially designed for the purpose
B. A propane heating pot especially designed for the purpose
C. A blow torch or acetylene torch
D. Any of the above

A

A. An electric heating pot especially designed for the purpose

27
Q

When a power forklift truck is used, the operator must:
A. Have a state commercial drivers license
B. Have training in the use of gasoline powered equipment
C. Be a member or the riggers union
D. Have training in the proper use of the equipment and know its capacity

A

D. Have training in the proper use of the equipment and know its capacity

28
Q

Security and protection of elevator equipment stored at the jobsite is the responsibility of:
A. The general contractor
B. The local elevator inspector
C. The architect/engineer
D. The elevator superintendent and every elevator person (technicians, helpers and supervisors) working on the job

A

D. The elevator superintendent and every elevator person (technicians, helpers and supervisors) working on the job

29
Q

A digital multimeter specification indicates that if it is true RMS:
A. It will provide and accurate reading of voltage and current only for those with sinusoidal wave form
B. It will provide accurate voltage and current reading only for DC power (relative means squared)
C. It will provide accurate voltage and current readings for any AC wave form
D. It should only be used for testing variable frequency drives

A

C. It will provide accurate voltage and current readings for any AC wave form

30
Q

A hammer drill with a carbide bit is used for:
A. Sawing tile and plaster
B. Drilling masonry such as concrete or bricks
C. Drilling steel
D. Drilling wood

A

B. Drilling masonry such as concrete or brick

31
Q

A spirit level accuracy can be checked by:
A. Turning it over and shaking it
B. Rotating it 90 degrees on any smooth surface that is close to level
C. Rotating it 180 degrees on any flat surface
D. Rotating it 180 degrees in any smooth surface that is near level

A

C. Rotating it 180 degrees on any flat surface

32
Q

Instruments for measuring acceleration, deceleration, jerk and speeds.
A. Are intended only for use by engineers and inspectors
B. Are too delicate for the elevator technician to use
C. Are very helpful instruments for the elevator technician to use in adjusting and diagnosing problems
D. Generally not helpful for use on elevators or escalators

A

C. Are very helpful instruments for the elevator technician to use in adjusting and diagnosing problems

33
Q

The “Design Factor” when used for wire rope slings is:
A. The maximum strength of rope
B. Ratio of nominal strength to total working load of rope
C. Ratio or working load divided by five
D. The minimum strength of the rope

A

B. Ratio of nominal strength to total working load of rope

34
Q

Mousing is:
A. Closing the open hook (hook without a safety latch) with annealed wire
B. Closing the sling opening with annealed wire
C. Securing the wire rope ends to prevent unraveling
D. Eradication of mice at the work site

A

A. Closing the open hook (hook without a safety latch) with annealed wire

35
Q

A tagline is used to:
A. Tag the load for identification
B. Guide the load and prevent its rotation
C. Tie the load in the sling
D. Tag and hold the load if the sling fails

A

B. Guide the load and prevents its rotation

36
Q

The length of a rope lay is:
A. The total number of turns in a rope
B. The total number of strands in a rope divided into the total length
C. The number of wires in each strand
D. The distance along the axis of a rope for one strand to complete a circle of the rope

A

D. The distance along the axis of a rope for one strand to complete a circle of the rope

37
Q

To reeve is to:
A. Run the engine or motor very fast without a load
B. Lower the load very fast
C. Raise the load very fast
D. Pass a rope through a hole or around a system of sheaves

A

D. Pass a rope through a hole or around a system of sheaves

38
Q

A wire rope used in hoisting has broken wires randomly distributed through the strands. What is the maximum allowable number of broken wires per rope lay?
A. 7
B. 10
C. 5
D. 6

A

D. 6

39
Q

A 1/2 inch fiber core wire rope is fastened to the hitch point by knotting. The best knot to use is:
A. Square knot
B. Inside bowline knot
C. Timber hitch
D. No wire rope shall not be fastened by knotting

A

D. No wire rope shall not be fastened by knotting

40
Q

What type of knot is required to secure a manila rope to a hook?
A. Figure eight
B. Bowline
C. Clove hitch
D. Catspaw

A

D. Catspaw

41
Q

A wire rope sling has had the marking obliterated. Before using the technician shall:
A. Check with the supervisor/manager
B. Not use the sling
C. Re-mark the sling with a permanent marker
D. Call the sling manufacturer

A

B. Not use the sling

42
Q

When using a wire rope sling, the D/d ratio is:
A. The ratio of the diameter of the object that the wire rope is around to the diameter of the wire rope.
B. The ratio of the diameter of the wire rope to the diameter of the object that the wire rope is around.
C. The ratio of the diameter of the rope to the diameter of the hook.
D. The ratio of the distance of the object from the hook to the distance of multiple hooks from each other.

A

A. The ratio of the diameter of the object that the wire rope is around to the diameter of the wire rope.

43
Q

When using a “choker hitch”, the sling is:
A. Wrapped around the load like a noose
B. Always wrapped around the load twice
C. Always wrapped around the load three times
D. Both loops of the sling are attached to the hook

A

A. Wrapped around the load like a noose

44
Q

Wire rope slings are made from:
A. Bright improved plow steel or extra improved plow steel or extra extra improved plow steel
B. Malleable iron or extra improved malleable iron
C. Phosphors Bronze or extra extra phosphors bronze with tiller rope construction
D. Improved tungsten carbide steel

A

A. Bright improved plow steel or extra improved plow steel or extra extra improved plow steel

45
Q

The initials “IWRC” when describing a wire rope sling stand for:
A. Improved wire rope construction
B. Independent wire rope construction
C. Independent wire rope core
D. Improved wire rope control

A

C. Independent wire rope core

46
Q

Which of the following markings is not required on a metal mesh fabric sling:
A. Name or trademark of the manufacturer
B. Rated load for the type of hitch and the angle which it is based on
C. Rated load for the type of hitch regardless of the angle
D. Width and gage

A

C. Rated load for the type of hitch regardless of the angle

47
Q

The person using a metal mesh sling must inspect it:
A. Daily
B. Each day it is used
C. Weekly
D. At least three times a day

A

B. Each day it is used

48
Q

How many broken wires in a metal mesh sling requires that it be removed from service?
A. 2
B. 3
C. 4
D. 1

A

D. 1

49
Q

When chain hoists are used they must be inspected:
A. Before each use
B. Weekly
C. Monthly
D. Semiannually

A

A. Before each use

50
Q

Repairs to chain hoist can only be made by:
A. The supervisor/manager
B. The person that will be under the load being lifted
C. Authorized representative of the chain manufacturer
D. Authorized representative of the chain hoist manufacturer

A

D. Authorized representative of the chain hoist manufacturer

51
Q

If a rope sling is wrapped around a small diameter, the D/d ratio will be low (less than 24) and the rated capacity of the sling will be:
A. Unchanged
B. Increased because of the friction between the rope and object
C. Reduced by only 20%
D. Reduced by only 50% or more depending on the D/d ratio

A

D. Reduced by only 50% or more depending on the D/d ratio

52
Q

The “proof test” of a sling:
A. Is a test to prove the manufacture of the sling
B. Is a destructive tension test to verify performance and workmanship of the sling that is performed by the manufacturer or equivalent entity
C. Is performed each time the sling is used
D. Is a nondestructive tension test to verify performance and workmanship of the sling that is performed by the manufacturer or equivalent entity

A

D. Is a nondestructive tension test to verify performance and workmanship of the sling that is performed by the manufacturer or equivalent entity

53
Q

Shackles are used to:
A. Connect the load to the sling or lift line
B. Prevent movement of the load
C. Lock the mainline disconnect closed
D. Prevent loosening of the sling

A

A. Connect the load to the sling or lift line

54
Q

When “eye bolts” are used for connecting to a load, the sling shall pull:
A. Vertical directly up from the load so that there is not a bending force on the bolt
B. To either side of the load tending to bend the bolt and increase their holding ability
C. Always lifted from an angle
D. At a lifting angle less than 45 degrees

A

A. Vertical directly up from the load so that there is not a bending force on the bolt

55
Q

Natural and synthetic fiber ropes are allowed to be used for:
A. Lifting any load
B. Lashing, tackle, tag lines, straps and light loads
C. Only where block and tackle are used
D. Only for lifting light fixtures overhead

A

B. Lashing, tackle, tag lines, straps and light loads

56
Q

Of the two types of natural fibers used in ropes (sisal and manila):
A. Both have equal strength and appearance
B. Sisal is weaker and whitish in color while manila is light yellow to cream color
C. Sisal is stronger than manila
D. Both can be used

A

B. Sisal is weaker and whitish in color while manila is light yellow to cream color

57
Q

If a hook has a damaged, broken or missing safety latch:
A. It can be used temporarily if the open end is moused after the load is attached
B. It must be immediately discarded in all cases
C. It can be used permanently if the open end is moused after the load is attached
D. It can only be used if there is no danger of the load slipping off

A

A. It can be used temporarily if the open end is moused after the load is attached

58
Q

Plungers for hydraulic elevators if not properly stored:
A. Are subject to permanent damage from water
B. Are not subject to permanent damage from water
C. Should be allowed to accumulate a light coat of rust
D. Are sent to the job fully assembled

A

A. Are subject to permanent damage from water

59
Q

When unloading guide rails it is best to store them:
A. So that all the grooved ends are together
B. Alternate ends facing the hoistway
C. The direction of storage is not important
D. Inside the hoistway

A

B. Alternate ends facing the hoistway

60
Q

The elevator technician should store the elevator equipment:
A. In a place hidden from others
B. In the designated location for security and protection from weather
C. Any place they like
D. Only in the elevator machine room and hoistway

A

B. In the designated location for security and protection from weather

61
Q

If cribbing is needed for storage materials:
A. The cribbing should be as little as possible
B. Sufficient for adequate bracing and support for safety
C. Should not be used
D. Should be taken from crates of other trades

A

B. Sufficient for adequate bracing and support for safety

62
Q

When a job is completed the excess left over material:
A. Must remain at the jobsite
B. Must be returned to company storage or another jobsite
C. Remains on the jobsite but the tools must be returned
D. Must be given to other trades that may have a use for it

A

B. Must be returned to company storage or another jobsite

63
Q

When material is delivered:
A. It must be inventoried and shortages noted
B. Inventory is not necessary since the truck driver is responsible
C. Inventorying is too complicated and time consuming especially when additional material can be ordered
D. The inventorying task should be left to the helper

A

A. It must be inventoried and shortages noted

CET Study Cards (11 decks)

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