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volume 22w2
  • Zion W

  • 問題数 100 • 3/25/2024

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    問題一覧

  • 1

    when drafting, you will get the best results on the original equipment for

    Comfort

  • 2

    This is one type of eraser for use for drafting

    Art gum

  • 3

    The purpose of an engineers or architect scale is for you to

    Reduce or enlarge drawings based on scale

  • 4

    Which tool is used to transfer measurements and distances

    A divider

  • 5

    This type of drawing line defines the in limits of an edge or surface to which a measurement applies

    Extension

  • 6

    these types of represents the axis of symmetrical parts, and serve as extension lines for holes and other features

    Centerlines

  • 7

    you are going to draw an object and realize that even though it is uniform, and length it is too long for the print to correct this issue select

    A brake line

  • 8

    this type of dimensioning system uses distances, size and locations taken from parallel or perpendicular reference lines

    Rectangular dimensioning

  • 9

    One rule to remember when dimensioning drives is that they were all read from the

    Bottom

  • 10

    when dimensioning a series of concentric circles, always read the dimensions using this method

    Same direction

  • 11

    when you show counter dimensions, worship the size and location of the hose be shown

    Where the contours views appear

  • 12

    A beveled, external edge and contour dimensioning is also known as

    Chamfer

  • 13

    The rule for using a dimension tolerance with a two place X.XX decimal is

    0.010 inch

  • 14

    for angular dimensions were no tolerance is given hold the angle to the nearest

    Half degree

  • 15

    there are limits to tolerance accuracy, when dimensioning .unilateral tolerance means that

    Part tolerance is in One Direction

  • 16

    You attach a tail to the welding symbol, reference line to provide information about the

    Welding process

  • 17

    Waring, give all necessary information for a print specifically welding symbols give the

    Type of weld and welding contour

  • 18

    which computer, aided design, CAD line tool creates lines that are parallel to existing lines

    offset lines

  • 19

    This computer added it design CAD is used to delete unwanted geometry

    Clip

  • 20

    Which type of blueprint notes applies directly to a particular portion of the drawing

    Local notes

  • 21

    When working with a drawing that has overall dimensions, but no specific dimensions you are probably using

    An assembly drawing

  • 22

    what results from using heavy coating of layout dye on your machine workout piece

    ragged and uneven lines

  • 23

    when performing player operations in the welding shop you will select a

    soapstone for rough work

  • 24

    After performing a welding or cutting operation layout

    Use soapstone to mark it with the time and the word hot

  • 25

    When trying to perform a layout operation on a round stock to keep it from rolling, use a

    A V block

  • 26

    When performing layout operation with a scribe make sure you are

    Using only one thin line per mark to prevent blurring

  • 27

    All of these accessories are used with a steel rule except the

    Indexing clamp

  • 28

    Designing and manufacturing , non-ferrous tool material include

    tungsten in carbide form

  • 29

    Which is a defect, found in tools, manufactured with low-grade steel

    Uneven, tensile strength

  • 30

    This statement is correct, regarding jig and fixture guides

    a jig guides the cutting tool and a fixture does not

  • 31

    Will you position locating points on a jig or fixture place them so that each

    Workpiece is held in the same position

  • 32

    Which type of jig is least expensive and use for only limited production

    Template jig

  • 33

    Which type of fixture helps you to machine your part for short runs or low production jobs

    aluminum auxiliary vice jaws

  • 34

    This is the most versatile type of fixture construction

    Built up construction

  • 35

    when using locating principles construct jigs and fixtures

    Locate with three points on the base to keep the part from rocking

  • 36

    Which dime manufacturing process produces metals to farm shapes or relief markings

    Coining

  • 37

    which type of fit is used for perm mining movement between matting parts, and a running or a sliding fit

    Clarence

  • 38

    this type of fit is used for assembling and disassembling stationary parts is locational

    Interference

  • 39

    Which type of fit would you select to assemble a flywheel and ring gear?

    FN5

  • 40

    When using liquid nitrogen for a shrink fit skin content with the liquid nitrogen will cause

    Cause, severe cold burns

  • 41

    The main purpose of using lubricants and shot machinery is to

    reduce friction between moving parts

  • 42

    Which type of operation must a machine overcome to keep a surface in motion

    Static

  • 43

    The tendency of an oil to resist flow is known as is

    Viscosity

  • 44

    Cutting fluid extracted from petroleum are classified as

    Mineral oils

  • 45

    when disadvantage of using organic emulsions in cutting fluids is they

    Become rancid overtime

  • 46

    Which type of cutting fluid would be best to use in high temperature grinding operation

    Synthetic

  • 47

    in a machining operation with magnetism MG casting work piece you would select a cutting oil that

    Does not contain water

  • 48

    this is the purpose of flexible air located on the head of a counter machine

    Keep layout lines free from chips

  • 49

    When shifting between the high and low ranges on a contour machine, you must always reduce the transmission speed to below

    50 feet per minute

  • 50

    Which part of a contour machine saw band provides ship clearance and it helps remove ships from the saw

    Gullet

  • 51

    What is known as a set of counter machines saw band

    Total amount of teeth are offset

  • 52

    You set the gap on the contour machine saw guys by using

    A gage to set the guides

  • 53

    when using the contour machine, this causes excessive wear on the idler and drive wheels

    Tension

  • 54

    on a contour machine, a heavy feed pressure is best when selling

    metals that do not dissipate heat rapidly

  • 55

    which type of band would you use for straight sawing operations on a contour machine?

    widest available

  • 56

    you must consider these factors when selecting a saw band for contour sawing

    smallest radius to be cut and material thickness

  • 57

    To perform contour machine, angular saw operations mount the lower, saw guides in the keeper blocks lower set of holes when the table is tilted more than

    20°

  • 58

    How are the V belts adjusted on the contour machine? Drive motors?

    Increase the counter balance

  • 59

    Rotating the switch cut off adjustment on a contour machine saw band welder, affects the

    Weld timing

  • 60

    Compared to a contour machine cut off equipment is different because you cannot

    Cut intricate shapes

  • 61

    to prevent Coolidge stoppage during cut off equipment, operation

    Clean the coolant filter

  • 62

    One difference between contour machines saw, bands, and horizontal cut off, saw bands is the

    gage is thicker on the cut off saw bands

  • 63

    if you notice the saw band on the horizontal cut off machine, it’s not cutting parallel to the workpiece axis, correct the problem by

    Adjusting the saw band guides

  • 64

    To achieve a vertical when operating a horizontal band saw

    Adjust the band guides as close as possible

  • 65

    The holddowns or clamps on a universal, punching and sharing machine

    Prevent material kickback

  • 66

    When making multiple notching, because on the universal punching and sharing machine, the blaze should be lubricated

    Every 10 to 15 cuts

  • 67

    One advantage of using a manufactured blasting abrasive instead of natural abrasives, is they

    Fracture at a controlled rate

  • 68

    This is an excellent blasting, abrasive medium for paint removal

    Plastic particles

  • 69

    if you must remove a carbon scale deposit from an intricate titanium, casting, selectcthese type of blasting abrasives

    Organic abrasive

  • 70

    You must replace the nozzle on a media blasting machine when

    The outlet is worn to one 1 1/2 times its original size

  • 71

    which factor is determine the nozzle pressure when performing abrasive blasting

    Medium type and material thickness

  • 72

    why do you mask components before a abrasive blasting

    Prevent media penetration

  • 73

    when setting strap clamps during a drilling operation, you must ensure the

    clamps do not interfere with the cutting tools reaching the surface

  • 74

    When clamping a workpiece in a drill press vice while performing drilling operations, you must support it on parallels to

    keep from drilling holes

  • 75

    if you are performing a drilling operation on something cylindrical, such as a piece of round stock

    use V blocks to support the workpiece

  • 76

    How do you keep the work piece from climbing up the drillbit as an emerges through the work during drilling operations?

    Reduce the feed pressure

  • 77

    When performing a drilling operation, select a pilot drill with a diameter that is

    Slightly larger than the web thickness of the next drill use

  • 78

    which tool would you select to precisely transfer holes for drilling?

    transfer punch

  • 79

    To keep chips from becoming dangerously long during a drilling operation

    Interrupt the feed regularly

  • 80

    what should you ensure the shop location allows when installing a radio press to perform drilling operations

    Arm is able to achieve a 360° swing

  • 81

    before you raise or lower a radio press that has been idle for a couple days

    clean the column and apply a fresh oily film

  • 82

    How can you keep from marring the surface when press fitting a work piece while using the hydraulic arbor press?

    Place a soft metal shim between the ram and work

  • 83

    To prevent seizing between mated parts, being forced fitted by a hydraulic arbor press

    Lubricate the parts

  • 84

    The only way to accurately determine the amount of pressure exerted by hydraulic arbor press is to

    Consult the operators manual

  • 85

    you see the letter V designated in grinding wheel marking a 60 – LS – V11 this is what is indicated about the wheel

    Bond type

  • 86

    This is the most common type of abrasive you will use in a grinding wheel

    Aluminum oxide

  • 87

    The main difference in using silicon, carbide and aluminum oxide abrasive is silicon carbide abrasives are

    Harder and fracture more easily than aluminum oxide

  • 88

    To grind hard brittle materials and obtain a fine finish select a grinding wheel that has

    A fine grain size

  • 89

    How do you inspect a grinding wheel for cracks after their selection for an operation?

    Type it with a non-metallic screwdriver handle

  • 90

    The purpose of dressing, a grinding wheel is to

    Improving cutting action

  • 91

    this is the most efficient type of grinding will dresser for truing wheels used to perform precision grinding

    Diamond dresser

  • 92

    how are all grinding wheels stored?

    In a dry place

  • 93

    when grinding drill points never raise the shank higher than a cutting edge while grinding or you will

    Grind a negative relief angle on the cutting edge

  • 94

    On a pedestal grinder this maximum distance must be maintained between the grinding wheel face and tool rest

    1/8 inch

  • 95

    when a belt sender is used, sharp corners are prevented from tearing the belt by

    Bringing them in contact with the belt lightly

  • 96

    this part of the belt sander provides a large surface behind the sanding belt for a flat grinding

    back up planten

  • 97

    This is the most common abrasive water jet in use today

    Garnet

  • 98

    generally, when a water jet is programmed for cutting thicker and harder materials, the feed rate will

    Be slower

  • 99

    prevent uneven wear on water jet machines mixing tube by

    Rotating the mixing tube regularly

  • 100

    What should be done if the high-pressure fittings on a water jump machine are not getting a good seal

    Check for scratches, a bend or debris