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Thermodynamics 1 (IPE) > Elements Test 1 > Flashcards

Elements Test 1 Flashcards

1
Q

Heating above the transformation range, usually 1300°F to 1350°F, and cooling slowly to soften the metal and increase in machining

A

Annealing

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2
Q

Heating above the transformation temperature and quenching usually in oil, for the purpose of increasing the hardness

A

Hardening

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3
Q

Reheating to a temperature below the transformation range, followed by any desired rate of cooling to attain the desired properties of the metal

A

Tempering

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4
Q

Heating to a subcritical temperature, about 1,100°F to 1,300°F and holding at that temperature for a suitable time for the purpose of reducing internal residual stresses

A

Stress Relieving

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5
Q

Heating to some 100°F above the transformation range with subsequent cooling to below that range in still air at room temperature to produce uniform structure of the metal

A

Normalizing

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6
Q

A machine tool used for producing holes in metal by the use of a cutting tool called drill

A

Drilling machine

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7
Q

A machine tool used to form metal parts by removing metal from a workpiece by the use of a revolving cutter with many teeth each tooth having a cutting edge which removes its share of the stock

A

Milling Machine

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8
Q

A machine tool used to sharpen or shape tools by using an abrasive wheel

A

tool grinder

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9
Q

A machine tools used to enlarge a hole by means of an adjustable cutting tool with only one cutting edge

A

boring machine

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10
Q

A machine tool used to cut metal parts of light, medium, and large sections using a reciprocating hacksaw blade

A

power saw

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11
Q

A machine tool used to machine flat or plane surfaces with a single point cutting tool

A

shaper

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12
Q

A machine tool used for production of flat surfaces on pieces too large or too heavy to hold in a shaper

A

planer

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13
Q

A machine tool used to finish internal or external surfaces, such as holes or keyways by the use of a cutter called a broach, which has a series of cutting edges or teeth

A

broaching machine

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14
Q

An alloy of copper and tin

A

bronze

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15
Q

An alloy of copper and zinc

A

brass

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16
Q

The process of forming metal parts by the use of dies after the metal is heated to its plastic range

A

rolling

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17
Q

The process of forming metal parts by the use of a powerful pressure from a hammer or press to obtain the desired shape, after the metal has been heated to its plastic range

A

forging

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18
Q

A manganese steel containing approximately 0.20% carbon

A

SAE 1320

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19
Q

A machine tool in which metal is removed by means of a revolving cutter with many teeth, each tooth having a cutting edge which remove its share of the stock

A

milling machine

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20
Q

A metal turning machine tool in which the work, while revolving on a horizontal axis, is acted upon by a cutting tool which is made to move slowly (feed) in a direction more or less parallel to the axis of the work (longitudinal feed)

A

lathe machine

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21
Q

A machine tool used in the production of flat surfaces on pieces too large or too heavy or, perhaps too awkward to hold in a shaper

A

planer

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22
Q

It consists of shaping a piece by bringing it into contact with a rotating abrasive wheel

A

grinding

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23
Q

A tool used in measuring diameters

A

caliper

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24
Q

Used to true and align machine tools, fixtures, and works, to test and inspect size trueness of finished work, and to compare measurements either heights or depths or many other measurements

A

dial indicator

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25
Q

The ability of metal to be deformed considerably without rupture

A

plasticity

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26
Q

The shop term used to include the marking or inscribing of center points, circles, arcs, or straight lines upon metal surfaces, either curved or flat, for the guidance of the worker

A

laying out

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27
Q

An operation of sizing and finishing a hole by means of a cutting tool having several cutting edges

A

reaming

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28
Q

The operation of making a cone-shaped enlargement of the end of a hole, as for a recess for a flat head screw

A

countersinking

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29
Q

The operation of enlarging a hole by means of an adjustable cutting tool with only one cutting edge

A

boring

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30
Q

An imaginary circle passing through the points at which the teeth of the meshing gears contact each other

A

pitch circle

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31
Q

A type of bolt intended for use in bolting wooden parts together or wood to metal. It has a short portion of shank just underneath a round head, which is designed to keep the bolt from turning in the wood when the nut is tightened

A

carriage bolt

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32
Q

The number of teeth per inch of pitch diameter and which gives some indications of the size of the gear teeth

A

diametral pitch

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33
Q

The distance from the center of one tooth of a gear to the center of the next consecutive tooth measured on the pitch

A

circular pitch

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34
Q

The portion of a gear tooth that projects above or outside the pitch circle

A

addendum

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35
Q

The portion of the gear tooth that is cut below the pitch circle and is equal to the addendum plus the clearance

A

dedendum

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36
Q

When meshed with a gear, it is used to change rotary motion to reciprocating motion

A

gear rack

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37
Q

A kind of gears used for heavy duty works where a large ratio of speed is required and are extensively used in speed reducers

A

worm gears

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38
Q

A kind of gears used to transmit motion from one shaft to another shaft at an angle to the first

A

bevel gears

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39
Q

The uniform heating of steel above the usual hardening temperatures, followed by coolong freely in air

A

normalizing

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40
Q

The operation of cooling a heated piece of work rapidly by dipping it in water, brine or oil

A

quenching

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41
Q

A method used in softening a piece of metal that is too hard to machine and is done by heating steel slowly above the usual hardening temperature, keeping it at the heat for 1/2 to 2 hours, then cooling slowly, preferably in a furnace

A

annealing

42
Q

The total permissible variation in the size of a dimension; the difference between the limits of size

A

tolerance

43
Q

The operation of machining the end of a workpiece to make the end square with the axis

A

squaring

44
Q

The clearance between the tooth profiles of a gear tooth

A

backlash

45
Q

A mechanism which usually do the indexing in a machine tool

A

dividing head

46
Q

A material that can wear away a substance softer than itself

A

abrasive

47
Q

A cylindrical bar of steel with threads formed around it and grooves or flutes running lengthwise in it, intersecting with the threads to form cutting edges. It is used to cut internal threads

A

tap

48
Q

A set of gages consisting of thin strips of metal of various thickness mounted in a steel case or holder and is widely used for measuring and checking clearances

A

feeler gage

49
Q

A machine tool which is very similar to a shaper except that the ram reciprocates vertically rather than horizontally

A

slotter

50
Q

A machine tool used principally to machine flat or plane surfaces with single-point cutting tool

A

shaper

51
Q

A kind of bolts which has no head an instead has threads on both ends

A

stud bolts

52
Q

A kind of chuck which has reversible jaws which coukd be adjusted separately

A

independent chuck

53
Q

A tool which when pressed into a finished hole in a piece of work, provides centers on which the piece may be turned or otherwise machined

A

mandrel

54
Q

A kind of chuck which should not be used where extreme accuracy is required

A

universal chuck

55
Q

The process of checking or producing checkers on the surface of a piece by rolling checkered depressions into the surface

A

knurling

56
Q

It fits into the main spindle of a lathe and is so called because it acts as a bearing surface on which the work rests. It revolves with the work. When compared with the hardness of the dead center in the tailstock, it is usually soft, and is so made since it does no work

A

live center

57
Q

A gripping device with two or more adjustable jaws set radially

A

chuck

58
Q

Steel balls for ball bearings are manufactured by

A

cold heading

59
Q

Addendum of a cycloidal gear tooth is

A

epicycloids

60
Q

In a lathe, it comprises the main spindle, the necessary mechanism for obtaining the various spindle speed and also certain gears which are used to operate the quick-change gear mechanism

A

headstock

61
Q

The process of heating a piece of steel to a temperature within or above criticak range and cooling rapidly

A

hardening

62
Q

Welding operation in which a non-ferrous filler metal melts at a temperature below that of the metal joined but is heated above 450C

A

brazing

63
Q

Uniting two pieces of metal by means of a different metal which is applied between the two in molten state

A

soldering

64
Q

Fusion process in which the metal is heated into a state of fusion permitting it to flow together into a solid joint

A

electric arc welding

65
Q

Joining metal by means of high current at low voltage. During the passage of current, pressure by the electrodes produces a forge weld

A

resistance welding

66
Q

A device for accurately measuring diameters

A

micrometer

67
Q

A group of thin steel strips for measuring clearances

A

feeler gage

68
Q

A hand tool used to measure engine crank web deflections

A

distortion gage

69
Q

A hand tool used to measure tension on bolts

A

torque wrench

70
Q

The permissible variation in the size of a dimension; the difference between the limits of size

A

tolerance

71
Q

A gear with teeth on the outer cylindrical surface

A

external gear

72
Q

The diameter of a circle coinciding with the top of the teeth of an internal gear

A

internal diameter

73
Q

A circle coinciding with a tangent to the bottom of the tooth space

A

root circle

74
Q

The total depth of a tooth space, equal to addendum plus dedendum

A

whole depth

75
Q

The depth of tooth space below the pitch circle

A

dedendum

76
Q

The of gear teeth to each mm pitch diameter

A

diametral pitch

77
Q

A machine tool in which abrasive wheel is used as cutting tool to obtain a very smooth finish

A

grinder

78
Q

It is used to produce a variety of surfaced by using a circular-type cutter with multiple teeth

A

milling machine

79
Q

It is used principally to machine flat or plane surfaces with a single- point tool

A

shaper

80
Q

Cutting a hole by means of rotating tool or the work may revolve and to the tool remain fixed as in the lathe

A

boring

81
Q

One of the following is not a tap used for cutting threads in holes

A

tapping tap

82
Q

An index or dividing head

A

used to rotate the work

83
Q

Galvanized iron is a term referring to iron coated with

A

zinc

84
Q

The moment of inertia of a rectangle whose base is “b” and height “h” about its base is

A

bh^3 / 3

85
Q

In usual spur gearing

A

tooth outline are usually involute curves

86
Q

A stainless steel is obtained principally by the use of the following alloying element

A

Chromium

87
Q

One of the following is not a common term relating to the classification of fits

A

bound

88
Q

Hearingbone gears are gears which

A

have a line of contact between the teeth

89
Q

Internal stresses existing in a welded connection

A

are not relieved when the weld is peened

90
Q

In general the design stress and factor of safety are related as follows

A

Design stress = ultimate stress divided by factor of safety

91
Q

A group of thin steel strips for measuring clearances

A

feeler gage

92
Q

A hand tool used to measure tension on bolts

A

torque wrench

93
Q

A material that can wear away a substance softer than itself

A

abrasive

94
Q

The material used in high speed processes

A

high speed steel

95
Q

An alloy of copper and zinc

A

brass

96
Q

An alloy of copper, tin and small amount of phosphorus

A

bronze

97
Q

The process of working metals by the application of sudden blows or by steady pressure

A

forging

98
Q

A welding operation in which a non-ferrous filler metal melts at a temperature below that of the metal joined but is heated above 450°C

A

brazing

99
Q

The operation of cooling a heated piece of work rapidly by dipping it in water, brine or oil

A

quenching

100
Q

A machine tool used to machine flat surfaces

A

shaper

Thermodynamics 1 (IPE) (3 decks)

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