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Thermodynamics 1 (IPE) > Elements Test 2 > Flashcards

Elements Test 2 Flashcards

1
Q

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

A

grinder

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2
Q

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

A

milling machine

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3
Q

A heavy rotating body which serves as reservoir for absorbing and redistributing kinetic energy

A

flywheel

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4
Q

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

A

worm gear

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5
Q

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

A

bevel gear

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6
Q

The minimum thickness of steel members exposed to weather and accessible for painting is

A

10 mm

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7
Q

The common deoxidizer and cleanser of steel, forming oxides and sulfates, that are carried off in the slag

A

manganese

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8
Q

A highly transparent and exceedingly hard crystalline stone of almost pure carbon

A

diamond

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9
Q

A fine grained, salty silica rock used for sharpening edge tools

A

oilstone

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10
Q

An amorphous solid made by fusing silica with a basic oxide

A

glass

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11
Q

A soft yellow metal, known since ancient times a precious metal which all material values are based

A

gold

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12
Q

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

A

quenching

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13
Q

A device used to prevent leakage of media

A

seal

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14
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 450C

A

brazing

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15
Q

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

A

forging

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16
Q

The process of producing a variety of surfaces by using a circular type cutter with multiple teeth

A

milling

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17
Q

The softening of metals by heat treatment and most commonly consists of heating the metals up to near molten state and then cooling them very slowly

A

annealing

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18
Q

The maximum stress induced in a material when subjected to alternating or repeated loading without causing failure

A

endurance limit

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19
Q

The total deformation measured in the direction of the line of stress

A

strain

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20
Q

The maximum stress to which a material can be subjected without a trace of any permanent set remaining upon a complete withdrawal of the stress

A

elastic limit

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21
Q

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

A

tolerance

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22
Q

Fluid film desired between two surfaces having relative sliding motion

A

lubrication

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23
Q

Flexible material used to seal pressurized fluids, normally under dynamic conditions

A

packings

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24
Q

A total resistance that a material offers to an applied load

A

stress

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25
Q

A property of material which relates the lateral strains to the longitudinal strain

A

poisson’s ratio

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26
Q

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

A

worm gear

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27
Q

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

A

bevel gear

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28
Q

classification of iron ore

A

hematite, magnetite, siderite

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29
Q

True or False. Do medium carbon steel will respond to heat treatment?

A

True. Medium carbon steel will respond to heat treatment

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30
Q

True or False. Is manganese steel magnetic?

A

False. Manganese steel is non-magnetic

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31
Q

The ability of metal to withstand loads without breaking down is

A

strength

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32
Q

A machining operation whereby the tool reciprocates and the feed is stationary is called

A

shaping

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33
Q

Any material that retard the flow of electricity used to prevent passage or escape of electric current from conductors

A

insulators

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34
Q

A metallic element and the only metal that is liquid at ordinary temperature

A

mercury

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35
Q

An alloy of copper and zinc

A

brass

36
Q

Usually a copper-tin alloy is

A

bronze

37
Q

A tool with hardened points used for scribing circles or laying of distances

A

divider

38
Q

Name of mechanism which a welding operator holds during gas welding and at the end of which the gases are burned to perform the various gas welding operations

A

torch

39
Q

The maximum stress to which a material may be subjected before failure occurs

A

ultimate stress

40
Q

The maximum stress induced in a material when subjected to alternate or repeated loading without causing failure

A

endurance limit

41
Q

Materials, usually ceramics, employed where resistance to very high temperature is required, as for furnace linings and metal melting pots

A

refractories

42
Q

The softening of metals by heat treatment and most commonly consists of heating the metals up to near molten state and then cooling them very slowly

A

annealing

43
Q

The process of producing a variety of surfaces by using a circular type cutter with multiple teeth

A

milling

44
Q

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

A

forging

45
Q

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

A

quenching

46
Q

A machine tool in which an abrasive wheel is used as a cutting tool to obtain a very high degree of accuracy and a smooth finish on metal parts, including soft and hardened steel

A

grinding machine

47
Q

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

A

shaper

48
Q

A tool used for measuring diameters

A

caliper

49
Q

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

A

tolerance

50
Q

The maximum stress to which a material can be subjected without a trace of any permanent set remaining upon a complete withdrawal of the stress

A

elastic limit

51
Q

Fluid film desired between two surfaces having relative sliding motion

A

lubrication

52
Q

A total deformation measured in the direction of the line of stress

A

strain

53
Q

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

A

worm gear

54
Q

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

A

bevel gear

55
Q

The area of a machine shop where metal is being melted to form a new shape is

A

foundry area

56
Q

A machine used in shaping metal by means of abrasive wheel or removal of metals with an abrasive is called

A

grinding machine

57
Q

The ability of material or metal to resist being crushed is

A

compressive strength

58
Q

A machining operation whereby the tool rotates while the feed is stationary

A

milling

59
Q

A machining operation whereby the tool reciprocates and the feed is stationary

A

shaping

60
Q

a metal that is easy to chisel

A

manganese steel

61
Q

Ferrous metals contain relatively large amount of

A

carbon

62
Q

strength properties of metals

A

tensile strength, fatigue strength, torsional strength

63
Q

kinds of mandrel

A

expansion mandrel, taper mandrel, gang mandrel

64
Q

parts of lathe machine

A

tailstock, headstock, carriage

65
Q

The range of motor power in kW of a universal milling machine, max feed movement 1270 mm lengthwise, 355 mm lateral, 508 mm vertical is

A

11 to 15 kw

66
Q

The motor power in kW of a punch press, 50.8 mm hole diameter, 25.4 mm thickness, for soft steel is

A

7.5 kw

67
Q

The range of motor power in kW of a cylindrical grinding machine 600 x 50 mm wheel size, 2,400 to 4,200 mm center distance is

A

11 to 15 kw

68
Q

The motor power in kW of a forming or bending machine 1600 mm widthe, 508 mm head movement is

A

15 kw

69
Q

The range of motor power in kW of an Engine lathe machine, average service 1000 mm to 1300 mm swing

A

22 to 30 kw

70
Q

A machine which can flatten surfaces on a horizontal, vetical or angular plane

A

shaper

71
Q

The ability of metal to withstand forces thus following a number of twist

A

shear strength

72
Q

A property of material which relates the lateral strain to the longitudinal strain

A

poisson’s ratio

73
Q

A total deformation measured in the direction of the line of stress

A

strain

74
Q

A metallic element and only metal that is liquid at ordinary temperature

A

mercury

75
Q

Any material that retard the flow of electricity, used to prevent passage or escape of electric current from conductors

A

insulator

76
Q

The maximum stress to which a material may be subjected before failure occurs

A

ultimate strength

77
Q

The maximum stress induced in a material when subjected to alternating or repeated loading without causing failure

A

endurance limit

78
Q

Fluid film desired between two surfaces having relatively sliding motion

A

lubrication

79
Q

The ability of metal to withstand loads without breaking down

A

rigidity

80
Q

Materials, usually ceramics, employed where resistance to very high temperatures is required, as for furnace linings and metal melting pots

A

refractories

81
Q

Ratio of pitch diameter to the number of teeth

A

module

82
Q

A circle the radius of which is equal to the distance from the gear axis to the pitch point

A

pitch circle

83
Q

circle coinciding with a tangent to the bottom of the tooth spaces

A

root circle

84
Q

method of cold working by compression

A

piering

85
Q

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

A

broaching machine

86
Q

A cutting tool which is made to move slowly while acting on the work which is revolving on a horizontal axis

A

lathe machine

Thermodynamics 1 (IPE) (3 decks)

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