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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
A property of material which relates the lateral strains to the longitudinal strain
poisson's ratio
26
A kind of gear used for heavy duty works where a large ratio of speed is required and are extensively used in speed reducers
worm gear
27
A kind of gear used to transmit motion from one shaft to another shaft at an angle to the first
bevel gear
28
classification of iron ore
hematite, magnetite, siderite
29
True or False. Do medium carbon steel will respond to heat treatment?
True. Medium carbon steel will respond to heat treatment
30
True or False. Is manganese steel magnetic?
False. Manganese steel is non-magnetic
31
The ability of metal to withstand loads without breaking down is
strength
32
A machining operation whereby the tool reciprocates and the feed is stationary is called
shaping
33
Any material that retard the flow of electricity used to prevent passage or escape of electric current from conductors
insulators
34
A metallic element and the only metal that is liquid at ordinary temperature
mercury
35
An alloy of copper and zinc
brass
36
Usually a copper-tin alloy is
bronze
37
A tool with hardened points used for scribing circles or laying of distances
divider
38
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
torch
39
The maximum stress to which a material may be subjected before failure occurs
ultimate stress
40
The maximum stress induced in a material when subjected to alternate or repeated loading without causing failure
endurance limit
41
Materials, usually ceramics, employed where resistance to very high temperature is required, as for furnace linings and metal melting pots
refractories
42
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
annealing
43
The process of producing a variety of surfaces by using a circular type cutter with multiple teeth
milling
44
The process of working metals by the application of sudden blows or by a steady pressure
forging
45
The operation of cooling heated piece of work rapidly by dropping it in water, brine or oil
quenching
46
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
grinding machine
47
A machine tool used principally to machine flat or place surfaces with a single point cutting tool
shaper
48
A tool used for measuring diameters
caliper
49
The total permissible variation in the size of a dimension; the difference between the limits of the size
tolerance
50
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
elastic limit
51
Fluid film desired between two surfaces having relative sliding motion
lubrication
52
A total deformation measured in the direction of the line of stress
strain
53
A kind of gear used for heavy duty works where a large ratio of speed is required and are extensively used in speed reducers
worm gear
54
A kind of gear used to transmit motion from one shaft to another shaft at an angle to the first
bevel gear
55
The area of a machine shop where metal is being melted to form a new shape is
foundry area
56
A machine used in shaping metal by means of abrasive wheel or removal of metals with an abrasive is called
grinding machine
57
The ability of material or metal to resist being crushed is
compressive strength
58
A machining operation whereby the tool rotates while the feed is stationary
milling
59
A machining operation whereby the tool reciprocates and the feed is stationary
shaping
60
a metal that is easy to chisel
manganese steel
61
Ferrous metals contain relatively large amount of
carbon
62
strength properties of metals
tensile strength, fatigue strength, torsional strength
63
kinds of mandrel
expansion mandrel, taper mandrel, gang mandrel
64
parts of lathe machine
tailstock, headstock, carriage
65
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
11 to 15 kw
66
The motor power in kW of a punch press, 50.8 mm hole diameter, 25.4 mm thickness, for soft steel is
7.5 kw
67
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
11 to 15 kw
68
The motor power in kW of a forming or bending machine 1600 mm widthe, 508 mm head movement is
15 kw
69
The range of motor power in kW of an Engine lathe machine, average service 1000 mm to 1300 mm swing
22 to 30 kw
70
A machine which can flatten surfaces on a horizontal, vetical or angular plane
shaper
71
The ability of metal to withstand forces thus following a number of twist
shear strength
72
A property of material which relates the lateral strain to the longitudinal strain
poisson's ratio
73
A total deformation measured in the direction of the line of stress
strain
74
A metallic element and only metal that is liquid at ordinary temperature
mercury
75
Any material that retard the flow of electricity, used to prevent passage or escape of electric current from conductors
insulator
76
The maximum stress to which a material may be subjected before failure occurs
ultimate strength
77
The maximum stress induced in a material when subjected to alternating or repeated loading without causing failure
endurance limit
78
Fluid film desired between two surfaces having relatively sliding motion
lubrication
79
The ability of metal to withstand loads without breaking down
rigidity
80
Materials, usually ceramics, employed where resistance to very high temperatures is required, as for furnace linings and metal melting pots
refractories
81
Ratio of pitch diameter to the number of teeth
module
82
A circle the radius of which is equal to the distance from the gear axis to the pitch point
pitch circle
83
circle coinciding with a tangent to the bottom of the tooth spaces
root circle
84
method of cold working by compression
piering
85
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
broaching machine
86
A cutting tool which is made to move slowly while acting on the work which is revolving on a horizontal axis
lathe machine

Thermodynamics 1 (IPE) (3 decks)

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