Elements Test 1

Question 1

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

Answer 1

Annealing

Question 2

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

Answer 2

Hardening

Question 3

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

Answer 3

Tempering

Question 4

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

Answer 4

Stress Relieving

Question 5

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

Answer 5

Normalizing

Question 6

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

Answer 6

Drilling machine

Question 7

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

Answer 7

Milling Machine

Question 8

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

Answer 8

tool grinder

Question 9

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

Answer 9

boring machine

Question 10

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

Answer 10

power saw

Question 11

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

Answer 11

shaper

Question 12

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

Answer 12

planer

Question 13

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

Answer 13

broaching machine

Question 14

An alloy of copper and tin

Answer 14

bronze

Question 15

An alloy of copper and zinc

Answer 15

brass

Question 16

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

Answer 16

rolling

Question 17

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

Answer 17

forging

Question 18

A manganese steel containing approximately 0.20% carbon

Answer 18

SAE 1320

Question 19

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

Answer 19

milling machine

Question 20

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)

Answer 20

lathe machine

Question 21

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

Answer 21

planer

Question 22

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

Answer 22

grinding

Question 23

A tool used in measuring diameters

Answer 23

caliper

Question 24

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

Answer 24

dial indicator

Question 25

The ability of metal to be deformed considerably without rupture

Answer 25

plasticity

Question 26

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

Answer 26

laying out

Question 27

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

Answer 27

reaming

Question 28

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

Answer 28

countersinking

Question 29

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

Answer 29

boring

Question 30

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

Answer 30

pitch circle

Question 31

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

Answer 31

carriage bolt

Question 32

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

Answer 32

diametral pitch

Question 33

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

Answer 33

circular pitch

Question 34

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

Answer 34

addendum

Question 35

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

Answer 35

dedendum

Question 36

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

Answer 36

gear rack

Question 37

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

Answer 37

worm gears

Question 38

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

Answer 38

bevel gears

Question 39

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

Answer 39

normalizing

Question 40

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

Answer 40

quenching

Question 41

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

Answer 41

annealing

Question 42

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

Answer 42

tolerance

Question 43

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

Answer 43

squaring

Question 44

The clearance between the tooth profiles of a gear tooth

Answer 44

backlash

Question 45

A mechanism which usually do the indexing in a machine tool

Answer 45

dividing head

Question 46

A material that can wear away a substance softer than itself

Answer 46

abrasive

Question 47

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

Answer 47

tap

Question 48

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

Answer 48

feeler gage

Question 49

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

Answer 49

slotter

Question 50

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

Answer 50

shaper

Question 51

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

Answer 51

stud bolts

Question 52

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

Answer 52

independent chuck

Question 53

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

Answer 53

mandrel

Question 54

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

Answer 54

universal chuck

Question 55

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

Answer 55

knurling

Question 56

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

Answer 56

live center

Question 57

A gripping device with two or more adjustable jaws set radially

Answer 57

chuck

Question 58

Steel balls for ball bearings are manufactured by

Answer 58

cold heading

Question 59

Addendum of a cycloidal gear tooth is

Answer 59

epicycloids

Question 60

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

Answer 60

headstock

Question 61

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

Answer 61

hardening

Question 62

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

Answer 62

brazing

Question 63

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

Answer 63

soldering

Question 64

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

Answer 64

electric arc welding

Question 65

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

Answer 65

resistance welding

Question 66

A device for accurately measuring diameters

Answer 66

micrometer

Question 67

A group of thin steel strips for measuring clearances

Answer 67

feeler gage

Question 68

A hand tool used to measure engine crank web deflections

Answer 68

distortion gage

Question 69

A hand tool used to measure tension on bolts

Answer 69

torque wrench

Question 70

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

Answer 70

tolerance

Question 71

A gear with teeth on the outer cylindrical surface

Answer 71

external gear

Question 72

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

Answer 72

internal diameter

Question 73

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

Answer 73

root circle

Question 74

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

Answer 74

whole depth

Question 75

The depth of tooth space below the pitch circle

Answer 75

dedendum

Question 76

The of gear teeth to each mm pitch diameter

Answer 76

diametral pitch

Question 77

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

Answer 77

grinder

Question 78

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

Answer 78

milling machine

Question 79

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

Answer 79

shaper

Question 80

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

Answer 80

boring

Question 81

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

Answer 81

tapping tap

Question 82

An index or dividing head

Answer 82

used to rotate the work

Question 83

Galvanized iron is a term referring to iron coated with

Answer 83

zinc

Question 84

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

Answer 84

bh^3 / 3

Question 85

In usual spur gearing

Answer 85

tooth outline are usually involute curves

Question 86

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

Answer 86

Chromium

Question 87

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

Answer 87

bound

Question 88

Hearingbone gears are gears which

Answer 88

have a line of contact between the teeth

Question 89

Internal stresses existing in a welded connection

Answer 89

are not relieved when the weld is peened

Question 90

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

Answer 90

Design stress = ultimate stress divided by factor of safety

Question 91

A group of thin steel strips for measuring clearances

Answer 91

feeler gage

Question 92

A hand tool used to measure tension on bolts

Answer 92

torque wrench

Question 93

A material that can wear away a substance softer than itself

Answer 93

abrasive

Question 94

The material used in high speed processes

Answer 94

high speed steel

Question 95

An alloy of copper and zinc

Answer 95

brass

Question 96

An alloy of copper, tin and small amount of phosphorus

Answer 96

bronze

Question 97

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

Answer 97

forging

Question 98

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

Answer 98

brazing

Question 99

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

Answer 99

quenching

Question 100

A machine tool used to machine flat surfaces

Answer 100

shaper