Manufacturing Exam 2

Which of the following are the three main goals in a total quality management (TQM) program? Option A : Computing defects per million. Option B : Forming worker teams. Option C : Achieving customer satisfaction. Option D : Developing robust product and process designs. Option E : Statistical process control. Option F : Zero defects. Option G : Continuous improvement. Option H : Encouraging the involvement of the entire workforce.

-Achieving customer satisfaction -continuous improvement -encouraging the involvement of the entire workforce

Which three of the following phrases relating to ISO 9000 are correct? A Option A : Establishes standards for the quality systems and procedures used by a facility. B Option B : Certified by the International Standards Office located in Geneva, Switzerland. C Option C : Registration in ISO 9000 is obtained through a third-party agency that certifies the facility's quality systems. D Option D : Establishes standards for the products and services delivered by a facility. E Option E : Developed by the International Organization for Standardization located somewhere in Europe

-Establishes standards for the quality systems and procedures used by a facility. -Registration in ISO 9000 is obtained through a third-party agency that certifies the facility's quality systems. -Developed by the International Organization for Standardization located somewhere in Europe

Surface texture includes which three of the following characteristics of a surface? Option A : Feed marks of the tool that produced the surface. Option B : Oil films. Option C : Hardness variations. Option D : Surface cracks. Option E : Deviations from the nominal surface.

-Feed marks of the tool that produced the surface -surface cracks -Deviations from the nominal surface

Automated 100% inspection can be integrated with the manufacturing process to accomplish which two of the following? Option A : Feedback of data to adjust the process. Option B : Better design of products. Option C : Sortation of good parts from defects. Option D : 100% perfect quality.

-Feedback of data to adjust the process -Sortation of good parts from defects

Which one of the following are the three basic types of static stresses to which a material can be subjected (three correct answers): -a-compression -b-hardness -c-reduction in area -d-shear -e-tensile -f-true stress -g- yield

-a-compression -d-shear -e-tensile

Which two of the following statements correctly describes hot hardness and its effect on materials? Option A : Ability of a material to retain hardness at elevated temperatures. Option B : Hardness of a material increases at elevated temperatures. Option C : Hardness of a material stays the same at room temperature and elevated temperatures. Option D : Hardness of a material decreases at elevated temperatures.

Ability of a material to retain hardness at elevated temperatures Hardness of a material decreases at elevated temperatures.

The transverse rupture strength is a property usually associated with which one of the following material types? Option A: Metals. Option B: Rubber. Option C: Plastics. Option D: Ceramics.

Ceramics

Which of the following two geometric terms have the same meaning? Option A : Circularity. Option B : Concentricity. Option C : Cylindricity. Option D : Roundness.

Circularity roundness

Engineering stress in the plastic region will be greater in which of the following tests? Option A: Compression test. Option B: Torsion test. Option C: Tensile test.

Compression Test

Which one of the following is an example of contact inspection? Option A: Scanning laser systems. Option B: Radiation techniques. Option C: Machine vision. Option D: Ultrasonic techniques. Option E: Coordinate measuring machines.

Coordinate measuring machines

Polymer melts exhibit the property of viscoelasticity in the form of shape memory, which manifests itself as which one of the following in plastic extrusion? Option A: Anisotropy. Option B: Recall. Option C: Yield strength. Option D: Flash. Option E: Die swell.

Die swell

Which one of the following types of stress-strain relationship best describes the behavior of most metals at room temperature? Option A: Elastic and perfectly plastic. Option B: Perfectly elastic. Option C: Elastic and strain hardening. Option D: None of the choices are correct.

Elastic and Strain hardening

Hooke's law defines which one of the following regions of the stress-strain relationship for engineering materials? Option A: Elastic region. Option B: None of the answer choices are correct. Option C: Plastic region.

Elastic region

A coordinate measuring machine (CMM) consists of a contact probe and a mechanism to position the probe in two dimensions relative to the surfaces and features of a work part. Option A: True Option B:False

False

In measurements using laser triangulation, a photodetector is used to measure the time taken by a rotating laser to sweep past an object, and that time is converted into a linear dimension. Option A: True Option B:False

False

Viscosity can be defined as the ease with which a fluid flows. Option A: True Option B:False

False

A surface plate is typically made of which one of the following materials? Option A: Hard polymers. Option B: Stainless steel. Option C: Granite. Option D: Aluminum oxide. Option E: Cast iron.

Granite

Relative to its tensile strength, the shear strength of a metal is usually? Option A: Lower. Option B: Greater.

Lower

For quality inspection, which procedure provides more information? Option A: Gaging. Option B: Measurement.

Measurement

Which one of the following describes the formation of new strain-free grains in a metal that has been heated to an elevated temperature? Option A: Hot hardness. Option B: Recrystallization. Option C: Strain hardening. Option D: Strain softening.

Recrystallization

Which one of the following best defines hardness? Option A: Energy absorbed by a material when an object strikes its surface. Option B: Resistance to permanent indentation. Option C: Resistance to scratching. Option D: Resistance to bending.

Resistance to permanent indentation

An outside micrometer is appropriate for measuring which two of the following? Option A : Shaft diameter. Option B : Surface roughness. Option C : Hole depth. Option D : Part length. Option E : Hole diameter.

Shaft diameter part length

The shear strength of a metal is commonly determined in which one of the following tests? Option A: Tensile test. Option B: Torsion test. Option C: Flexure test. Option D: Compression test. Option E: Bending test.

Torsion test

Which one of the following best describes a tolerance? Option A: Variation in manufacturing. Option B: Measurement error. Option C: Clearance between a shaft and a mating hole. Option D: Total permissible variation from a specified dimension.

Total permissible variation from a specified dimension.

Inspection can be defined as the application of measurement and gaging techniques to determine whether a product, its components, subassemblies, or starting materials conform to design specifications. Option A: True Option B:False

True

Most hardness tests involve pressing a hard object into the surface of a test specimen and measuring the resulting indentation or its effect. Option A: True BOption B:False

True

Viscoelasticity can be defined as the property of a material that determines the strain it experiences when subjected to combinations of stress and temperature over time. Option A: True Option B:False

True

Roughness and waviness are both deviations from the nominal surface in defining surface texture. Which one has the larger spacing between deviations? Option A: Waviness. Option B: Roughness.

Waviness

Which one of the following types of stress strain relationship best describes the behavior of metals at temperatures above their respective recrystallization points: -elastic and perfectly plastic -elastic and strain hardening -perfectly elastic -none of the above

elastic and perfectly plastic

An inside micrometer is used to measure the depths of holes in a part. Option A: True Option B:False

false

The plastic region of the stress-strain curve for a metal is characterized by a proportional relationship between stress and strain -true -false

false

Thread pitch (i.e. the distance between threads) on the precision screw of a micrometer is equal to the distance moved by the spindle in one-half of a revolution of the barrel. Option A: True Option B:False

false

In the measurement of surface roughness, the cutoff length is defined as which one of the following? A-Distance over which the surface deviations are measured. Option B: Filter that separates waviness from roughness deviations. Option C: Maximum allowed vertical deviation from the nominal surface.

filter that separates waviness from roughness deviations

Power law is applicable in: -elastic deformation region of a stress-strain diagram -visco-elastic deformation region of a stress-strain curve -plastic deformation region of a stress-strain -the area under the elastic deformation region of a stress-strain curve

plastic deformation region of a stress-strain

The formation of a new strain free grains in a metal that has been heated to an elevated to an elevated temperature is called which one of the following: -hot hardness -recrystallization -strain hardening -strain softening

recrystallization

Which one of the following manufacturing processes is likely to result in the worst surface finish? Option A: Reaming. Option B: Sand casting. Option C: Honing. Option D: Cold rolling. Option E: Turning.

sand casting

The shear strength of a metal is commonly determined in which one of the following tests: -bending test -compression test -flexure test -tensile test -torsion test

torsion test

Precision is the degree of repeatability in the measurement process. Option A: True Option B:False

true

Surface roughness is defined as the average of the vertical deviations from the nominal surface over a specified length. Option A: True Option B:False

true

Which two of the following quality aspects would be classified as examples of freedom from deficiencies rather than product features? Option A : Reliability. Option B : Components within tolerance. Option C : Product weight. Option D : Location of ON/OFF switch. Option E : No missing parts. Option F : Reputation of the company.

-components within tolerance -No missing parts

The cone-shaped stylus used in stylus-type surface-measuring instruments has a point radius equal to which one of the following? Option A: 0.010 mm. Option B: 0.005 mm. Option C: Zero, perfectly pointed. Option D: 0.001 mm.

0.005 mm

Which of the following values of process capability index will result in a greater proportion of out-of-tolerance parts? Option A: 1.000. Option B: 0.667. Option C: 1.333.

0.667

a shaft must meet a design requirement of being at least 1.10 in . in diameter, but it can be 0.015 in. oversized. Express the shaft's tolerance as it would appear on an engineering drawing? -1.10+-0.015in -1.10+0.015in -0.00in -1.100+- 0.015in -1.10 + 0.00in -0.15in

1.10+0.015in -0.00in

During a compression test, the test specimen experiences a shape change called which one of the following? Option A: Barreling. Option B: Holloman-Ludwik effect. Option C: Strain hardening. Option D: Necking.

Barreling

When a tolerance is specified in both the positive and negative directions from the nominal dimension, what it is called? Option A: Bidirectional tolerance. Option B: Limit tolerance. Option C: Bilateral tolerance. Option D: Symmetrical tolerance. Option E: Bifurcated tolerance.

Bilateral tolerance.

If engineering strain and true strain were measured simultaneously during a tensile test, which would have the higher value? Option A: Engineering strain. Option B: True strain.

Engineering Strain if Stress-True Stress is higher

The bending test is also known by which one of the following names? Option A: Cleavage test. Option B: Flexure test. Option C: Transverse rupture test. Option D: Torsion test.

Flexure test

Which one of the following best describes the situations for which the c chart is most suited? Option A: Mean value of part characteristic of interest. Option B: Control of defective parts. Option C: Number of defects in a sample. Option D: Proportion of defects in a sample.

Number of defects in a sample

Which three of the following are GO/NO‑GO gages? Option A : Plug gage. Option B : Master gage. Option C : Snap gage. Option D : Gage blocks. Option E : Micrometer. Option F : Limit gage.

Plug gage snap gage limit gage

In an xx control chart, the upper control limit is set equal to which one of the following? Option A: Upper design tolerance limit. Option B: Upper value of the maximum range R. Option C: Process mean. Option D: Process mean plus 3 standard deviations.

Process mean plus 3 standard deviations

A dial indicators can be used to measure which two of the following? Option A : Straightness. Option B : Diameter. Option C : Length. Option D : Thickness. Option E : Roundness. Option F : Surface roughness.

Straightness Roundness

The flow curve describes the property of metals known as which one of the following? Option A: Fracture stress. Option B: Strain hardening. Option C: Tensile strength. Option D: Engineering strain. Option E: Ductility.

Strain Hardening

Which of the following is the correct definition of ultimate tensile strength, as derived from the results of a tensile test on a metal specimen? Option A: The maximum load divided by the final area of the specimen. Option B: The maximum load divided by the original area of the specimen. Option C: The stress observed when the specimen finally fails. Option D: The stress encountered when the stress-strain curve transforms from elastic to plastic behavior.

The maximum load divided by the original area of the specimen.

As long as readability is not compromised, smaller graduations on a device lead to ___________________. Option A: a smaller accepted standard Option B: better accuracy Option C: a better chance of part conformance to specifications Option D: better precision

better precision

Which one of the folowing engineering materials is defined as a compound containing metallic (or semimetallic) and nonmetallig elements? -ceramic -composite -metal -polymer

ceramic

In a GO/NO‑GO gage, which one of the following best describes the function of the GO gage? Option A: Checks the limit of maximum tolerance. Option B: Checks the maximum material condition. You got it right Option C: Checks the maximum size. Option D: Checks the minimum material condition. Option E: Checks the minimum size.

checks the maximum material condition

which of the following identify a likely out of control condition in a control chart? -consistently increasing value of x -points near the central line -points oscillating back and forth across the central line -sample points consistently slightly above the central line

consistently increasing value of x

Which one of the following measures in a Six Sigma program allows products of different complexity to be directly compared? Option A: Defects per million units. Option B: Defects per million opportunities. Option C: Defective units per million units.

defects per million opportunites

The two basic types of inspection are inspection by variables and inspection by attributes. The second of these inspections uses which one of the following? Option A: Nondestructive testing. Option B: Measuring. Option C: Gaging. Option D: Destructive testing.

gaging

Which one of the following manufacturing processes is likely to result in the best surface finish? Option A: Grinding. Option B: Sawing. Option C: Milling. Option D: Arc welding. Option E: Sand casting.

grinding

Which one of the following is the most important application of machine vision? Option A: Safety monitoring. Option B: Object identification. Option C: Inspection. Option D: Visual guidance and control of a robotic manipulator.

inspection

When assembling two parts, if the shaft is larger then the hole, you get then: -clearance fit -interference fit -transition fit

interference fit

Which one of the following best defines a Newtonian fluid? Option A: Its viscosity remains constant as temperature changes. Option B: Its viscosity decreases as temperature increases. Option C: Its viscosity increases as temperature increases. Option D: Its viscosity decreases as shear rate increases. Option E: Its viscosity remains constant as shear rate changes. This is correct answer Option F: Its viscosity increases as shear rate increases.

its viscosity remains constant as shear rate changes

the shear strength of a metal is usually -greater than -less than its tensile strength

less than its tensile strength

Resolution of a measuring device refers to ___________________. Option A: the number of full turns of the barrel or dial on a device corresponding to a unit of length Option B: how repeatable the device is in terms of consistent measurement results Option C: how closely the device measures compared to an accepted standard Option D: the smallest divisions or graduations printed on the device

the smallest divisions or graduations printed on the device

Process capability is defined as the process mean plus or minus which of the following number of standard deviations (sigma)? Option A: One sigma. Option B: Six sigma. Option C: Three sigma. Option D: Two sigma.

three sigma

A tolerance is which one of the following: -clearance between a shaft and mating hole -measurment error -total permissible variation from a specified dimension -variation in manufacturing

total permissible variation from a specifiede dimension

A control chart can be defined as a graphical technique in which statistics computed from measured values of a certain process characteristic are plotted over time to determine if the process remains in statistical control. Option A: True Option B:False

true

Accuracy is the degree to which the measured value agrees with the true value of the quantity of interest. Option A: True Option B:False

true

Dimensions are the linear or angular sizes of a component specified on the part drawing. Option A: True Option B:False

true

Surface texture is included within the scope of surface integrity. Option A: True Option B:False

true

The Vernier on a set of Vernier calipers refers to a plate with a shortened measuring scale for lining up with the main scale to interpolate a measurement. Option A: True Option B:False

true

The two aspects of quality in a manufactured product are (1) product features and (2) freedom from deficiencies. Product features are the aspect for which the design department is responsible and freedom from deficiencies is the aspect for which the manufacturing departments are responsible. Option A: True Option B:False

true