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MSSC Quality Practices & Measurement
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Which type of feature is parallel to the surface being dimensioned? - ANS-Dimension line The three standard views of an object are __________. - ANS-Top, front, right side Which type of lines are used to show the counterbored hole in the part? - ANS-Hidden lines The number of views in a drawing __________. - ANS-Is the fewest number that shows all of the features and dimensions Which of the following steps is NOT used in the glass box method? - ANS-Rotate object in glass box. What type of drawing is shown? - ANS-Multiview The dimensions of raw material supplied by metal suppliers are described by the __________. - ANS-Stock size Which of these requires a computer? - ANS-CAD An isometric drawing is a type of __________. - ANS-Pictorial drawing In the graphic shown, the two circles are __________. - ANS-Concentric Dimensions are used to specify the __________ and location of the features of an object. - ANS-Size What feature in the figure shown is a Chamfer? - ANS-D A __________ dimension is described in inches per foot. - ANS-Shaft taper What is the order of precedence of lines in a drawing? - ANS-Object, Hidden, Center Which of the following is not one of the six rules for dimensioning an object? - ANS- Dimension hidden lines Engineers sometimes use a __________ to measure angles on a drawing. - ANS- Protractor What dimension is indicated in this graphic? - ANS-Height
There are 60 minutes of arc in one __________. - ANS-Degree In manufacturing, a blueprint is also called what? - ANS-A technical drawing The distance across the flats of the hex head shown in the part drawing is __________ inches. - ANS-2 ¼ The length of the part shown in the drawing is __________ inches. - ANS-9 ¾ Which type best describes the line indicated in the graphic? - ANS-Object Line Which of the following bolts is a grade 2? - ANS-A The hole shown in the graphic is a __________ hole. - ANS-Counterbore What are the two types of assembly drawings? - ANS-Exploded and basic A sectional view __________. - ANS-All of the above Which of the following is not used to specify a threaded fastener? - ANS-Minor diameter Two types of threads are __________. - ANS-Internal and external In the assembly drawing shown, part 3 screws into part __________. - ANS- The material that will be used to create the gear is indicated in the part drawing's title block to be __________. - ANS-Cast iron In a threaded fastener assembly what is designed to protect the threads? - ANS-Shank Manufacturing workers can use a calibrated torque wrench to __________. - ANS- Measure the proper amount of torque The part of a drawing that indicates that the drawing has the most up to date information on it is __________. - ANS-Drawing revision level What type hole is shown in the figure? - ANS-Counterbored The minor diameter of a screw thread is measured at the __________. - ANS-Root of screw thread Section lines in a sectional view are __________. - ANS-All of the above To establish on a drawing that 1/4 inch equals 1 inch, the designer would write __________. - ANS-1/4=
The equipment at a workstation is supposed to produce parts at 2.593, per the part drawing, and has a spec limit of ± 0.004. Is a part that has been produced at 2.590 out of spec? - ANS-No, it is within spec A part measuring 44.85 mm in a process with a tolerance of 45mm ± .28 is considered __________. - ANS-Out of Spec, above the upper tolerance limit Datums are a point of reference to establish __________.
- Job tasks - ANS-Datum features The maximum material condition for the part shown is __________. - ANS-15. The least material condition for the part shown is __________. - ANS-0. Geometric Dimensioning and Tolerancing uses __________ to represent features and tolerances. - ANS-Symbols Examples of __________ tolerance describe the form and orientation of a part. - ANS- Profile Which of the following part lengths is out of spec if the specification calls for a part length of 3.202 (± 0.003)? - ANS-3. Length, width, height, diameter, and hole diameter are all examples of __________. - ANS-Features of size The tolerance for a geometric feature can be easily identified by reading the __________. - ANS-Feature control frame The term __________ refers to a physical portion of a part. - ANS-Feature A letter with a box around it is a standard notation symbol used to indicate a(n) __________. - ANS-Datum feature GD&T __________. - ANS-Allows certain tolerances on part features to be increased Which of the following is a feature control frame typically used to identify? - ANS- Extension lines A __________ is a theoretically perfect line, point or plane that is located by a similar feature of the part. - ANS-Datum Dimensional measurement determines physical dimensions such as __________. - ANS-Width, height, and depth
The measurement of a 5.000 inch part, with an instrument having __________ accuracy, should range from 4.998 - 5.002 inches. - ANS-±0. Convert 650 millimeters to inches (1mm = 0.0394 inches). - ANS-25. One inch is equal to __________. - ANS-25.4 mm What is the measurement shown on the rule? - ANS-3 17/32 inch 10 inches is the same length as __________ mm. - ANS- The first step in dimensional measuring is to align the end of the rule where the zero is located with one edge of the dimension you want to measure. This edge is called the __________. - ANS-Reference point A common decimal inch rule graduation is in __________. - ANS-50ths Two systems of dimensional measurement used in manufacturing are the SI Metric System and the __________. - ANS-US customary system Flatness is an important geometric feature of what measurement component? - ANS- Reference plane What value is shown on the gauge? - ANS-56 psi Resolution is sometimes called __________. - ANS-Discrimination A tape measure is flexible so that __________. - ANS-It can be easily stored A __________ has its graduations engraved so that they can not be rubbed off. - ANS- Machinist's rule The conversion of 3-3/8 inches to decimal inches is __________. - ANS-3.375 inches A common fractional inch rule graduation is in __________. - ANS-32nds You have designed a part that has a length of 1.125 inches. Your supervisor requests that you reduce its length by 1/16 of an inch, what will be its final length? - ANS-1. inches __________ error comes from either built-in sources or calibration. - ANS-Instrument From a 2 ft x 3 ft piece of stock, theoretically how many 1 ft x 1.5 ft pieces can be cut? - ANS-
Which of the following measurement tools should be selected to measure a part that has a length specification of 1.625 inches +/- 0.005? - ANS-Micrometer The accuracy of a digital caliper reading is about __________ inches. - ANS-0. SPC data can be collected and transferred to a PC from what device? - ANS-A digital caliper To read a micrometer you first read the __________ scale. - ANS-Sleeve The digital indicator uses the __________ method to determine the measurement of a part. - ANS-Indirect comparison For product quality to benefit from statistical process control data sets must be __________. - ANS-Collected and saved on a regular basis The process of zeroing the probe using a part that has been found to be a precise length is known as __________. - ANS-Mastering An accurately finished base is a feature of __________. - ANS-Measurement instruments used with a surface plate The date due for calibration must appear on the calibration label of __________. - ANS- Measurement and test equipment The different grades of __________ each have different tolerances. - ANS-Gauge blocks The dial indicator makes measurements using the __________ method. - ANS-Indirect comparison Image magnification is used in what type of device? - ANS-Optical comparator Metals that contain iron, such as steel are called __________ metals. - ANS-Ferrous Company standards determine how often __________ is performed. - ANS-Calibration of surface finish gauges A __________ is a measurement tool that measures part dimensions by indicating the amount of distance its probe moves when placed against the part. - ANS-Dial Indicator A __________ avoids the errors of hand-held instruments by locating the parts in the same place each time a measurement is made. - ANS-Fixture A __________ is the total amount by which a specified dimension is allowed to vary and still be a good part. - ANS-Tolerance
To eliminate indicator measurement error a device called a __________ is used as the reference part. - ANS-Gauge block A device that is always used as a reference surface is a __________. - ANS-Surface plate The advantage of __________ is that they are easy to use and very low in cost. - ANS- Check sheets __________ measures the difference between an object's dimension and an object of known length. - ANS-Indirect comparison The best method for checking the height of two or more parts is to use a dial indicator and stand, gauge blocks and a - ANS-Surface plate Spreadsheets are used to perform calculations in __________ and produce graphs. - ANS-Rows and columns Production personnel use standard operating procedures to determine __________. - ANS-The proper way to do a task The principles of __________ help reduce product costs by managing inventory. - ANS- Just-in-time (JIT) Only the supervisor or a person in the quality assurance department can decide if a part on hold should be __________. - ANS-Scrapped or reworked Results are more uniform if a __________ is used during an in-process audit. - ANS- Checklist Increasing customer satisfaction by promoting product reliability can be accomplished by implementing a __________. - ANS-Quality system Machine time, quality requirements, and task time are __________. - ANS-Required to document a process The quality of the outgoing product can be measured directly with what kind of audit? - ANS-End item product It is __________ for workers to inspect and sort out defective products than to prevent defects from occurring altogether. - ANS-More costly The performance of the product as viewed by the customer is ultimately the most important measure of __________. - ANS-Product quality
When the quality of a product improves, it is a sign that __________. - ANS-Continuous improvement activities are working Well-scheduled jobs are a key component in __________. - ANS-Just-in-time manufacturing A __________ is used to verify that the proper procedures and processes are being adhered to by plant personnel. - ANS-Quality audit program Preparing a schedule and a checksheet to ensure that the schedule is followed is part of a(n) __________. - ANS-Quality audit management program Employees commonly use email to __________ employees at other computers. - ANS- Send messages to As part of a process of continuous improvement, companies use __________ to set goals to strive towards. - ANS-Product benchmarks Auditors should always __________ if the problem has been corrected. - ANS-Include the problem in their report Modern companies emphasize good communications to __________. - ANS-Improve quality Parts labeled __________ should be inspected to determine if they should be reworked or scrapped. - ANS-Hold The sampling plan uses a __________ chart that indicates to an inspector the number of parts to inspect based on the size of the product batch. - ANS-Frequency An engineering change notice (ECN) is used to notify of changes to __________. - ANS-A product drawing Benchmarking is a __________ tool. - ANS-Process improvement Manufacturers use __________ to avoid use of the wrong material in a process, issuance of the wrong material from stock and material test failures. - ANS-Raw material controls Companies typically include policies and procedures for continuous improvement as part of their __________. - ANS-Quality assurance system Under the guidelines of __________, manufacturers only produce items for inventory stock when there is a customer order. - ANS-Just-in-time manufacturing
The quality assurance department is the group who provides information to help __________. - ANS-Compare actual quality to customer needs Measurement of product quality attributes can be assisted by performing __________. - ANS-Daily quality and equipment checks The cost of a product's raw materials does not typically determine if __________. - ANS-The product is non-conforming When less labor is needed to produce the same or more quantity of product, there is __________. - ANS-Higher productivity Certain characteristics of parts are essential for its proper operation. Identifying these characteristics as __________ helps set up a meaningful quality inspection program. - ANS-Critical Red tags are typically attached to Parts that are __________. - ANS-Scrapped Reduced costs and increased value are products of __________. - ANS-Good quality assurance systems Continuous quality improvement programs can __________. - ANS-Increase profits even if sales do not increase Manufacturing is still in the early stages of study in its effort to find tools to __________ in a manufacturing process. - ANS-Predict human reliability A key concept in continuous improvement is to search for ways to eliminate waste in actions, time, and __________. - ANS-Material The __________ organization is an international organization that provides standards for certification of quality in companies. - ANS-ISO The PDCA cycle was created by W. Edwards Deming and stands for __________. - ANS-Plan, Do, Check, and Act Instrument reliability is examined to determine __________. - ANS-Calibration intervals If current means used to inspect and monitor processes prove to be unsuitable, __________. - ANS-They should be corrected using an appropriate procedure The number of defects produced is a measure of __________. - ANS-The effectiveness of a quality assurance system Companies use __________ to show data about the progress of production. - ANS-Job status reports
If 200 parts are sampled from every 3000 produced, what is the sampling rate? - ANS- 6.7 percent A __________ is a graphic method to show how the data is distributed across the range of values. - ANS-Histogram Statistical process control (SPC) is used to __________. - ANS-Determine when a process is going to produce bad parts before it actually does If the histogram of a process is not bell-shaped, then the process is __________. - ANS-Not stable Two types of variation are __________. - ANS-Common cause and special cause Once the Cpk of a process is determined, it can predict the __________ of a product as long as the process __________. - ANS-Quality, remains in control Production departments develop a quality history database by __________. - ANS- Recording inspection data A histogram is one type of tool that can be used to __________. - ANS-Measure process control A bell-shaped curve that results from a large group of measurements is the basic concept of __________. - ANS-Central tendency To save money using SPC, a factory determines if there is a(n) __________ in a process. - ANS-Special cause variation When constructing a histogram, no value should ever fall on a(n) __________. - ANS- Boundary Workers perform __________ to control product quality, develop SPC charts, and determine if parts meet specifications. - ANS-Inspections Parts are inspected __________ to make sure the typical characteristics of a produced parts are found. - ANS-Randomly Random parts should be selected from a production run for inspection because __________. - ANS-It is the best method to ensure the sample is representative of the typical characteristics of the production run SPC stands for __________. - ANS-Statistical Process Control The Cpk is a statistical process control term that describes the __________. - ANS- Capability of a process
If a sampling plan requires 5 percent of the parts to be inspected, how many parts should be inspected in 1,000 parts? - ANS- A step that is not used by an operator to manually record data for a control chart is __________. - ANS-Enable a set Control charts can be used in a manufacturing operation to determine __________. - ANS-Process capability When variation due to common causes occurs, __________ the process. - ANS-Do not adjust Six points in a row either steadily increasing or decreasing indicate a __________ pattern. - ANS-Trend Large variation changes are shown visually on a __________. - ANS-Control chart All employees in the plant benefit when __________. - ANS-Defect trend data is collected and problems are corrected Manufacturers collect defect trend data to determine corrective action, improve production and provide __________. - ANS-Engineering with data to analyze Control charts are used to determine __________. - ANS-The process capability The __________ chart plots the average value of each subgroup. - ANS-X bar Which of the following is necessary for analyzing work processes? - ANS-Control charts To calculate the mean or average, you add all the data values together and divide by the __________. - ANS-Number of values Employee disciplinary action is NOT a way to deal with a(n) __________. - ANS-Out-of- control process Control charts are often used to show __________ trends. - ANS-Past The process itself determines the __________. - ANS-Control limits of a control chart Control charts provide __________ to allow manufacturers to analyze problems on a piece of equipment. - ANS-Historical data The process determines the __________ of a control chart. - ANS-Upper and lower control limits
The Pareto principle is an important method manufacturers use to __________. - ANS- Determine which problems that need to be solved will bring the best return on investment (ROI) The 80/20 rule-of-thumb for manufacturing implies that __________. - ANS-80 percent of problems are created by 20 percent of contributing causes C&E diagrams help you during the __________ phase of the PDCA cycle. - ANS-Plan The purpose of Pareto analysis is to help organize problems by __________ so that you can see which ones should be worked on first. - ANS-How often they occur The total process of quality control is best described by __________. - ANS-The PDCA cycle When troubleshooting a quality problem __________. - ANS-Information from everyone involved with the product should be obtained The first step in creating a C&E diagram is to __________. - ANS-Write down the problem and draw a box around it Workers should always write up a process improvement plan __________. - ANS-As part of a corrective or non-conformance action The Pareto diagram usually consists of two graphs. They are: - ANS-Bar graph and cumulative percent plot. The person who might have caused the problem is the least important part of a(n) __________. - ANS-Corrective action report If the operator __________ he/she should report this to the supervisor immediately. - ANS-Has quality/ safety related problems A worker should __________ any time the worker notices a minor quality problem that is not critical to product function or performance. - ANS-Notify the supervisor to determine the correct action to take One method to improve the results of the brainstorming process is to __________ by revisiting an idea and try to think of things related to it. - ANS-Piggyback ideas Operators are most often the ones who will __________ on production equipment. - ANS-Produce a request for corrective action Three categories of customer needs that define quality are: cost, delivery, and __________. - ANS-Product requirements
Manufacturing companies use a __________ to identify and remove sources of machine failure. - ANS-Root cause analysis An essential element of RCFA is the use of __________. - ANS-Teammates from several disciplines During brainstorming, a team member that does not have an idea should __________. - ANS-Say pass allowing the next member to suggest an idea Brainstorming is __________. - ANS-All of the above A line stoppage causes an immediate response from a number of specialists including a maintenance person to __________ the cause of the stoppage. - ANS-Identify and resolve A __________ shows how one variable of a process varies with another variable. - ANS-Scatter diagram RCFA is especially effective in eliminating __________ that produced unplanned downtime and cause about 80 percent of manufacturing losses. - ANS-High frequency failures The first step to create a pareto diagram is to decide which __________. - ANS-Data to collect __________ can be very effective because it helps you unlock ideas that you would have never thought of on your own. - ANS-Brainstorming A __________ is a problem-solving method that organizes ideas generated from brainstorming in small bite-size pieces which are arranged in a graphic manner. - ANS- Fishbone (cause and effect) diagram A __________ is used to determine which type of defect most frequently occurs. - ANS- Pareto chart A problem in a manufacturing process is considered __________ if it could affect product quality. - ANS-Critical An employee should report to their supervisor if the following situation occurs. - ANS- Increase in the number of defective parts produced by a machine To __________ workers should always interrupt the power at the motor disconnect. - ANS-Perform lockout/tagout
