A company wants to measure the length of a fan as a part of its quality control exercise. The type of data collected will be:
1.Variable
2.Attribute
3.Cannot be determined
4.None of the above
Posted Date:-2021-12-10 14:52:55
A major assumption for p chart is that all units produced are _____
1.Independent
2.Dependent
3.None of the above
4.Cannot be determined
Posted Date:-2021-12-10 14:30:06
A sample of size 10 contains 50 non-conformities. The average number of non-conformities is:
1.7
2.4
3.5 (50/10 i.e. total non-conformities/sample size)
4.1
Posted Date:-2021-12-10 14:39:30
A _____ chart can be used to identify the most frequently occurring defect.
1.Pareto
2.Ishikawa
3.Histogram
4.Scatter
Posted Date:-2021-12-10 14:35:14
An unbiased dice is rolled once. The probability of getting a number greater than 4 is:
1.¼
2.1/6
3.½
4.1/3
Posted Date:-2021-12-10 14:46:05
Apart from Poisson distribution, another distribution that can be applied to events data is:
1.Normal Distribution
2.Geometric Distribution
3.Lognormal Distribution
4.Continuous Distribution
Posted Date:-2021-12-10 14:30:37
Attribute charts may be used when:
1.Several characteristics can be jointly measured
2.When one particular quality characteristic is of importance
3.Specific information like process mean is required
4.None of the above
Posted Date:-2021-12-10 14:56:43
Average Total Inspection is defined as:
1.Average of rejected lots and accepted lots
2.Average number of units inspected per lot
3.Average of rejected Lots
4.Average of accepted Lots
Posted Date:-2021-12-10 14:35:57
Bias reflects the:
1.The differences in observed accuracy and/or precision experienced over the range of measurements made by the system.
2.The difference between observed measurements and a "true" value obtained from a master or gold standard
3.Different levels of variability in different operating regimes, resulting from warm-up effects, environmental factors, inconsistent operator performance
4.None of the above
Posted Date:-2021-12-10 14:44:02
Cause and Effect Diagram can be used in the ______ and _______ step of DMAIC.
1.Define, Measure
2.Analyze, Control
3.Analyze, Improve
4.Define, Improve
Posted Date:-2021-12-10 14:51:31
Consider that for a process s bar (average standard deviation of 50 samples each of size 4) is found to be 10.04. The value of c4 (corresponding to sample size of .4) is .92. What is the estimated value of process standard deviation?
1.10.91 (s bar/ c4 is an unbiased estimator of standard deviation)
2.11.89
3.12.67
4.9.67
Posted Date:-2021-12-10 14:54:31
Consider the first method of p bar estimation where each sample is of varying size. If the 3rd sample has p bar =.01, and the sample size of the 3rd sample is 10, what will be the upper control limit for the 3rd sample?
1..5
2..6
3..1 ( (p bar + 3∗ √p bar∗(1-p bar)/n) is a measure of the upper control limit)
4.None of the above
Posted Date:-2021-12-10 14:29:13
For a given sample size (n) and number of defects acceptable ©, the Average Total Inspection (of units) should ______ with increase in N (lot size).
1.Increase
2.Decrease
3.Remain Constant
4.None of the above
Posted Date:-2021-12-10 14:21:13
For a point in the control chart to be out of control, it must lie
1.Above UCL or Below LCL
2.Between Central Line and LCL
3.Between Central Line and UCL
4.None of the above
Posted Date:-2021-12-10 14:27:54
For an x bar chart, β risk can be defined as:
1.The probability of detecting the shift in process mean from μo (in control value) to μ1
2.The probability of not detecting the shift in process mean from μ0 (in control value) to μ1
3.The probability of detecting the shift in process range from μ0 (in control value) to μ1
4.The probability of not detecting the shift in process range from μ0 (in control value) to μ1
Posted Date:-2021-12-10 14:54:08
For the above table, what is the value corresponding to the central line for the x bar chart?
1.10.08
2.10.05
3.9.89
4.9.78
Posted Date:-2021-12-10 14:37:40
Four basic characteristics of an optimal process are:
1.Economy, efficiency, control, quality
2.Quality, Improvement, efficiency, productivity
3.Economy, efficiency, productivity, cost
4.Economy, efficiency, productivity, quality
Posted Date:-2021-12-10 14:58:39
From a consumer perspective quality is determined by _______ while from a producers perspective quality is determined by ________
1.Variability, Cost
2.Cost, Price
3.Price, Cost
4.Cost, Variability
Posted Date:-2021-12-10 14:33:32
Given that for the three samples, the value of R bar is .66 and value of d2 corresponding to three is1.128, what is the estimated standard deviation?
1..43
2..67
3..58
4..75
Posted Date:-2021-12-10 15:00:50
If data for MR chat shows non-normality, it is better to determine the control limits for the individuals control chart based on the ______ of the correct underlying distribution.
1.Percentage
2.Percentiles
3.Rank
4.Mean
Posted Date:-2021-12-10 14:39:06
If only _____ causes of variation are present, the output of a process forms a distribution that is table over time and is predictable.
1.Assignable
2.Non-Random
3.Natural
4.Cannot be said
Posted Date:-2021-12-10 14:53:20
If the Average outgoing Quality is plotted against the Incoming Fraction Defective, the Average Outgoing Quality Limit is the _____ point.
1.Highest
2.Lowest
3.Middle
4.Cannot be determined
Posted Date:-2021-12-10 14:37:16
If variability of a product decreases, its quality _______
1.remains unchanged
2.decreases
3.increases
4.may increase or decrease
Posted Date:-2021-12-10 14:44:25
In case someone is interested in process standard deviation, he should construct the ________ chart.
1.X bar
2.R chart
3.S chart
4.None of the above
Posted Date:-2021-12-10 14:38:43
Inspection of incoming/outgoing items is an example of _______
1.Prevention Cost
2.Appraisal Cost
3.Internal Failure Cost
4.External Failure Cost
Posted Date:-2021-12-10 14:58:15
Juran's quality management philosophy is based on three pillars namely planning, control and _______
1.Implementation
2.Improvement
3.Monitor
4.Design
Posted Date:-2021-12-10 14:27:17
Let p0 be the incoming fraction defective and p1 be the outgoing fraction defective (Assume both p1 and p0 is greater than 0). If rectifying inspection is performed then:
1.P0<p1
2.P1<p0
3.None of the above
4.Cannot be determined
Posted Date:-2021-12-10 14:52:30
Lots for acceptance sampling should be ________ and _________
1.Homogeneous, Large
2.Heterogeneous, Small
3.Homogeneous, Small
4.Heterogeneous, Large
Posted Date:-2021-12-10 14:59:34
The average run length can be defined as:
1.The beta risk for an x bar chart
2.The expected number of samples taken before any shift in process quality is detected
3.The number of samples used in the construction of x bar chart
4.The number of items per sample
Posted Date:-2021-12-10 14:28:44
The basic assumption of calculating the control limits based on average sample size (for a p chart) will __________ from/as those previously observed.
1.Greatly differ
2.Will be exactly the same
3.Not greatly differ
4.None of the above
Posted Date:-2021-12-10 14:54:56
The dimension of reliability is concerned with:
1.How easy it is to repair the product
2.How long does the product last
3.Will the product do the intended job
4.How often does the product fail
Posted Date:-2021-12-10 14:33:05
The focal point of all quality control should be:
1.Price focus
2.Cost Focus
3.Customer Focus
4.Manufacturing Focus
Posted Date:-2021-12-10 14:44:52
The g chart is the control chart for:
1.Average number of events
2.Total number of events
3.Mean number of events
4.None of the above
Posted Date:-2021-12-10 14:55:20
The key process input variables (KPIV) and key process output variables are developed during the ______________ phase.
1.Define
2.Analyze
3.Measure
4.Improve
Posted Date:-2021-12-10 14:45:16
The main aim of QFD is to
1.Listen to the voice of customer
2.Lower cost
3.Reduce errors
4.Reduce supplier defect
Posted Date:-2021-12-10 14:35:35
The pattern of continuous movement in one direction in a control chart is termed as:
1.Mixture
2.Cyclic Pattern
3.Trend
4.Stratification
Posted Date:-2021-12-10 14:26:40
The probability distribution function corresponding to tossing of a coin will be a:
1.Probability Density function
2.Probability Mass function
3.Probability Measurement function
4.Probability Cumulative Function
Posted Date:-2021-12-10 14:33:55
The probability of getting a multiple of 2 on throwing a dice once is:
1.1/6
2.¼
3.½
4.1/3
Posted Date:-2021-12-10 14:57:25
The roof of house of quality shows the interrelationship between:
1.Functional Requirements
2.Design Attributes
3.Service Process
4.Manufacturing Process
Posted Date:-2021-12-10 14:59:59
The standard normal distribution has mean= ______ and standard deviation= _______
1.1,0
2.0,1
3.0,0
4.1,1
Posted Date:-2021-12-10 14:34:48
The thickness of the blade of a fan is specified to lie between 4 cm and 6 cm. The length of the blades must lie between 10 cm and 20 cm. A fan blade randomly selected from a sample of 100 blades has a thickness of 5cm and a length of 21cm. The number of defect(s) the blade has is ______
1.One
2.Two
3.There is no defect
4.Three
Posted Date:-2021-12-10 14:57:06
The x bar chart monitors:
1.Between sample variability
2.Within sample variability
3.Instantaneous variability
4.Natural variability
Posted Date:-2021-12-10 14:38:12
When the number of defects is low, which of the following is true:
1.We should use c or u chart
2.Most samples will have non-zero defects
3.Create a time between occurrence control chart
4.None of the above
Posted Date:-2021-12-10 14:40:01
Which of the following is false regarding when acceptance sampling is useful:
1.When testing is destructive
2.When 100% inspection cost is very low
3.When there are potentially serious product liability risk
4.When 100% inspection is not technically feasible
Posted Date:-2021-12-10 14:51:52
Which of the following is not true regarding when to select a p, c or u chart:
1.The process is a complex assembly operation and product quality is measured in terms of the occurrence of nonconformities, successful or unsuccessful product function, and so forth.
2.Process control is necessary, but measurement data cannot be obtained.
3.A historical summary of process performance is necessary.
4.Destructive testing (or such other expensive testing procedures) is required.
Posted Date:-2021-12-10 14:32:40
Which of the following statement is false:
1.Important step of strategic quality management is identification of those dimensions in which the organization will compete
2.Selection of suppliers should be based on quality, schedule, and cost, rather than on cost alone
3.All of the individuals in the organization must have an understanding of the basic tools of quality improvement
4.Manufacturing Unit should be the unit focusing on Quality Improvement among all units in an organization
Posted Date:-2021-12-10 14:46:31
While the first generation of Six sigma focused on ________, the third generation of six sigma focused on ________
1.Variability reduction, creating value
2.Variability reduction, improved business performance
3.Creating value, Improved business performance
4.None of the above
Posted Date:-2021-12-10 14:34:21
X bar charts are uses to control the __________ of a process.
1.Dispersion
2.Central tendency
3.None of the above
4.both a and b
Posted Date:-2021-12-10 15:00:25
X bar should never be interpreted when:
1.R chart shows out of control points
2.X bar chart shows out of control points
3.The process mean is not known
4.None of the above
Posted Date:-2021-12-10 14:28:19
________ diagram is used for identifying potential relationship between two variables.
1.Pareto
2.Ishikawa
3.Histogram
4.Scatter
Posted Date:-2021-12-10 14:59:05