the probability that a product will perform its intended function satisfactorily

Question

the probability that a product will perform its intended function satisfactorily for a prescribed life under certain stated environmental conditions is known as ________________.

Select one or more:

a. Quality

b. Conforming

c. Nonconforming

d. Reliability

Question 32

There are 40 questions in this exam. With reference to the grading criteria outlined in the syllabus, what percentage of the total grade would you lose if you incorrectly answered one of the question in this exam?

Select one or more:

a. 0.75%

b. 1.00%

c. 0.25%

d. 0.50%

Question 33

In statistical process control, it is sometimes possible that the standard deviation of a set of data is greater than their mean.

Select one or more:

a. True

b. False

Question 34

Attributes are used in all of the following, EXCEPT?

Select one or more:

a. Where measurements are not possible

b. Measuring instruments are not available

c. Measurements are possible but not not carried out because company does not care about the quality of of the product

d. Where measurements can be made but are not made for various reasons

Question 35

Three phases in bathtub curve are all of the following, EXCEPT

Select one or more:

a. Chance failure phase

b. Infant-mortality phase

c. Failure phase

d. Wear-out phase

Question 36

Sums of number inspected and number nonconforming for 25 subgroups in a control chart for attribute are 50,515 and 1,015 respectively. In order to revise the chart, 5 numbers are located outside the limits. Following numbers inspected are the ones outside the limit; 1,238, 1,750, 2,356, 1,978, and 1,356. Similarly, following are the relevant numbers nonconforming; 53, 113, 14, 76, and 38. If you are asked to calculate a revised central line, you are most likely to calculate which of the following values?   

Select one or more:

a. 0.0017

b. 0.0190

c. 0.0172

d. 0.0186

Question 37

During the first shift, 600 inspections are made of book-of-the month shipments and 13 nonconforming units are found. Production during the shift was 15000 units. the p value for this inspection is most likely yo be which of the following?

Select one or more:

a. 0.00087

b. 0.0216

c. None of the above

d. 0.0400

Question 38

Cause of variance that are large in magnitude and are easily identified are known as ____________________.

Select one or more:

a. Environmental cause

b. Inspection activity

c. Operator error

d. Assignable cause

Question 39

Fifty of a certain part in a hydraulic system are tested for 12 hours to ensure quality standards and reliability. At the end of the test, 7 parts failed at 2, 3, 5, 6, 7, 9, and 11 hours. The mean life of this system must be ______.

Select one or more:

a. 70 hours

b. 60 hours

c. 90 hours

d. 80 hours

Question 40

In process control, first step is to collect data for a variable sub-group size. Ranges are calculated and plotted without limits. This chart is called ___________________.

Select one or more:

a. Run chart for averages

b. Control chart for averages

c. Control chart for ranges

d. Run chart for ranges

Explanation / Answer

the probability that a product will perform its intended function satisfactorily for a prescribed life under certain stated environmental conditions is known as Conforming.

There are 40 questions in this exam. With reference to the grading criteria outlined in the syllabus, what percentage of the total grade would you lose if you incorrectly answered one of the question in this exam? 0.25%

In statistical process control, it is sometimes possible that the standard deviation of a set of data is greater than their mean. FALSE

Attributes are used in all of the following, EXCEPT? Where measurements are not possible

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