SAMPLE 6 BB EXAM
Page 1
1.
Probability is defined as:
a.
A measure of the degree of uncertainty.
b.
Likelihood, a chance, a trend.
c.
A study of randomness and uncertainty.
d.
All of the above.
3.
Which of the following is least likely to be reported as a failure-related cost?
a.
Sorting lots rejected by a sampling procedure.
b.
Downtime caused by late delivery of a purchased part rejected by the
supplier's final inspection.
c.
Repair of field failure.
d.
Retesting of repaired product.
5.
If the equation of a line is given by the simple linear regression equation Y = b0 +
b1X, the resulting line is called a:
a.
Regression of X on Y.
b.
Regression of Y on X.
c.
Regression of both X and Y.
d.
All of the above.
7.
In the case of acceptance sampling plans, one should:
1. Keep the producer's risk as small as possible.
2. Keep the consumer's risk as small as possible.
3. Keep (1-) and (1-) both as small as possible.
a.
1 and 2.
b.
2 and 3.
c.
3 and 1.
d.
1, 2, and 3.
8.
Continuous data:
a.
Can take practically any value depending upon the sensitivity of the
measuring equipment.
b.
Can take only specific values in jumps and not any value.
c.
Form continuous distribution.
d.
A and C both.
e.
B and C both.
11.
Which of the following does not describe Deming's 14 points for management?
a.
Create constancy of purpose toward improvement of product and service,
with the aim to become competitive.
b.
Institute training on the job.
c.
The measure of quality is the price of nonconformance.
d.
Drive out fear.
SAMPLE 6 BB EXAM
Page 2
16.
Consider the following data: s = 0.30, n = 10, X = 15, and the C.I. for the mean at
a 95% confidence level is (14.814, 15.186). What will be the effect on the C.I. if
the sample size is increased from 15 to 20?
a.
C.I. will remain unchanged.
b.
C.I. will decrease.
c.
C.I. will increase.
d.
Cannot calculate the C.I. value for a 99% confidence level.
17.
A goal of a quality cost report should be to:
a.
Get the best product quality possible.
b.
Be able to satisfy MIL-Q-9858A.
c.
integrate two financial reporting techniques.
d.
Indicate areas of excessive costs.
20.
A process is stable means:
I.
It is repeatable.
II.
It is in a state of statistical control.
III.
It is predictable.
a.
I and II only.
b.
II and III only.
c.
III and I only.
d.
I, II, and III above.
24.
Liability costs are:
a.
Prevention costs.
b.
Appraisal costs.
c.
Internal failure costs.
d.
External failure costs.
29.
A box of parts contains some good (G) and some bad (B) parts as shown below.
What is the probability of obtaining a bad item in a single random drawing of one
part?
GGGBGBGB
GBGGGGGG
BGGBGGGG
GGGGGGGG
a.
1
b.
26 / 32
c.
0.1875
d.
Zero
SAMPLE 6 BB EXAM
Page 3
31.
The acceptance number commonly denoted as c in acceptance sampling plans
is defined as:
a.
The number of good parts required in the sample.
b.
The total number of parts to be inspected.
c.
The largest number of defects or defectives on a given sample which will
allow the lot (product) to still be acceptable.
d.
The largest number of defectives that are acceptable.
32.
Which of the following is not a commonly used project management technique?
a.
A milestone chart.
b.
Gantt chart.
c.
Quality function deployment (QFD) matrix.
d.
Critical path method (CPM).
e.
Program evaluation and review technique.
33.
If a process is out of control, the theoretical probability that four consecutive
points on an X chart will fall on the same side of the mean is:
a.
Unknown
b.
(1/2)4
c.
2(1/2)4
d.
1/2(1/2)4
38.
If two variables show good correlation, it does not mean that:
a.
The change in one variable can cause the other to change.
b.
There is a causation.
c.
You can predict the change in the dependent variable if there is a change
in the independent variable.
d.
All of the above.
39.
Which of the following is not an internal failure cost?
a.
Rework.
b.
Warranty charges.
c.
Scrap.
d.
Retest.
40.
The assumed probability distribution for the control chart for the number of
defects is the:
a.
Binomial distribution.
b.
Poisson distribution.
c.
Normal distribution.
d.
Student t distribution.
SAMPLE 6 BB EXAM
Page 4
43.
A process is producing material that is 40% defective. Five pieces are selected
at random for the inspection. What is the expected standard deviation,
assuming the binomial distribution?
a.
1.095
b.
1.2
c.
2.0
d.
1.41
44.
A single sampling plan calls for a sample size of 80 with an acceptance number
of 5 and a rejection number of 6. If the quality of the submitted lots is 10%
defective, then the percent of lots expected to be accepted in the long run is
approximately:
a.
6%
b.
10%
c.
30%
d.
0%
e.
20%
45.
The main objection of designed experimentation in an industrial environment is:
a.
Obtaining more information for less cost than can be obtained by
traditional experimentation.
b.
Getting excessive scrap as a result of choosing factor levels that are too
extreme.
c.
Verifying that one factor at a time is the most economical way to proceed.
d.
Obtaining data and then deciding what to do with it.
47.
As a quality engineer, when using the x and R control chart, you should:
a.
Form subgroups in the production sequence.
b.
Form subgroups by randomly taking samples from the entire production.
c.
Take subgroups when it is convenient to draw samples.
d.
All of the above.
50.
Which of the following is not a graphical tool to show the data?
a.
Histogram.
b.
Scatter plot.
c.
Stem and Leaf plot.
d.
Mean
SAMPLE 6 BB EXAM
Page 5
52.
A large normally distributed population has a mean of 50 mm and a standard
deviation of 4 mm. If a sample size of 40 is randomly selected, find the
probability that the sample mean is less than 51 mm.
a.
0.94
b.
0.60
c.
0.68
d.
0.9973
53.
If a process is running at an AQL of 5% defectives, sample of n = 10,
acceptance number c = 1, and the probability of acceptance P a for these data
from the OC-Curve is 0.9139. The producer's risk will be:
a.
0.9139
b.
5%
c.
0.0861
d.
95%
54.
The correlation coefficient r is:
a.
not affected by which variable is called X or Y.
b.
Used to measure the strength of a linear relationship. It is not designed to
measure the strength of a relationship that is not linear.
c.
Always between -1 and +1.
d.
All of the above.
56.
When making a presentation to top management, the quality engineer should
not:
a.
Use the language of money and its impact on the company.
b.
Provide an inflated picture of the total cost by including open action items,
some trivial and nonrelevant items.
c.
Promise the top management that once the quality problem is solved, they
will reach zero total quality costs.
d.
A and B above.
e.
B and C above.
58.
The factor A2 used in x and R control charts is used to calculate:
a.
The distance between the mean and the upper control limit of a range
chart.
b.
The distance between the mean and the upper and lower control limits in
the chart for the averages.
c.
The constant which corrects the bias in estimating the population standard
deviation from the average range of randomly drawn samples.
d.
The number of defects in a second sample.
SAMPLE 6 BB EXAM
Page 6
59.
If there are 5 levels of factor A and 4 levels of factor B, then the total number of
experiments in a factorial experiment will be:
a.
54
b.
45
c.
5X4
d.
9
60.
When analyzing quality costs, a helpful method for singling out the highest-cost
contributors is:
a.
A series of interviews with the line foreman.
b.
The application of the Pareto Theory.
c.
An audit of budget variances.
d.
The application of breakeven and profit volume analysis.
SAMPLE 6 BB EXAM
Page 7
ANSWERS
1.
3.
5.
7.
8.
11.
16.
17.
20.
24.
29.
31.
32.
33.
38.
39.
40.
43.
44.
45.
47.
50.
52.
53.
54.
55.
56.
58.
59.
60.
D
B
B
A
D
C
B
D
D
D
C
C
C
A
D
B
B
A
E
B
A
D
A
C
D
E
E
B
C
B