ASQ CSSBB Exam Practice Test Instant Access

Question 1

A set of data from a process has 8 readings per sample and 50 samples. The mean of the 50 sample means is 12.62. The mean of the 50 ranges is 0.18.Find the control limits for a median chart.

A12.52 and 12.72

B12.54 and 12.70

C0.02 and 0.33

Dnone of the above

Answer : A

Question 2

A robust design is one which:

Ahas high reliability

Bhas low maintenance frequency

Cis simple to manufacture

Dis resistant to varying environmental conditions

Answer : D

Question 3

TRIZ is an acronym which refers to:

Aa set of problem solving tools

Ban organization of quality professionals

Can experiment using transitional results

Da Russian general responsible for creative thinking

Answer : A

Question 4

An x-bar control chart has been established with control limits of 3.245 and 3.257, n = 5. An engineer collects the following sample and plots the average on the control chart: 3.257, 3,256, 3. 258, 3.259

Athe process is out of control

Bthe process is not out of control

Cthe engineer misused the control chart

Dthe control limits are incorrect

Answer : C

Question 5

Find the upper control limit for a range chart if n = 4 and the average range

is 2.282.

A2.282

B4.564

C5.208

D3.423

Answer : C

Question 6

In an experimental design context, replication refers to:

Aduplicating experimental results at another location

Brepeating a test with the same factor levels

Cobtaining the same or similar results from different factors

Drepeating an experiment but using at least one different factor level

Answer : C

Question 7

A principle disadvantage of fractional factorial experimental designs is:

Areduced cost

Bimproved accuracy

Cconfounding of effects

Dhigher confidence level

Ereduced probability of type II errors

Answer : C

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