# Quality Management Mc1591 Quiz1

10 Questions | Total Attempts: 470  Settings Create your own Quiz • 1.
What is the estimator of standard deviation in the x bar and R charts?
• A.

Mean of one sample

• B.

Mean of whole process

• C.

Range

• D.

Process capability process

• 2.
LCL for the R chart is given by ____
• A.

D3 R

• B.

D2 R

• C.

R – D3 R

• D.

D2 R

• 3.
In the general equation of UCL of a control chart, for any x chart, which of these is used as the estimator of μ?
• A.

X bar

• B.

R bar

• C.

X double bar

• D.

R double bar

• 4.
In phase I application of x and R chart, the control limits obtained from the equations are treated as ______
• A.

Final limits

• B.

Trial limits

• C.

Warning limits

• D.

Pattern limits

• 5.
Which term is having a closest meaning as Sampling Distributions?
• A.

Control charts

• B.

On site inspection

• C.

Whole lot inspection

• D.

Acceptance sampling

• 6.
Process capability generally uses ____
• A.

Specifications

• B.

Control limits

• C.

Process standard deviation

• D.

Mean of any one sample

• 7.
Is there any relationship between specification limits and control limits of x and R charts?
• A.

Yes, Specification limits = Control limits

• B.

Yes, Control limits=Specification limits/2

• C.

No

• D.

Yes, Control limits*0.5 = Specification limits

• 8.
Control limits are ___
• A.

Limits defined by customers

• B.

Limits driven by the natural variability of the process

• C.

Limits driven by the inherent variability of the process

• D.

Statistical limits

• 9.
The natural variability of the process is measured by ____
• A.

Process mean

• B.

Sample standard deviation

• C.

Process standard deviation

• D.

Sample mean

• 10.
What type of chart will be used to plot the number of defectives in the output of any process?
• A.

x bar chart

• B.

R chart

• C.

C chart

• D.

P chart

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