Explore topic-wise MCQs in Statistical Quality Control.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Statistical Quality Control knowledge and support exam preparation. Choose a topic below to get started.

1.

TOLERANCES_ARE_SAID_TO_BE____?$

A. limits of natural variability
B. Statistical limits of variability
C. Limits determined by the customers of the product
D. Limits of inherent process variability
Answer» B. Statistical limits of variability
2.

The center line for a x chart denotes ____$

A. Mean of any sample
B. Mean of means of the sample
C. Mean of any sample + 0.5
D. (Mean of any sample) / 0.5
Answer» C. Mean of any sample + 0.5
3.

The lower control limit for a x bar control chart is lesser than the mean of means of the samples taken.

A. True
B. False
Answer» B. False
4.

Process variability can only be described and monitored by the s control chart.

A. True
B. False
Answer» C.
5.

For a random variable having a normal distribution, the ratio of its range to the standard deviation is called _____

A. Relative range
B. Absolute range
C. Major range
D. Minor range
Answer» B. Absolute range
6.

Specifications have a same meaning as _____

A. Control limits
B. UCL
C. LCL
D. Tolerances
Answer» E.
7.

If a process is said to be in control, what can we say about the variation?

A. Random
B. Normal
C. Attribute
D. Assignable
Answer» B. Normal
8.

X chart is a ______

A. Attribute control chart
B. Variable control chart
C. Neither a variable control chart nor an attribute control chart
D. Falls in the category of both variable and attribute control charts
Answer» C. Neither a variable control chart nor an attribute control chart
9.

Toughness of a bolt mount on a tank is ____

A. An attribute
B. A variable
C. Variable and an attribute
D. Variability
Answer» C. Variable and an attribute
10.

S chart is used to monitor ____ of a quality characteristic.

A. Mean
B. Range
C. Variability
D. Attributes
Answer» D. Attributes
11.

Control of the process average or mean quality level is usually done with the _____ control chart.

A. X bar control chart
B. S control chart
C. R chart
D. P chart
Answer» B. S control chart
12.

A variable quality characteristic will have both ____

A. Mean and variability
B. Discrete and continuous values
C. Zero and infinite value
D. One or zero
Answer» B. Discrete and continuous values
13.

A single measureable quality characteristic, such as dimension, weight, or volume, is called ____

A. Variable
B. Attribute
C. Variable and an Attribute
D. Mean and variablility
Answer» B. Attribute
14.

Quantities that can be numerically measured, can be plotted on a _____ control chart

A. X bar
B. P chart
C. C chart
D. np chart
Answer» B. P chart