Explore topic-wise MCQs in Statistical Quality Control.

This section includes 13 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.

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

A. True
B. False
Answer» B. False
2.

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
3.

Specifications have the same meaning as ____________

A. Control limits
B. UCL
C. LCL
D. Tolerances
Answer» E.
4.

The center line for a ( bar{ bar{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
5.

Upper control limit for a chart is expressed by ________

A. ( bar{ bar{x}} + A_2 R )
B. ( bar{ bar{x}} A_2 R )
C. ( bar{ bar{x}} + A_2 bar{R} )
D. ( bar{ bar{x}} + A_3 R )
Answer» B. ( bar{ bar{x}} A_2 R )
6.

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
7.

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
8.

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
9.

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

A. Mean
B. Range
C. Variability
D. Attributes
Answer» D. Attributes
10.

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
11.

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
12.

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
13.

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