Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 7th Sem 2171504 Industrial Statistics And Quality Management Previous Question Paper
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VII (NEW) EXAMINATION ? WINTER 2020
Subject Code:2171504 Date:30/01/2021
Subject Name:Industrial Statistics & Quality Management
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Define Quality. State its importance for any industry.
03
(b) What is the importance of SQC?
04
(c) Discuss the role of any industrial engineer in SQC.
07
Q.2 (a) What is SQC.
03
(b) Write note: Remedies of various causes of variations in process.
04
(c) What are seven tools of SQC? Explain Bar chart with example.
07
Q.3 (a) What is the importance of control charts ?
03
(b) Write note: C-chart.
04
(c) Draw control chart for the following data:
07
Sample no. observations( dia meter of shaft(mm))( five):
1
42 65 75 78 87
2
42 45 68 72 90
3
19 24 80 81 81
4
36 54 69 59 78
5
51 74 75 78 60
6
60 60 39 59 79
7
15 30 39 62 84
8
61 78 94 109 136
Q.4 (a) What is an OC curve?
03
(b) WRITE NOTE: C- chart and its application
04
(c) The total annual fertilizer consumption in thousands of tones during 07
2012-2018 in SBP LMT, MORBI was recorded as given in the table
below.
Year
Consumption
2012
70
2013
76
2014
80
2015
68
2016
70
2017
75
2018
80
(i) Fit a straight line trend by the method of least squares and
compute
the
trend
quantities.
(ii) What has been the annual increase in fertilizer consumption?
.
Q.5 (a) What is process variability?
03
(b) Why sampling plan is to be designed?? Explain
04
1
(c)
A life insurance company insures the lives of 5,000 men of 07
age 42. If actuarial studies show the probability of any 42-year-old
man dying in a given year to be 0.001, find the the probability that
the company will have to pay 4 claims in a given year (.can be
approximated by the Poisson distribution.)
Q.6 (a) What is process capability?
03
(b) Write note: ISO:9000 and its importance
04
(c) What is the standard normal (z) distribution?
07
The weights of packages of ground beef are normally distributed
with mean 1 pound and standard deviation .10. What is the
probability that a randomly selected package weighs between 0.80
and 0.85 pounds?
Q.7 (a) What is core relation?
03
(b) Write note: TQM
04
(c) Explain Poisson distribution with its properties.
07
Q.8 (a) Why T- test is carried out?
03
(b) Write note: Quality circle in education institute.
04
(c) Explain Bayes rules of probability.
07
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This post was last modified on 04 March 2021