JABATAN KEJURUTERAAN MEKANIKAL
JF608- QUALITY CONTROL
EOC 1
(Answer all questions)
CLO 1
|
1
|
List
THREE (3) benefits of quality implementation to the company or
organization.
(3
marks)
|
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CLO 1
|
2
|
Explain
2 the differences between quality control and quality assurance.
(4
marks)
|
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CLO 1
|
3
|
Define
the continuous improvement
(3 marks)
|
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CLO 1
|
4
|
The average
height of 24 students in Section 1 of a course in quality control is 1.75m,
the average height of 18 students in Section 2 of quality control is 1.79m,
and the average height of 29 students in section 3 of quality control is
1.68m. What is the average height of the students in the three sections of
quality control?
(5
marks)
|
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CLO 1
|
5
|
Table
A below shows the frequency distribution of the packaging process
produced by the machine "form-fill-seal".
i.
Determine cell
boundaries.
(3 Marks)
ii.
Calculate
the mean and standard deviation
(10 Marks)
iii. Construct histogram
(7 Marks)
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CLO 1
|
6
|
In the precision grinding of a complicated
part, it is more economical to rework the part than to scrap it. Therefore,
it is decided to establish the rework percentage at 12.5%. Assuming normal
distribution of the data, a standard deviation 0f 0.01mm, and an upper
specification limit of 25.38 mm (0.99 in), determine the process center.
(5 marks)
|
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CLO 1
|
7
|
Using Table A (Areas
under the normal curve), determine the value (Z) below,
a)
Greater than Z =
1.0
(2 marks)
b)
Less than Z =
2.0
(2 marks)
c)
Less than Z =
-2.0 (2
marks)
d)
Between Z = -1.5 and
Z = 0
(4 marks)
|
Prepared
by: Verified
by:
Noor
Hapizah Binti Abdullah En.
Mohamad Nazri B. Ismail
Quality
Control Lecturer Head
of Manufacturing Programme
Mechanical
Engineering Department Mechanical
Engineering Department
Politeknik
Merlimau, Melaka Politeknik
Merlimau, Melaka
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