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Course Title: MECHANICAL TESTING AND QUALITY CONTROL
LAB |
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Scheme (L:T:P) : 0:2:4 |
Total
Contact Hours: 78 |
Course Code: 15ME37P |
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Type of Course: Tutorial and practice |
Credit :03 |
Core/ Elective: Core(practice) |
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CIE- 25 Marks SEE-
50 Marks |
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Prerequisites: Learning concepts of Strength of Materials and
Mechanical Measurements
Course Objectives:
1.
Evaluate the Mechanical Properties and quality of the materials used in
engineering applications.
On successful completion of the course, the students
will be able to attain CO:
|
Course Outcome |
CL |
Linked
experiments |
Linked PO |
Teaching Hrs |
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CO1 |
Examine the
Quality of lubricant by finding the properties of lubricants |
U/A |
1,2,3 |
1,2,3,6,8, 10 |
18 |
|
CO2 |
Enumerate
hardness and impact resistance of the materials before and after heat
treatment |
U/A |
4,5 |
1,2,3,8,9,10 |
15 |
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CO3 |
Evaluate the
behavior of different materials experimentally subjected to tensile, compressive, shear and bending loads |
U/A |
6,7,8,9 |
1,2,3,8,9,10 |
27 |
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CO4 |
Analyze the
measuring dimension with specified dimensions on components |
U/A |
10,11,12, 13 |
1,2,3,8,10 |
15 |
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C05 |
Know about Weld defects/surface
cracks |
U |
14 |
1,2,3,8,10 |
03 |
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Total sessions |
78 |
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COURSE-PO ATTAINMENT
MATRIX
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Course |
Programme Outcomes |
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
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MECHANICAL TESTING AND QUALITY CONTROL LAB |
03 |
03 |
03 |
- |
- |
1 |
- |
03 |
02 |
03 |
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Level 3- Highly Addressed, Level 2-Moderately Addressed,
Level 1-Low Addressed. Method is to relate the level of PO with the number of
hours devoted to the COs which address the given PO. If >40% of classroom
sessions addressing a particular PO, it is considered that PO is addressed at
Level 3 If 25 to 40% of classroom sessions addressing a particular
PO, it is considered that PO is addressed at Level 2 If 5 to 25% of classroom
sessions addressing a particular PO, it is considered that PO is addressed at
Level 1 If < 5% of
classroom sessions addressing a particular PO, it is considered that PO is
considered not-addressed. |
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LIST OF GRADED PRACTICAL EXERCISES
The
practical/Graded exercises should be properly designed and implemented with an
attempt to develop different types of learning out comes in affective domain
and psychomotor domain, so that students are able to acquire the necessary
skills. Following is the list of experiments to be carried out.
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Exer cise No. |
Practical/Exercise |
Apprx. Hrs. Required |
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PART A. MECHANICAL TESTING |
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1 |
Determine co efficient of friction of ant two oil by using Thurston
oil tester and compare their results |
06 |
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2 |
Determine flash and fire point of any two lubricants of different
grade and compare their results |
06 |
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3. |
Determine viscosity of given oil by using Redwood viscometer/Saybolt viscometer. |
06 |
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4 |
Calculate Impact Value of Mild Steel, COPPER
using CHARPY/ IZOD Impact Test & compare |
06 |
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5 |
Calculate hardness number by Brinell /Rockwell
method Using hardness testing machine |
09 |
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6 |
Determination
of yield stress, ultimate stress, breaking stress, percentage reduction in
area, percentage elongation, Young’s modulus by conducting tension test on Ductile
Materials like Mild Steel, Aluminium in Universal testing machine. Draw Stress
Strain Curve for both and compare |
12 |
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7 |
Find out Compressive Strength of C.I , M.S
using Compression Testing Machine |
06 |
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8 |
Conducting bending test on wood specimen by UTM
and evaluate the results |
06 |
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9 |
Conducting Shear
test on mild steel specimen by UTM and evaluate the results |
03 |
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PART- B. QUALITY
CONTROLL |
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10 |
Standard use of basic measuring instruments: Surface plate,
v-block, sprit level, combination set, filler gauge, plate gauge, wire gauge,
screw pitch gauge, radius gauge, vernier caliper, micrometer and slip gauges,
vernier height gauge, Vernier depth
gaugeto
measure dimension of given jobs. |
06 |
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11 |
Determine
unknown angle of component using sine bar and slip gauges. |
03 |
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12 |
Measurement of screw thread elements by using
screw thread micrometer, screw pitch gauge. |
03 |
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13 |
Measurement
of gear tooth elements by using gear tooth vernier caliper |
03 |
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14 |
Study on surface defects by Dye penetrant test/
ultrasonic portable equipment(Not for conduction) |
03 |
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TOTAL |
78 |
®Elements of Workshop Technology (Vols. 1 and II) by Hajra Chaudhary
SUGGESTED LIST OF STUDENT ACTIVITYS
1.
Each student should submit any one of the following type activity or
any other similar activity related to the course and before take up get it approved
from concerned Teacher and HOD.
2. Each student should conduct
different activity and no repeation should occur
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1 |
Ask the students to bring two replaced Automobile/ Mechanical
components, ask to select the instruments and measure the at least three dimensions. Record it
in a sheet |
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2 |
Market Survey specific to properties of Various type of Materials used in Mechanical/Automobile industry or Any Engineering industries in local
vicinity |
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3 |
Take the students for industrial visit for a nearby industry Select any
two materials used for various
mechanical engineering applications. Compare their mechanical properties |
Course Delivery:
The course will be delivered through Demonstration and Shop practices
Course Assessment and Evaluation Scheme:
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Method |
What |
To whom |
When/Where
(Frequency in the course) |
Max Marks |
Evidence collected |
Course outcomes |
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DIRECT
ASSESSMENT |
CIE (Continuous Internal
Evaluation) |
IA Tests |
Students |
Two Tests (Average of two tests to be computed) |
10 |
Blue books |
1,2,3,4,5 |
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Record Writing (Average marks of each exercise to
be computed) |
10 |
Record Book |
1,2,3,4,5 |
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Student Activity |
05 |
Report |
1,2,3,4,5 |
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TOTAL |
25 |
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SEE (Semester End Examination) |
End Exam |
End of the course |
50 |
Answer scripts at BTE |
1,2,3,4,5 |
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INDIRECT
ASSESSMENT |
Student Feedback on course |
Students |
Middle of the course |
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Feedback forms |
1, 2,3, Delivery of course |
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End of Course Survey |
End of the course |
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Questionnaires |
1,2,3, 4,5 Effectiveness
of Delivery of instructions
& Assessment Methods |
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*CIE – Continuous Internal Evaluation *SEE
– Semester End Examination
Note:
1.
I.A. test shall be conducted as per SEE scheme of valuation. However
obtained marks shall be reduced to 10 marks. Average marks of two tests
shall be rounded off to the next higher digit.
2. Rubrics
to be devised appropriately by the concerned faculty to assess Student activities.
å MODEL OF RUBRICS /CRITERIA FOR ASSESSING STUDENT
ACTIVITY RUBRICS MODEL
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RUBRICS FOR ACTIVITY( 5
Marks) |
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Dimension |
Unsatisfactory |
Developing |
Satisfactory |
Good |
Exemplary |
Student Score |
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1 |
2 |
3 |
4 |
5 |
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Collection of data |
Does not collect any information relating to the topic |
Collects very limited information; some relate to the topic |
Collect
much information; but very limited relate to the topic |
Collects some basic information; most refer to the topic |
Collects a great deal of information; all refer to the topic |
Ex: 4 |
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Fulfill
team’s roles & duties |
Does not perform any duties assigned to the team role |
Performs very little duties but unreliable. |
Performs
very little duties |
Performs nearly all duties |
Performs all duties of assigned team roles |
5 |
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Shares work equally |
Always relies on others to do the work |
Rarely does the assigned work; often needs reminding |
Usually does the assigned work; rarely needs reminding |
Normally
does the assigned work |
Always does the assigned work without having to be
reminded. |
3 |
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Listen to other
Team mates |
Is
always talking; never allows anyone else to speak |
Usually does most of the talking; rarely allows
others to speak |
Talks good; but never show interest in listening
others |
Listens,
but sometimes talk too much |
Listens
and speaks a fair amount |
2 |
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Average / Total
marks=(4+5+3+2)/4=14/4=3.5=4 |
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Note: This is only an example.
Appropriate rubrics/criteria may be devised by the concerned faculty (Course
Coordinator) for assessing the given activity.
Note to IA
verifier: The following documents to be verified by CIE verifier at the
end of semester
1. Blue books (10 marks)
2. Student suggested activities
report for 5 marks
3.
Student feedback on course regarding Effectiveness of Delivery of
instructions & Assessment Methods
Scheme of Valuation for
End Examination
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Serial no |
Description |
Marks |
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1 |
Writing
procedure a) One
experiment on (Mechanical testing)
One experiment on (Quality control) |
05+05=10 |
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2 |
Conducting of Experiment a) One experiment on Mechanical
testing(Group of five)+ One experiment on
Quality control (Individual) |
10+10=20 |
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3 |
Calculation
and results,(Both experiments) |
15+5=20 |
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TOTAL |
50 |
1.
Hardness Testing Machine
2.
Impact Testing Machine
3.
Thurston Oil Tester
4.
Pensky Martin Flash & Fire point
Equipment
5.
Redwood and Saybolt viscometer.
6. Universal Testing Machine –
( 20 ton – 40 ton range)
7.
Surface plate, v-block, sprit level, combination set, filler gauge,
screw pitch gauge, radius gauge, verniercaliper, micrometer and slip
gauges,vernier height gauge, Vernier depth gauge
8. Gear Tooth Vernier
9. Universal Bevel Protractor
10. Digital Micrometer
11. Digital Screwgauge
12. Sine Bar & Slip Gauges
13. Spirit Level
14. Surface Plate ( Granite )
15. Wire and plate gauge.
