Course Title: MECHANICAL TESTING AND QUALITY CONTROL LAB | Strength of Materials and Mechanical Measurements | DIPLOMA



                                    MECHANICAL TESTING AND QUALITY CONTROL LAB                        


 

Course Title: MECHANICAL TESTING AND QUALITY CONTROL LAB

Scheme (L:T:P) : 0:2:4

Total Contact Hours: 78

Course Code:

15ME37P

Type of Course: Tutorial and

practice

Credit :03

Core/ Elective:

Core(practice)

CIE- 25 Marks                                                                                                            SEE- 50 Marks

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

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

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

CO4

Analyze the measuring dimension with specified dimensions on components

U/A

10,11,12,

13

1,2,3,8,10

15

C05

Know about Weld defects/surface cracks

U

14

1,2,3,8,10

03

 

 

 

Total sessions

78

 

COURSE-PO ATTAINMENT MATRIX

 

 

Course

Programme Outcomes

1

2

3

4

5

6

7

8

9

10

MECHANICAL TESTING AND QUALITY CONTROL LAB

 

03

 

03

 

03

 

-

 

-

 

1

 

-

 

03

 

02

 

03

 

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.

 

 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.

 

Exer cise No.

 

Practical/Exercise

Apprx. Hrs.

Required

PART A. MECHANICAL TESTING

1

Determine co efficient of friction of ant two oil by using Thurston oil

tester and compare their results

06

2

Determine flash and fire point of any two lubricants of different grade

and compare their results

06

3.

Determine viscosity of given oil by using Redwood viscometer/Saybolt

viscometer.

06

4

Calculate Impact Value of Mild Steel, COPPER using CHARPY/ IZOD

Impact Test & compare

06

5

Calculate hardness number by Brinell /Rockwell method Using hardness

testing machine

09

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

7

Find out Compressive Strength of C.I , M.S using Compression Testing

Machine

06

8

Conducting bending test on wood specimen by UTM and evaluate the results

06

9

Conducting  Shear  test  on mild steel   specimen by UTM and evaluate the results

03

PART- B.             QUALITY CONTROLL

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

11

Determine unknown angle of component using sine bar and slip gauges.

03

12

Measurement of screw thread elements by using screw thread micrometer,

screw pitch gauge.

03

13

Measurement of gear tooth elements by using gear tooth vernier caliper

03

14

Study  on       surface defects by Dye penetrant test/ ultrasonic portable

equipment(Not for conduction)

03

 

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

 

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

2

Market    Survey   specific    to    properties   of   Various               type        of            Materials           used               in

Mechanical/Automobile industry or Any Engineering industries in local vicinity

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:

 

 

Method

 

What

 

To whom

When/Where (Frequency in the course)

 

Max Marks

 

Evidence collected

 

Course outcomes

 

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

Record Writing (Average marks of each exercise to be

computed)

 

 

10

 

 

Record Book

 

 

1,2,3,4,5

Student

Activity

05

Report

1,2,3,4,5

TOTAL

25

 

 

SEE

(Semester End Examination)

 

End Exam

 

End of the course

 

50

 

Answer scripts at BTE

 

1,2,3,4,5

 

INDIRECT ASSESSMENT

Student Feedback on course

 

 

 

 

Students

Middle of the course

 

Feedback forms

1, 2,3,

Delivery of course

 

 

End of Course Survey

 

 

End of the course

 

 

 

 

Questionnaires

1,2,3, 4,5

Effectiveness of Delivery of      instructions &       Assessment Methods

*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

RUBRICS FOR ACTIVITY( 5 Marks)

 

Dimension

Unsatisfactory

Developing

Satisfactory

Good

Exemplary

Student Score

1

2

3

4

5

 

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

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

 

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

 

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

Average / Total marks=(4+5+3+2)/4=14/4=3.5=4

 

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                                                                           

 

 

Serial no

Description

Marks

1

Writing procedure     a) One experiment on (Mechanical testing) One experiment on (Quality control)

05+05=10

 

2

Conducting of Experiment     a) One experiment on Mechanical testing(Group of five)+ One experiment on Quality control (Individual)

 

10+10=20

3

Calculation and results,(Both experiments)

15+5=20

 

TOTAL

50

Text Box: EQUIPMENT LIST:	Quantity : 01 Each

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.


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