### HYDRAULICS AND PNEUMATIC LAB | Hydraulics and Pneumatics | DIPLOMA

 Course Title: HYDRAULICS AND PNEUMATIC LAB Scheme (L:T:P) : 0:2:4 Total Contact Hours: 78 Course Code: 15ME45P Type of Course: Tutorial and practice Credit :03 Core/ Elective: Core(practice) CIE- 25 Marks                                                                                                          SEE- 50 Marks

Prerequisites: Learning concepts of Hydraulics and Pneumatics

Course Objectives:

1.       Exposure to the Hydraulics and field application of Fluid Power

Course Outcomes:

On successful completion of the course, the students will be able to attain CO:

 Course Outcome CL Linked Exercise Linked PO Teaching Hrs CO1 Apply Bernoulli’s equations in flow experiments to determine the coefficient of discharge U/A 1 1,2,3,8,9,10 06 CO2 Determine hydraulic coefficients of notches U/A 2 1,2,3,8,9,10 06 CO3 Analyze, Variation in flow rates, pressure changes, and minor and major head losses for viscous flows through various diameter pipes. U/A 3 1,2,3,8,9,10 06 CO4 Evaluate the performance of turbines U/A 4,5,6 1,2,3,8,9,10 18 CO5 Evaluate       the                      operation                      and performance   of   different                         types of pumps U/A 7,8 1,2,3,8,9,10 12 CO6 Create the various fluid power circuits for an Engineering application for sustainable development in societal and environmental contexts U/A 9,10,11, 12,13,14 1,2,3,6,8,9,10 30 TOTAL HOURS 78

Legend: R; Remember, U: Understand A: Application

1.       COURSE-PO ATTAINMENT MATRIX

 Course Programme Outcomes 1 2 3 4 5 6 7 8 9 10 HYDRAULICS AND PNEUMATIC LAB 3 3 3 3 3 1 - 3 3 3 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.

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 A. HYDRAULICS 1 Determination of Coefficient of discharge of Venturimeter 06 2 Determination  of hydraulic coefficients   of Rectangular and V-Notch and compare 06 3 Evaluate the major losses in pipes of varying diameter due to friction and interpret their results 06 4 Interpret the performance characteristics for Pelton wheel 06 5 Evaluate the performance characteristics for Kaplan turbine 06 6 Analyzethe performance characteristics for Francis turbine. 06 7 Draw the performance characteristics for Centrifugal pump and compare the same with reciprocating pump 06 8 Draw the performance characteristics for Reciprocating pump 06 B .    PNEUMATICS 9 Control of actuators by simple hydraulic circuits. 06 10 Control of actuators by simple Pneumatic circuits. 09 11 Crate and Demonstration of meter in and meter out circuit. 06 12 Demonstration of sequencing circuit. 03 13 Demonstration of pneumatic circuit for speed control of double acting cylinders. 03 14 Demonstration of pneumatic circuit for speed control of pneumatic motor.. 03 TOTAL 78

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1.R.S.Khurmi, “Fluid Mechanics and Machinery”,S.Chand and Company, 2nd Edition, 2007.

2. Hydraulics& Pneumatics – Andrew Parr, Jaico Publishing House New Delhi.

SUGGESTED LIST OF STUDENT ACTIVITYS

Note: the following activities or similar activities for assessing CIE (IA) for 05 marks (Any one)

1.                        Each student should do any one of the following type activity or any other similar activity related to the course and before conduction, get it approved from concerned Teacher and HOD.

 1 Ask the students to Study of a jet pump and submersible pump used in the fields 2 Take the students to Polytechnic machine shop; ask to observe the hydraulic circuit in shaper machine. Make the sketch and analyze its operation 3 Take the students to nearby earthmoving equipment (JCB) servicing work shop; ask to observe the hydraulic circuit installed in earthmoving equipment. Make the sketch and analyze its operation 4 Study of trouble shooting procedures of various hydraulic and pneumatic circuits 5 Study and think an oil power circuit for an application beyond the syllabus and Draw the circuit diagram , submit hand written report of 500 words 6 Study and think an pneumatic circuit for an application beyond the syllabus and Draw the circuit diagram , submit hand written report of 500 words

2.                         Each student should conduct different activity and no repeation  should occur

Course Delivery:

Working principle of hydraulic pumps.

Working principle of hydraulic valves and actuators.

Working of different types of hydraulic devices (applications).

2.     The course will be delivered through Demonstration and Shop practices

Ã¥    MODEL OF RUBRICS /CRITERIA FOR ASSESSING STUDENT ACTIVITY

 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 Fulfil 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.

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) Two Tests (Average of two tests to 10 Blue books 1,2,3,4,5,6 be computed) IA Tests Students Record Writing (Average marks of each exercise to be 10 Record Book 1,2,3,4,5,6 computed) Activity 05 Report 1,2,3,4,5,6 TOTAL 25 SEE (Semester End End Exam End of the course 50 Answer scripts at BTE 1,2,3,4,5,6 Examination) INDIRECT ASSESSMENT Student Feedback on course Middle of the course Feedback forms 1, 2,3 Delivery of course 1,2,3, 4,5,6 Effectiveness Students of Delivery End of Course Survey End of the course Questionnaires 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.

3.     Student suggested activities report for 5 marks

4.     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 Fluid mechanics/Machines b)One experiment on Pneumatics 05+05=10 2 Conducting of Experiment a)One experiment on Fluid mechanics/Machines(Group of Five)b) One experiment on Pneumatics (Individual) 10+10=20 3 Calculation, results, Inference(Both experiments) 15+5=20 TOTAL 50

IV Semester Diploma in Mechanical Engineering HYDRAULIC & PNEUMATICS LAB

Time: 3 Hours                                                                                         [Max Marks: 50]

1.          Determine the Coefficient of discharge of a Venturi meter.

2.        Draw the pneumatic circuit to control double acting cylinders by using 5/2 H.L.

Valve and Demonstrate.

1.     Bench mounted Test Rig for Venturi meter

2.     Bench mounted Test Rig for Notches

3.     Bench mounted Test Rig for Friction through pipes

4.     Bench mounted Test Rig for Centrifugal Pumps

5.     Bench mounted Test Rig for Reciprocating Pumps

6.     Bench mounted Test  Rig for  Kaplan Turbines

7.     Bench mounted Test  Rig for  Francis Turbines

8.     Bench mounted Test Rig for Pelton Wheel

9.     Pneumatics Trainer Kit with all standard accessories.

10.  Oil power hydraulics Trainer Kit with all standard accessories.