ME 2305 –Applied Hydraulics and Pneumatics

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ME 2305 –Applied Hydraulics and
Pneumatics
Notes on Lesson
Class
: III – Year Mechanical Engg.,
A & B Section, 2009 Batch.
1
Index
1.
2.
3.
4.
5.
6.
Class Test Plan
Self Study Topics
Class Seminar Topics
Weekly Assignments
Open Book Test
Notes on Lesson
-
Slide 3
Slide 4
Slide 5
Slide 6 – 8
Slide 9
Slide 10 to 84
 Lecturer Hour Activities
 Tutorial Hours Details
7. Doubt Clarification Session8. Recap Session Details –
Slide 85 to 87
Slide 88 to 91
2
Class Test Plan
S.No. Test No.
Date
Syllabus
1.
I
11.07.2011
Unit I
2.
II
01.11.2011
Pumps (Gear, vane, Piston)
3.
III
22.11.2011
DCV, PCV
4.
IV
05.09.2011
Accumulator, Intensifier
5.
V
19.09.2011
FRL, Compressors, Air control valves
6.
VI
26.10.2011
Fluid Power Circuits
7.
VII
10.10.2011
Cascade methods
8.
VIII
29.10.2011
PLC
3
Self Study Topic
S.No.
Unit
Self Study Topic
1.
I
Losses in pipes, Valves and Fittings
2.
II
Rotary Actuators
3.
III
Relays & Solenoids
4.
IV
Properties of Air
5.
V
Failures and Trouble Shooting
4
Class Seminar Topics
S.No.
Unit
1.
I
Application of Pascal’s Law (3 application)
2.
II
Hydraulic Actuators
3.
III
Application of Intensifier Circuit
4.
IV
Properties of air and compressors
5.
V
Application of Fluid power Circuit
Class Seminars Topic
5
Guidelines for Writing Weekly
Assignments
 Assignments should be submitted on or before the last
date before 10.00 A.M.
 Assignments should be written only in the college
assignment notebooks.
 Assignments should be written using blue or black pen.
 Assignments should be neat and legible.
 Viva questions will be asked during the submission time. If
not answered then that assignment should be repeated
again.
 Doubts related to the assignments can be cleared at any
time.
 Assignments should be collected back on the next day of
submission.
6
 Assignments carries 20 % of internal marks
Weekly Assignment Plan
Ass. Date Of
No. Assign.
Assignment
Last Date of
Submission
1
30-Jun-11
2
7-Jul-11
Advantage and Application of Fluid Power
4-Jul-11
Systems
Various Fluid Power Symbols (Min of 30 Symbols) 11-Jul-11
3
14-Jul-11
Any 3 Application of Pascal's Law - Explain
4
21-Jul-11
5
28-Jul-11
6
4-Aug-11
Explain the basis of Hydraulics
25-Jul-11
Explain the various losses in pipes, valves and
1-Aug-11
fittings.
Draw the Diagram of Gear, Vane and Piston Pump 8-Aug-11
7
11-Aug-11
Differentiate Gear, Vane and Piston Pump
15-Aug-11
8
18-Aug-11
Explain Cylinder Cushioning
22-Aug-11
9
25-Aug-11
Draw the DCV, PCV, FCV (Min. of 12 dig.)
29-Aug-11
10
1-Sep-11
Explain any 3 application of Hydraulic circuits
5-Sep-11
18-Jul-11
Cont …
7
Ass. Date Of
No. Assign.
Assignment
Last Date of
Submission
11
8-Sep-11
Explain Intensifier Circuit
12-Sep-11
12
15-Sep-11
Explain FRL
19-Sep-11
13
22-Sep-11
Explain Air control valves
26-Sep-11
14
29-Sep-11
Explain Sequence and Synchronize circuit 3-Oct-11
15
6-Oct-11
Draw A+B+C+D+D-C-B-A-
10-Oct-11
16
13-Oct-11
Draw A+A-B+B-C+C-D+C-
17-Oct-11
17
20-Oct-11
Explain Fluidics Logic Gates
24-Oct-11
18
27-Oct-11
Explain ladder Diagram
31-Oct-11
19. 03-Nov-11 Explain Low Cost Automation
07-Nov-11
8
Open Book Test Plan
S.No.
Unit test
Only Diagrams and circuits
1.
I
Application of Pascal's law
2.
II
Pump and valve diagrams
3.
III
Hydraulics Circuits
4.
IV
Cascade and pneumo Circuits
5.
V
Hydride Circuits
9
Class
:1
Date
:
18.06.2011
Unit
: I
Period : 3
LH / TH : LH
Topic : Introduction to subject & syllabus review
Introduction about the subject.
Objective of the Subject
Need of the hydraulics and pneumatics
Industrial applications
Advanced technologies.
Scope for the project work.
Brief explanation on unit I, II, III, IV, V.
10
Class
: 2
Date
:
20.06.2011
Unit
: I
Period : 3
LH / TH : LH
Topic : Introduction to fluid power




Explanation about Fluid.
Explanation about Fluid power.
Application of fluid power.
Advantage and disadvantage of fluid power.
11
Class
: 3
Date
:
20.06.2011
Unit
: I
Period : 4
LH / TH : LH
Topic : Advantages of fluid power
 Detailed discussion on the advantages of
the fluid power system.
12
Class
: 4
Date
:
23.06.2011
Unit
: I
Period : 7
LH / TH : LH
Topic : Application of fluid power system
 Various applications of the fluid power
systems.
 Merits and demerits of those systems.
 Simple circuit of those systems.
13
Class
: 5
Date
:
25.06.2011
Unit
: I
Period : 3
LH / TH : LH
Topic : Types of fluid power systems
 Classification of fluid power system
 Brief description of fluid power system
 Merits and demerits of the fluid power system
14
Class : 6
Date : 27.06.2011
Unit
: I
Period : 3
LH / TH : LH
Topic : Properties of hydraulic fluids, General types
of fluids





Fluid and its classification
Properties of the fluids.
Advantage of the fluid properties
Properties of the hydraulic fluids.
Application of fluids and the hydraulic fluids.
15
Class
: 7
Date
:
27.06.2011
Unit
: I
Period : 4
LH / TH : TH
Topic : Fluid power symbols
 Various fluid power system symbols and
explanation.
 How to differentiate the various fluid power
symbols.
 Practices to draw the various fluid power
symbols.
16
Class
: 8
Date
:
30.06.2011
Unit
: I
Period : 7
LH / TH : LH
Topic : Basics of hydraulics




Basic hydraulic circuit.
Basic essential components.
Functions of the hydraulic components.
Working of the hydraulic components and
circuits.
17
Class
: 9
Date
:
02.07.2011
Unit
: I
Period : 3
LH / TH : TH
Topic : Basics of hydraulics, Applications of
Pascal’s law




Basics of the Hydraulics.
Pascal law
Various applications of the Pascal’s law.
Student Seminars.
18
Class
: 10
04.07.2011
Date
:
Unit
: I
Period : 3
LH / TH : LH
Topic : Laminar and turbulent flow, Reynolds’s
number, Darcy’s equation
 Explanation on laminar and turbulent flow with
application and examples.
 Difference between Laminar and Turbulent
Flow.
 Reynolds Number – Experimental setup,
derivation and application.
 Darcy's Equation – derivation, equation and its
application.
19
Class
: 11
04.07.2011
Date
:
Unit
: I
Period : 4
LH / TH : TH
Topic : Laminar and turbulent flow, Reynolds’s
number, Darcy’s equation
Application, Problems and applications with
real time examples
20
Class
: 12
07.07.2011
Date
:
Unit
: I
Period : 7
LH / TH : LH
Topic : Losses In Pipe, Valves And Fittings
 Various connecting devices in the Hydraulic
Circuits.
 Efficiency of the system.
 Effects of leakage and losses of oil.
 Effect due to losses in pipes.
 Effects due losses in Valves.
 Effects due to losses in Fittings.
21
Class
: 13
09.07.2011
Date
:
Unit
: II
Period : 3
LH / TH : LH
Topic : Pumping Theory, Pump Classification
 Simple laws on pressure and volume.
 Basics of Pumping Theory.
 Working Procedure of the Rotary and
reciprocating pumps.
 Various types of pumps and descriptions.
22
Class
: 14
11.07.2011
Date
:
Unit
: I
Period : 3
LH / TH : Topic : Class Test I : Unit I topics
 Basic Hydraulic circuit and its component
explanations.
 Various losses in Hydraulic circuits.
 Brief Explanation on laminar, turbulent,
Reynolds number, and Darcy equation.
 Properties and application of Fluid Power
system.
 Applications of Pascal's law
23
Class
: 15
11.07.2011
Date
:
Unit
: I
Period : 4
LH / TH :
Topic : Class Test I : Unit I topics





Basic Hydraulic circuit and its component
explanations.
Various losses in Hydraulic circuits.
Brief Explanation on laminar, turbulent,
Reynolds number, and Darcy equation.
Properties and application of Fluid Power
system.
Applications of Pascal's law
24
Class
: 16
14.07.2011
Date
:
Unit
: II
Period : 7
LH / TH : LH
Topic : Gear pump construction and working of
pumps pump performance
 Basics and working principle of the Gear
pump.
 Derivation for efficiency calculation of the
gear pump.
 Merits and demerits of the gear pump.
 Various types of the Gear pump.
 Application of the gear pump.
25
Class
: 17
16.07.2011
Date
:
Unit
: II
Period : 3
LH / TH : TH
Topic : Gear pump construction and working of
pumps pump performance
 Brief Explanation on the various types of the
gear pumps and its operating principle.
 Efficiency calculation of the various gear
pumps.
 Merits and demerits of the various types of
the gear pumps.
26
Class
: 18
18.07.2011
Date
:
Unit
: II
Period : 3
LH / TH : LH
Topic : Vane pump construction and working of
pumps pump performance
 Basics and working principle of the Vane
pump.
 Derivation for efficiency calculation of the
Vane pump.
 Merits and demerits of the Vane pump.
 Various types of the Vane pump.
 Application of the Vane pump.
27
Class
: 19
18.07.2011
Date
:
Unit
: II
Period : 4
LH / TH : TH
Topic : Vane pump construction and working of
pumps pump performance
 Brief Explanation on the various types of the
vane pumps and its operating principle.
 Efficiency calculation of the various vane
pumps.
 Merits and demerits of the various types of
the vane pumps.
28
Class
: 20
21.07.2011
Date
:
Unit
: II
Period : 7
LH / TH : LH
Topic : Piston pump construction and working of
pumps pump performance
 Basics and working principle of the Piston
pump.
 Derivation for efficiency calculation of the
Piston pump.
 Merits and demerits of the Piston pump.
 Various types of the Piston pump.
 Application of the Piston pump.
29
Class
: 21
23.07.2011
Date
:
Unit
: II
Period : 3
LH / TH : TH
Topic : Piston pump construction and working of
pumps pump performance
 Brief Explanation on the various types of the
Piston pumps and its operating principle.
 Efficiency calculation of the various Piston
pumps.
 Merits and demerits of the various types of the
Piston pumps.
30
Class
: 22
25.07.2011
Date
:
Unit
: II
Period : 3
LH / TH : LH
Topic : Variable displacement pumps
 Basics and working principle of the Variable
displacement pump.
 Derivation for efficiency calculation of the
Variable displacement .
 Merits and demerits of the Variable
displacement
 Various types of the Variable displacement .
 Application of the Variable displacement
31
Class
: 23
25.07.2011
Date
:
Unit
: II
Period : 4
LH / TH : LH
Topic : Linear hydraulic actuators
 Basics and working principle of the hydraulic
actuators.
 Derivation for efficiency calculation of the
hydraulic actuators.
 Merits and demerits of the hydraulic
actuators
 Various types of the hydraulic actuators.
 Application of the hydraulic actuators
32
Class
: 24
28.07.2011
Date
:
Unit
: II
Period : 7
LH / TH : LH
Topic : Types of hydraulic cylinders, Single acting,
double acting
 Various Types of Hydraulic Cylinders.
 Working principle and the applications.
 Single Acting Cylinder and its performance
measurements.
 Double acting Cylinder and its performance
measurements.
33
Class
: 25
30.07.2011
Date
:
Unit
: II
Period : 3
LH / TH : LH
Topic : Special cylinders like tandem, rod less,
telescopic, cushioning mechanism
 Various types of special cylinders and its
applications.
 Tandem cylinder.
 Rod less Cylinder.
 Telescopic cylinder.
 Cylinder Cushioning.
34
Class
: 26
01.11.2011
Date
:
Unit : II
Period : 3
LH / TH : LH
Topic : Class Test II : Pump
 Any Three Questions
– External Gear Pump.
– Balanced vane Pump.
– Radial Piston Pump.
– Cylinder Cushioning.
35
Class
: 27
01.11.2011
Date
:
Unit
: II
Period : 4
LH / TH : LH
Topic : Class Test II : Pump

Any Three Questions
◦ External Gear Pump.
◦ Balanced vane Pump.
◦ Radial Piston Pump.
◦ Cylinder Cushioning.
36
Class
: 28
04.11.2011
Date
:
Unit
: II
Period : 7
LH / TH : LH
Topic : Rotary actuators :gear, vane and piston
motors
 Rotary Actuators – types and its various
applications.
 Gear actuator and its various types.
 Vane Actuator and its Various types.
 Piston actuator and its Various types.
37
Class
: 29
06.11.2011
Date
:
Unit
: III
Period : 3
LH / TH : LH
Topic : Director control valve – 3/2 way valve





Valves
Application of Valves.
Various types of valves.
Principle of DCV
3/2 way DCV.
38
Class
: 30
11.11.2011
Date
:
Unit
: III
Period : 3
LH / TH : LH
Topic : 4/2 way valve
 4/2 way DCV
39
Class
: 31
11.11.2011
Date
:
Unit
: III
Period : 4
LH / TH : LH
Topic : Shuttle valve – check valve




Various other Direction Control Valves.
Shuttle Valves.
Check Valve.
Various other valve.
40
Class
: 32
11.11.2011
Date
:
Unit
: III
Period : 7
LH / TH : LH
Topic : Pressure control valve – pressure reducing
valve





Pressure Control valve and its applications.
Working principle of the PCV.
Various types of pressure regulating valves.
Pressure control valve.
Pressure reducing valve.
41
Class
: 33
13.11.2011
Date
:
Unit
: III
Period : 3
LH / TH : LH
Topic : Sequence valve, Flow control valve – fixed
and adjustable





Working principle of sequence valve.
Flow control devices and its applications.
Various flow control valves.
Fixed flow control valve
Variable flow control valve.
42
Class
: 34
18.11.2011
Date
:
Unit
: III
Period : 7
LH / TH : LH
Topic : Electrical control solenoid valves, relays,
Ladder diagram
 Electrical control valves and its advantages.
 Various electrical control valves based on
applications.
 Solenoid valves.
 Relays.
 Ladder diagram and its applications.
43
Class
: 35
20.11.2011
Date
:
Unit
: III
Period : 3
LH / TH : TH
Topic : Electrical control solenoid valves, relays,
Ladder diagram
 Various electrical control valves based on
applications.
 Ladder diagram and its applications.
 With Circuits.
44
Class
Unit
: 36
22.11.2011
Date
:
: III
Period : 3
LH / TH :
Topic : Class Test III : Valves
 Any 3 Questions
– 3/2 DCV valve
– Pressure Reducing valve
– Shuttle valve, check valve and sequence
valve
– Ladder Diagram.
45
Class
Unit
: 37
22.11.2011
Date
:
: III
Period : 4
LH / TH : Topic : Class Test III : Valves
 Any 3 Questions
– 3/2 DCV valve
– Pressure Reducing valve
– Shuttle valve, check valve and sequence
valve
– Ladder Diagram.
46
Class
: 38
25.11.2011
Date
:
Unit
: III
Period : 7
LH / TH : LH
Topic : Types of accumulators, sizing of
accumulators




Accumulator.
Application of Accumulator.
Various types of accumulator.
Sizing of accumulator.
47
Class
: 39
27.11.2011
Date
:
Unit
: III
Period : 3
LH / TH : LH
Topic : Accumulators circuits
 4 Application circuits of accumulator.
48
Class
: 40
29.11.2011
Date
:
Unit
: III
Period : 3
LH / TH : TH
Topic : Accumulators circuits
 4 Application circuits of accumulator.
49
Class : 41
Date : 29.11.2011
Unit
: III
Period : 4
LH / TH : LH
Topic : Intensifier, applications of intensifier, intensifier
circuit.
 Intensifier.
 Application of Intensifiers.
 Operating principle of intensifier.
50
Class
: 42
01.09.2011
Date
:
Unit
: III
Period : 7
LH / TH : TH
Topic : Intensifier – applications of intensifier –
intensifier circuit.
 Intensifier – application circuits
51
Class
: 43
03.09.2011
Date
:
Unit
: IV
Period : 3
LH / TH : LH
Topic : Introduction to pneumatics, properties of
air





Pneumatics.
Need for pneumatics.
Comparison of hydraulics and pneumatics.
Application, advantages and disadvantage.
Properties of Air.
52
Class
: 44
05.09.2011
Date
:
Unit
: III
Period : 3
LH / TH :
Topic : Class test IV : Accumulator &
Intensifier
 Any Three Circuits with flow diagram.
– Application of accumulator.
– Application of Intensifier.
53
Class
Unit
Topic
: 45
05.09.2011
Date
:
: III
Period : 4
LH / TH :
: Class test IV : Accumulator & Intensifier
 Any Three Circuits with flow diagram.
– Application of accumulator.
– Application of Intensifier.
54
Class
: 46
11.09.2011
Date
:
Unit
: IV
Period : 7
LH / TH : LH
Topic : Compressors




Compressor
Working principle
Types of compressor
Application, Advantage, and disadvantage of
compressors.
55
Class
: 47
10.09.2011
Date
:
Unit
: IV
Period : 3
LH / TH : LH
Topic : Filter, regulator, lubricator unit
 Construction and working principle of Filter,
Regulator and Lubricator.
56
Class
: 48
12.09.2011
Date
:
Unit
: IV
Period : 3
LH / TH : LH
Topic : Air control valves, quick exhaust valves
 Air control valves and its application circuits.
 Quick exhaust valves and its application
circuits.
57
Class
: 49
12.09.2011
Date
:
Unit
: IV
Period : 4
LH / TH : LH
Topic : Pneumatic actuators
 Pneumatic actuators.
 Various types of the pneumatic actuators.
 Application of pneumatic actuators.
58
Class
: 50
15.09.2011
Date
:
Unit
: IV
Period : 7
LH / TH : LH
Topic : Fluid power circuit design
 Various types of fluid power application with
circuit designs.
59
Class
: 51
17.09.2011
Date
:
Unit
: IV
Period : 3
LH / TH : LH
Topic : Speed control circuits, synchronizing
circuit, penumo hydraulic circuit, sequential circuit




Various speed control circuits.
synchronizing circuit design,
penumo hydraulic circuit,
sequential circuit.
60
Class
: 52
19.09.2011
Date
:
Unit
: IV
Period : 3
LH / TH : LH
Topic : Class Test V : Compressor and valves
 Various types of compressors.
 Circuits using pneumatic valves
61
Class
: 53
19.09.2011
Date
:
Unit
: IV
Period : 4
LH / TH : LH
Topic : Class Test V : Compressor and valves
 Various types of compressors.
 Circuits using pneumatic valves
62
Class
: 54
22.09.2011
Date
:
Unit
: IV
Period : 7
LH / TH : TH
Topic : Speed control circuits, synchronizing
circuit, penumo hydraulic circuit, sequential circuit




Various speed control circuits.
synchronizing circuit design,
penumo hydraulic circuit,
sequential circuit.
63
Class
: 55
24.09.2011
Date
:
Unit
: IV
Period : 3
LH / TH : TH
Topic : Speed control circuits, synchronizing
circuit, penumo hydraulic circuit, sequential circuit




Various speed control circuits.
synchronizing circuit design,
penumo hydraulic circuit,
sequential circuit.
64
Class : 56
Date : 26.09.2011
Unit
: IV
Period : 3
LH / TH : LH
Topic : Class Test VI : Fluid power Circuits
 Any three circuits with flow diagram
– Various speed control circuits.
– synchronizing circuit design,
– penumo hydraulic circuit,
– sequential circuit.
65
Class
: 57
26.09.2011
Date
:
Unit
: IV
Period : 4
LH / TH : LH
Topic : Class Test VI : Fluid power Circuits
 Any three circuits with flow diagram
– Various speed control circuits.
– synchronizing circuit design,
– penumo hydraulic circuit,
– sequential circuit.
66
Class
: 58
29.09.2011
Date
:
Unit
: IV
Period : 7
LH / TH : LH
Topic : Design for simple applications using
cascade method
 Cascade method – circuit design procedure
and application
67
Class
: 59
01.10.2011
Date
:
Unit
: IV
Period : 3
LH / TH : LH
Topic : Design for simple applications using
cascade method
 Cascade method – circuit design
68
Class
: 60
03.10.2011
Date
:
Unit
: V
Period : 3
LH / TH : TH
Topic : Design for simple applications using
cascade method
 Cascade method – circuit design
69
Class
: 61
03.10.2011
Date
:
Unit
: V
Period : 4
LH / TH : LH
Topic : Servo systems – hydro mechanical servo
systems.
 Application circuit for servo system.
 Application circuit for hydro mechanical system
 Application circuit for hydro mechanical servo
system.
70
Class
: 62
06.10.2011
Date
:
Unit
: V
Period : 7
LH / TH : LH
Topic : Electro hydraulic servo systems &
proportional valves
 Application of circuits using electro servo
system
 Application circuit using proportional valves.
71
Class
: 63
11.10.2011
Date
:
Unit
: V
Period : 3
LH / TH : LH
Topic : Introduction to fluidic devices




Fluidics devices.
Application of fluidics
Working principle of fluidics
Advantages and disadvantage of fluidics.
72
Class
: 64
10.10.2011
Date
:
Unit
: V
Period : 3
LH / TH : LH
Topic : Class Test VII : Cascade Method
 Cascade circuit design
73
Class
: 65
10.10.2011
Date
:
Unit
: IV
Period : 4
LH / TH : LH
Topic : Class Test VII : Cascade Method
 Cascade circuit design
74
Class
: 66
13.10.2011
Date
:
Unit
: V
Period : 7
LH / TH : LH
Topic : simple circuits
 Application circuits using fluidics.
75
Class
: 67
15.10.2011
Date
:
Unit
: V
Period : 3
LH / TH : TH
Topic : simple circuits
 Application circuits using fluidics.
76
Class
: 68
17.10.2011
Date
:
Unit
: V
Period : 3
LH / TH : LH
Topic : Introduction to electro hydraulic pneumatic
logic circuits
 Logics
 Logic gates.
 Electro hydraulic pneumatic logic circuits.
77
Class
: 69
17.10.2011
Date
:
Unit
: V
Period : 4
LH / TH : LH
Topic : Ladder diagrams
 Ladder Diagram.
 Components of ladder diagram.
 Ladder diagram design procedure.
 Ladder diagram for an application.
78
Class
: 70
20.10.2011
Unit
: V
LH / TH : LH
Topic
Date
:
Period : 7
: PLC
 Basics of PLC
 PLC application, merits and demerits.
 Low cost automation using PLC.
79
Class
: 71
22.10.2011
Unit
: V
LH / TH : TH
Topic
Date
:
Period : 3
: PLC
 Low cost automation using PLC circuits.
80
Class
: 72
24.10.2011
Date
:
Unit
: V
Period : 3
LH / TH : LH
Topic : Applications in fluid power control
 Various application of fluid power control
circuits.
81
Class
: 73
24.10.2011
Date
:
Unit
: V
Period : 4
LH / TH : TH
Topic : Applications in fluid power control
 Various application of fluid power control
circuits.
82
Class
: 74
27.10.2011
Date
:
Unit
: V
Period : 7
LH / TH : LH
Topic : Fluid power circuits, failure &
troubleshooting
 Failure and trouble shooting of various fluid
power circuits.
83
Class
: 75
29.10.2011
Date
:
Unit : V
Period : 3
LH / TH : LH
Topic : Class test VIII : PLC
 Low cost automation.
 PLC with ladder diagram.
84
Class
: 76
31.10.2011
Date
:
Unit
: V
Period : 3
LH / TH : LH
Topic : Doubt Clarification Session
 Any Doubt in Unit I, II and III.
 A Overview of the subject.
85
Class
: 77
31.10.2011
Date
:
Unit
: V
Period : 4
LH / TH : LH
Topic : Doubt Clarification Session
 Any Doubt in Unit IV and V.
 A Overview of the subject.
86
Class
: 78
03.11.2011
Date
:
Unit
: V
Period : 7
LH / TH : LH
Topic : Doubt Clarification Session
 Doubt on any topics.
 A overview of the subject recap.
87
Class
: 79
Date
Unit
:
Period :
LH / TH :
Topic : Recap Session
:
 A overview of the subject recap.
88
Class
: 79
Date
Unit
:
Period :
LH / TH :
Topic : Recap Session
:
 A overview of the subject recap.
89
Class
: 79
Date
Unit
:
Period :
LH / TH :
Topic : Open Book Test
:
 As mentioned..
90
Open book test and Recap done till the
last day of syllabus completion
91
Thank U
All the Best to get Good marks in
the Examination.
92
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