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ME2305/ME55/ME 1305/10122 ME506/080120027 Applied Hydraulics and Pneumatics November / December 2012 Question Paper Mechanical Engineering 5th sem Regulation 2008



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BE/B Tech Degree Examination November / December  2012

ME2305/ME55/ME 1305/10122 ME506/080120027 Applied Hydraulics and Pneumatics November / December  2012 Question Paper Mechanical Engineering 5th sem  Regulation 2008

Department of Mechanical Engineering 

Meant for Anna University Coimbatore,trichy,trinelveli

Question Paper
(Regulation 2008)
___________________________________________________________________________________
Details:
University:Anna University
Year: Second  Year
Department: Mechanical Engineering
Semester: THREE  (V)
Content: ME2305/ME55/ME 1305/10122 ME506/080120027 Applied Hydraulics and Pneumatics November / December  2012 Question Paper Mechanical Engineering 5th sem  Regulation 2008
Subject code:  ME2305/ME55/ME 1305/10122 ME506/080120027 
Subject Name: Applied Hydraulics and Pneumatics 
Regulation: 2008 
Post Type: Question Paper
Question Paper  year: November / December  2012





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CONTENTS COVERED


UNIT I FLUID POWER SYSTEMS AND FUNDAMENTALS 9
Introduction to fluid power, Advantages of fluid power, Application of fluid power system.
Types of fluid power systems, Properties of hydraulic fluids – General types of fluids –
Fluid power symbols. Basics of Hydraulics-Applications of Pascals Law- Laminar and
Turbulent flow – Reynold’s number – Darcy’s equation – Losses in pipe, valves and
fittings.

UNIT II HYDRAULIC SYSTEM & COMPONENTS 9
Sources of Hydraulic Power: Pumping theory – Pump classification – Gear pump, Vane
Pump, piston pump, construction and working of pumps – pump performance – Variable
displacement pumps. Fluid Power Actuators: Linear hydraulic actuators – Types of
hydraulic cylinders – Single acting, Double acting special cylinders like tanden, Rodless,
Telescopic, Cushioning mechanism, Construction of double acting cylinder, Rotary
actuators – Fluid motors, Gear, Vane and Piston motors.


UNIT III DESIGN OF HYDRAULIC CIRCUITS 9 
Construction of Control Components : Directional control valve – 3/2 way valve – 4/2 
way valve – Shuttle valve – check valve – pressure control valve – pressure reducing 
valve, sequence valve, Flow control valve – Fixed and adjustable, electrical control 
solenoid valves, Relays, ladder diagram. Accumulators and Intensifiers: Types of 
accumulators – Accumulators circuits, sizing of accumulators, intensifier – Applications 
of Intensifier – Intensifier circuit. 
 
UNIT IV PNEUMATIC SYSTEMS AND COMPONENTS 9 
Pneumatic Components: Properties of air – Compressors – Filter, Regulator, Lubricator 
Unit – Air control valves, Quick exhaust valves, pneumatic actuators. Fluid Power Circuit 
Design, Speed control circuits, synchronizing circuit, Penumo hydraulic circuit, 
Sequential circuit design for simple applications using cascade method. 
 
UNIT V DESIGN OF PNEUMATIC CIRCUITS 9 
Servo systems – Hydro Mechanical servo systems, Electro hydraulic servo systems and 
proportional valves. Fluidics – Introduction to fluidic devices, simple circuits, Introduction 
to Electro Hydraulic Pneumatic logic circuits, ladder diagrams, PLC applications in fluid 
power control. Fluid power circuits; failure and troubleshooting. 

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