Oil Hydraulics and Pneumatics
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Follow on Instagram for UpdatesOil Hydraulics and Pneumatics Syllabus — Unit-wise Content
The official GTU curriculum for Oil Hydraulics and Pneumatics (subject code 2730807) as prescribed for M(D · Semester 3 divides the course into 7 units, covering 62 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (2730807)Unit 1 Introduction
- Functional requirements of a power transmission
- how these requirements can be fulfilled by various power transmission systems like mechanical
- oil hydraulic
- electrical or their combinations
- Fundamentals of oil hydraulics and pneumatics
- Control functions of oil hydraulic systems
- Comparison between Mechanical
- Pneumatic and Electrical power transmission systems
- disadvantages and Applications of Oil Hydraulic and Pneumatic power transmissions
Unit 2 System Components
- Hydraulic & Pneumatic Symbols as per ISO/ANSI
- Properties and selection of hydraulic fluids
- Hydraulic Reservoirs and Accumulators
- Intensifiers or Pressure Boosters
- Seals and Packing
Unit 3 Oil Hydraulic Pumps and Actuators
- working principle and operation of rotary & reciprocating pumps like Gear
- Axial Piston
- Radial Piston
- Pump characteristics
- Specifications and selection of pumps
- Linear actuators like Ram type
- Telescopic and Single acting/double acting
- types of their constructions
- types of mountings
- cylinder materials
- cushioning of hydraulic cylinders
- Rotary actuators
- sizing and selection of pumps and actuators
Unit 4 Control Valves
- working principle and operation of Direction control valves
- Flow control valves and Pressure control valves
- including Check
- Pressure relief
- Compound Pilot operated Pressure Relief
- Pressure Reducing
- Counterbalance valves
- Different types of center positions of DCVs
- Methods of actuation of DCVs
Unit 5 Hydraulic and Pneumatic Controllers used in Feedback Control systems
- working principle and operation of Proportional and Servo control valves including Servo-type DCV like nozzle valve
- flapper type valve
- mechanical servo valve
- single and double stage servo valves
- Applications of servomotor systems in feedback control systems
Unit 6 Hydraulic Circuits
- quick return
- flow control circuits
- synchronizing circuits
- accumulator circuits
- industrial circuits like press circuits
- machine tool circuits
- earth mover circuits- design and selection of components
Unit 7 Pneumatic Systems and Circuits
- Pneumatic fundamentals
- working principle and operation of pneumatic power transmission system components like Power source
- FRL unit
- Actuators and control valves like DCV, FCV, PCV, time delay
- quick exhaust
- twin pressure
- Pneumatic circuits like reciprocating circuits
- switching circuits
- sequential circuits
- hydro pneumatic circuits
- solenoid operated circuits
- simple logic circuits
- Programmable logic circuits using PLC/Microcontroller and their applications
- sizing and specifications of pneumatic components
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