Dynamics of Machinery

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DOM Question Bank  

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FRICTION

• Friction - Basic Understanding

• Types of Friction, Laws of Static Friction, Limiting Angle of Friction, Angle of Repose

• Minimum Force required to slide a body on a Rough Horizontal Plane

• The Friction of a body lying on Rough Inclined Plane

• The Efficiency of an Inclined Plane

• Screw Friction, Screw Jack, Torque required to lift the load by a Screw Jack

• The torque required to lower the load by a Screw Jack, Efficiency of a Screw Jack, Maximum Efficiency of a Screw Jack

• The friction of Pivot and Collar Bearings - Introduction

• Flat Pivot Bearing - Derivation

• Conical Pivot Bearing - Derivation

• Trapezoidal or Truncated Conical Pivot Bearing

• Flat Collar Bearing

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CLUTCHES

• Friction Clutches

• Single Disc or Plate Clutch

• Single Plate Clutch Video

• Multi-Plate Clutch

• Multiplate Clutch Video

• Cone Clutch

• Cone Clutch Video

• Centrifugal Clutch

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BRAKES

• Simple Block/Shoe Brake

• Pivot Block/Shoe Brake

• Internal Expanding Shoe

• Simple Band Brake 

• Band and Block Brake

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DYNAMOMETERS

• Absorption Dynamometers

• Prony Brake Dynamometer

• Rope Brake Dynamometer

• Transmission Dynamometers

• Epicyclic Dynamometer

• Bevis Gibson Dynamometer

• Belt Dynamometer

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TURNING MOMENT DIAGRAMS

• Turning Moment Diagram, Flywheels, Maximum Fluctuation of Energy, Coefficient of Fluctuation of Speed, Coefficient of Fluctuation of Energy

• Turning Moment Diagram for 4 Stroke IC Engine

• Energy Stored in a Flywheel - Derivation

• Problems - Turning Moment Diagram & Flywheel
• Model-1
• Model-2, Model-3, Model-4
• Model-5

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PRECESSION

• Precession & Gyroscope

• Precessional Angular Motion & Gyroscopic Couple

• Stability of an Aeroplane 

• Problems on Aeroplane

• Stability of a Naval Ship & Problems

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• Stability of a 4 Wheel Vehicle when taking a turn

• Special Problem on 4 Wheel Vehicle

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• Stability of a 2 Wheel Vehicle when taking a turn

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GOVERNORS

• Introduction, Types of Governors, Terms used in Governors

• Watt Governor

• Porter Governor

• Porter Governor - Virtual Lab Experiment

• Proell Governor

• Proell Governor - Virtual Lab Experiment

• Hartnell Governor

• Hartnell Governor - Virtual Lab Experiment

• Hartung Governor

• Wilson Hartnell Governor

• Pickering Governor

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BALANCING

Balancing of Reciprocating Masses

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VIBRATIONS

• Logarithmic Decrement

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Short Answer Question and Answers

• Precession

• Turning Moment Diagrams and Flywheel

• Governors

• Balancing

• Vibrations

• Balancing of Reciprocating Masses

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