Articles Posted in the " Theory of Machines " Category

  • DEGREES OF FREEDOM MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    DEGREES OF FREEDOM MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    DEGREES OF FREEDOM MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS Degrees of freedom are the number of independent variables for free motion of a body or a mechanism. MCQ on degrees of freedom increases the level of understanding and clarity. A particle in space has threes of freedom. A rigid body in space has six degrees […]


  • VIBRATIONS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    VIBRATIONS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    VIBRATIONS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS   MCQ increases depth of understanding. It gives a high degree of clarity. Vibration is a periodic motion. It is like reversal loading. It is highly dangerous. Vibrations are free & forced vibrations with /without damping. Vibrations causes unpleasant sound. It weakens the foundation of a structure.   […]


  • GEARS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    GEARS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    GEARS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ increase the level of understanding and clarity. Gears transmit power and motion between the driver and the driven shafts. Normally motor or engine shaft is driver and the machine shaft is driven. MCQ help in the design of gear drive. The center distance for a gear drive […]


  • CHAIN DRIVE MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    CHAIN DRIVE MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    CHAIN DRIVE MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ increases the understanding and the level of clarity about a chain dive. Chain drive has no noise and vibrations. This is used for short and long distances. Velocity ratio permittedis up to 10: 1. There is no slip and creep. The wheels on which chain runs […]


  • BELTS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    BELTS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    BELTS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS MCQ increases understanding and level of clarity. Fundamentals are easily applied in real life applications. Power transmission is by friction. Belts, ropes, chains and gear do power transmission. There is a driver and a driven. Driver is the pulley or gear mounted on the motor or engine shaft. […]


  • POLAR & MOMENT OF INERTIA MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    POLAR & MOMENT OF INERTIA MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

    POLAR & MOMENT OF INERTIA MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS  MCQ increase the clarity and understanding. Moment of inertia plays its role in bending. Higher value resists bending. Highest value is for I-shaped cross section. Polar moment of inertia is important for circular motion as in shafts. Higher value of polar moment of inertia […]


  • BELT DRIVE CLASS NOTES FOR MECHANICAL ENGINEERING

    BELT DRIVE CLASS NOTES FOR MECHANICAL ENGINEERING

      BELT DRIVE CLASS NOTES FOR MECHANICAL ENGINEERING  Belts, chains and gears transmit power from one shaft to the another shaft. Use belts and ropes where distance between the two shafts is large. The chains are used for intermediate distances. The gears are used for shorter distance between the shafts. Gear drive is a positive […]


  • FATIGUE CLASS NOTES FOR MECHANICAL ENGINEERING

    FATIGUE CLASS NOTES FOR MECHANICAL ENGINEERING

      FATIGUE CLASS NOTES FOR MECHANICAL ENGINEERING It is the failure of material under reversal of stress. Fatigue reduces the strength of a material. Notable Fatigue Failures Versailles train disaster The 1862 Hartley Colliery Disaster De Havilland Comet crash Alexander L. Kierland oil platform capsizing The 1919 Great Molasses Flood The 1948 Northwest Airlines Flight […]


  • FATIGUE MECHANICAL LIFE DESIGN-A REVIEW CLASS NOTES

    FATIGUE MECHANICAL LIFE DESIGN-A REVIEW CLASS NOTES

        https://www.mesubjects.net/wp-admin/post.php?post=2271&action=edit    Q.A. Slope Deflection https://www.mesubjects.net/wp-admin/post.php?post=7644&action=edit     Laminated springs FATIGUE MECHANICAL LIFE DESIGN-A REVIEW CLASS NOTES  Abstract Fatigue is due to cyclic loading and unloading of one kind or the other. It is due to the presence of discontinuities in the material. Mostly fatigue failure is progressive and plastic in nature. It is […]


  • GEARS CLASS NOTES INTERVIEW SHORT QUESTION ANSWERS

    GEARS CLASS NOTES INTERVIEW SHORT QUESTION ANSWERS

    GEARS CLASS NOTES INTERVIEW SHORT QUESTION ANSWERS  Question answers makes a topic highly clear and understood. This helps in the design & manufacture of gears. Gears are used in power transmission. Discuss the advantages and disadvantages of         an involutes profile. A. Advantages of involutes profile Manufacturing is accurate and easy. Pressure […]