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https://opportunitytowin.blogspot.in/ is an online platform founded on 6 Dec. 2016 for Digital Resource about all about mechanical knowledge. We also review latest technologies and detailed study about mechanical topics . Basically we provide all data to fulfill curiosity of our readres. We want to make this platform into “One Stop Place For all Mechanical FAQs”.


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    Popular posts from this blog

    CHARPY V NOTCH IMPACT TEST

    CHARPY V NOTCH IMPACT TEST Object : To determine the amount of energy absorbed in fracturing a standardized test piece at a specified temperature. Method : A machined, notched specimen is broken by one blow from a pendulum. Because scatter occurs in the results, at least three specimens are used to assess the joint represented. Testing is carried out at a temperature specified in the appropriate application standard. Reporting Results: Location and orientation of the notch.  Testing temperature. Energy absorbed in joules.  Description of fracture appearance. Location of any defects. The Charpy impact test, measured in joules, is an assessment of TOUGHNESS. Transition temperature (curve) in steel.
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    Part -2 Most commonly asked Mechanical Interview Questions

    Most commonly asked Mechanical Interview Questions 1. What is the difference between Critical Speed and Whirling Speed? Ans. In Solid mechanics, in the field of rotor dynamics, the critical speed is the theoretical angular velocity which excites the natural frequency of a rotating object, such as a shaft, propeller or gear. As the speed of rotation approaches the objects natural frequency, the object begins to resonate which dramatically increases system vibration. The resulting resonance occurs regardless of orientation.Whirling Speed is due to the unbalanced forces acting on a rotating shaft. 2. How a Diesel Engine Works as Generator? Ans. Diesel engine is a prime mover, for a generator, pump,and for vehicles etc. generator is connected to engine by shaft. mostly in thermal power plat ,there is an engine is used to drive generator to generate power. 3. Explain Second Law of Thermodynamics? Ans. The entropy of the universe increases over tim...
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    Part -4 Most commonly asked Mechanical Interview Questions

    Most commonly asked Mechanical Interview Questions with answer 1.          What is Difference between stamina and strength? Ans.     Strength is capability over a short length of time and Stamina is the ability to keep going continuously. 2.          What is Hydro-static System? Ans.     Hydrostatics is the study of fluid bodies that are At rest Moving su ffi cient slowly so there is no relative motion between adjacent parts of the body For hydrostatic situations There are no shear stresses There are only pressure forces that act perpendicular to any surface. It’s a closed loop hydraulic systems. It comprises of motor and pump. Here pump supplies energy to motor and motor gives return energy to pump supply. 3.          What is Cotter joint? Ans.      A cotter j...
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