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    latest mechanical Job Interview Questions And Answers


    Thermodynamics

    Why don't preparation your interviews. Best and top asking questions mechanical questions and answers. Prepare your job mechanical interview with us. Most frequently asked questions in mechanical interview. Top 10 most common mechanical interview questions and answer to ask. mechanical most popular interview question for fresher and experiences. We have good collection of mechanical job interview questions and answers. Ask interview questions and answers mnc company.employee ,fresher and student. mechanical technical questions asking in interview. Complete placement preparation for major companies tests and mechanical interviews,Aptitude questions and answers, technical, interview tips, practice tests, assessment tests and general knowledge questions and answers.

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    latest mechanical FAQ mechanical Interview Questions and Answers for Experiences and Freshers.


    Explain Second Law of Thermodynamics?

    The entropy of the universe increases over time and moves towards a maximum value.

    thermodynamics   jayvik 2014-10-14 06:09:39

    How a Diesel Engine Works as Generator?

    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.

    thermodynamics   jayvik 2014-10-14 06:09:15

    What is the difference between Critical Speed and Whirling Speed?

    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.

    thermodynamics   jayvik 2014-10-14 06:08:49

    Which has more efficiency: Diesel engine or Petrol engines?

    Off course Diesel engine has the better efficiency out of two.

    thermodynamics   jayvik 2014-10-14 06:08:29

    What is Hess Law?

    According to the Hess law the energy transfer is simply independent of the path being followed. If the reactant and the product of the whole process are the same then same amount of energy will be dissipated or absorbed.

    thermodynamics   jayvik 2014-10-14 06:07:59

    Which is the hardest compound known?

    Diamond.

    thermodynamics   jayvik 2014-10-14 06:06:57

    Which formula forms a link between the Thermodynamics and Electro chemistry?

    Gibbs Helmholtz formula is the formula which forms the link between the thermodynamics and electromagnetism.
    ?Hs/R = [? lnp /? (1/T)]x
    where: x – mole fraction of CO2 in the liquid phase
    p – CO2 partial pressure (kPa)
    T – temperature (K)
    R – universal gas constant
    a – mole ratio in the liquid phase (mole CO2 per mole of amine)
     

    thermodynamics   jayvik 2014-10-14 06:06:01

    What is Carnot engine?

    It was being designed by Carnot and let me tell you that Carnot engine is an imaginary engine which follows the Carnot cycle and provides 100% efficiency.

    thermodynamics   jayvik 2014-10-14 06:05:01

    Is the boiler a closed system?

    Yes definitely the boiler is a closed system.

    thermodynamics   jayvik 2014-10-04 15:02:50

    State Laws of conservation of energy?

    According to the laws of conservation of energy, “energy can neither be created nor be destroyed. It can only be transformed from one form to another.”

    thermodynamics   jayvik 2014-10-04 15:02:32

    How many Laws of Thermodynamics are there?

    Three laws of the thermodynamics.

    First Law: Energy can be neither created nor destroyed. It can only change forms.In any process in an isolated system, the total energy remains the same.

    Second Law: When two isolated systems in separate but nearby regions of space, each in thermodynamic equilibrium in itself, but not in equilibrium with each other at first, are at some time allowed to interact, breaking the isolation that separates the two systems, and they exchange matter or energy, they will eventually reach a mutual thermodynamic equilibrium. The sum of the entropies of the initial, isolated systems is less than or equal to the entropy of the final exchanging systems. In the process of reaching a new thermodynamic equilibrium, entropy has increased, or at least has not decreased.

    Third Law: As temperature approaches absolute zero, the entropy of a system approaches a minimum.
     

    mechanical   jayvik 2014-10-04 15:01:48

    What is the importance of the Thermodynamics in the field of Mechanical Engineering?

    All the mechanical engineering systems are studied with the help of thermodynamics. Hence it is very important for the mechanical engineers.

    mechanical   jayvik 2014-10-04 15:00:45



    latest mechanical questions and answers for experienced


    mechanical best Interview Questions have been designed especially to get you acquainted with the nature of questions you may encounter during your interview for the subject of mechanical Programming Language. here some questions that helpful for your interview. mechanical 2024 job interview questions with answers. mechanical for employee and fresher. Here we present some more challenging practice mechanical interview questions and answers that were asked in a real interview for a mechanical developer position. These questions are really good to not just test your mechanical skills, but also your general development knowledge. mechanical programming learning. we hope this mechanical interview questions and answers would be useful for quick glance before going for any mechanical job interview.