• Latest POSTS

    Mechanical Thermodynamics Quiz - Set 02

    Thermodynamics Online Quiz: Set - 02


    1. The property of the system, whose value for the entire system is equal to the sum of their values for the individual parts of the system, is called extensive property.
    Yes
    No

    2. A process, in which the gas is heated or expanded in such a way that product of its pressure and volume remains constant, is called isothermal process.
    Yes
    No

    3. A perpetual motion machine of the first kind is _________ according to first law of thermodynamics.
    Possible
    Impossible

    4. Wood charcoal is produced by heating the wood at 100°C.
    Yes
    No

    5. The amount of heat obtained by the complete combustion of 1 kg of a fuel when the products of its combustion are cooled down to the temperature of supplied air is called _________ calorific value of fuel.
    Higher
    Lower

    6. When a fluid is allowed to expand suddenly into a vacuum chamber through an orifice of large dimensions, the process is known as free expansion process.
    True
    False

    7. Water gas is obtained by passing air and a large amount of steam over waste coal at about 650°C.
    Correct
    Incorrect

    8. The dual combustion cycle consists of one constant pressure, two constant volume and two isentropic processes.
    Agree
    Disagree

    9. The free expansion process is a constant enthalpy process.
    Correct
    Incorrect

    10. The blast furnace gas is a by-product in the production of pig iron in the blast furnace.
    Yes
    No

    11. If the carbon content in the bituminous coal is 78 to 81%, it is said to be coking bituminous coal.
    Agree
    Disagree

    12. The bomb calorimeter is used for finding the _________ calorific value of solid and liquid fuels.
    Higher
    Lower

    13. The atomic mass of an element is the number of times the atom of that element is heavier than the hydrogen atom.
    True
    False

    14. The area under the temperature-entropy curve (i.e. T - s curve) of any thermodynamic process represents the work-done during the process.
    Agree
    Disagree

    15. As per Charles' law, the volume of a given mass of a perfect gas varies _________ as its absolute temperature, when the absolute pressure remains constant.
    Directly
    Indirectly

    16. Boyle's law states that change of internal energy of a perfect gas is directly proportional to the change of temperature.
    Agree
    Disagree

    17. The efficiency of Otto cycle depends upon the specific heats of the working substance.
    Yes
    No

    18. It is ________ to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work.
    Possible
    Impossible

    19. Briquetted coal is produced from the finely ground coal by moulding under pressure with or without a binding material.
    True
    False

    20. The absolute pressure of a given mass of a perfect gas varies inversely as its volume, when the temperature remains constant. This statement is known as Boyle's law.
    Yes
    No

         Score =

    Correct answers:

    • Blogger Comments
    • Facebook Comments

    Post a Comment

    Item Reviewed: Mechanical Thermodynamics Quiz - Set 02 Rating: 5 Reviewed By: Pranab Debnath
    Scroll to Top