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Mechanical Engineering :: Thermodynamics

Thermodynamics - Section 1
Thermodynamics - Section 2
Thermodynamics - Section 3
Thermodynamics - Section 4
Thermodynamics - Section 5
Thermodynamics - Section 6
Thermodynamics - Section 7
Thermodynamics - section-8

  1. The standard value of atmospheric pressure taken at sea level is

    2. A.

    1.013 bar
    B.

    760 mm of Hg
    C.

    1013 x 102 N/m2
    D.

    all of these

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  2. The efficiency of Otto cycle depends upon the specific heats of the working substance.

    3. A.

    Yes
    B.

    No

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  3. The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as

    4. A.

    element
    B.

    compound
    C.

    atom
    D.

    molecule

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  4. The absolute zero pressure can be attained at a temperature of

    5. A.

    0°C
    B.

    273°C
    C.

    273 K
    D.

    none of these

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  5. One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and __________ kg of water or steam.

    6. A.

    9/7
    B.

    11/7
    C.

    7/4
    D.

    11/4

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