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  1. Production of a hollow product by inflation of a tube or parison is called the __________ process.

  2. A.
    blow moulding
    B.
    calendering
    C.
    extrusion
    D.
    injection

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  3. A spark ignition petrol engine has

  4. A.
    throttle valve
    B.
    carburettor
    C.
    both (a) & (b)
    D.
    neither (a) nor (b)

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  5. Out of the following, the highest emf for a given temperature is generated by the __________ thermocouple.

  6. A.
    chromel - alumel
    B.
    iron - constantan
    C.
    platinum - platinum + rhodium
    D.
    copper-constantan

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  7. Which is the only metal that exists in liquid state at room temperature?

  8. A.
    Sodium
    B.
    Mercury
    C.
    Lithium
    D.
    Strontium

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  9. An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform cross-section.

  10. A.
    adiabatic
    B.
    isothermal
    C.
    isentropic
    D.
    isochoric

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  11. A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is

  12. A.
    -0.8
    B.
    0.8
    C.
    +0.08
    D.
    -0.24

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  13. The quantity of electricity required to deposit one gm equivalent of any substance is one

  14. A.
    ampere
    B.
    coulomb
    C.
    microfaraday
    D.
    faraday

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  15. Surface tension is due to the __________ forces.

  16. A.
    viscous
    B.
    adhesive
    C.
    cohesive
    D.
    difference between adhesive & cohesive

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  17. At absolute zero temperature, for any reaction involving condensed phases

  18. A.
    Δ G° = 0 , Δ H° = 0
    B.
    Δ H° = 0 , Δ S° = 0
    C.
    Δ S° = 0 , Δ E° = 0
    D.
    Δ S° = 0 , Δ Cp° = 0

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  19. Metals in general have a low value of thermal

  20. A.
    conductivity
    B.
    diffusivity
    C.
    inertia
    D.
    all (a), (b) & (c)

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