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  1. LVDT used for displacement measurement is a/an __________ transducer.

  2. A.
    passive
    B.
    active
    C.
    capacitive
    D.
    none of these

  3. A static fluid can not have

  4. A.
    zero shear stress.
    B.
    positive normal stress.
    C.
    non-zero shear stress.
    D.
    none of these.

  5. In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the

  6. A.
    range is 15°F.
    B.
    approach is 10°F.
    C.
    both (a) & (b).
    D.
    neither (a) nor (b).

  7. Glass reacts with

  8. A.
    H2SO3
    B.
    HF
    C.
    HNO3
    D.
    K2Cr2O7

  9. The cost of providing service in a queing system decreases with the

  10. A.
    increased mean time in the queue.
    B.
    increased arrival rate.
    C.
    decreased mean time in the queue.
    D.
    decreased arrival rate.

  11. The activity co-efficient of the solute in a dilute solution

  12. A.
    decreases with the increase of concentration of the solute.
    B.
    increases with the increase of concentration of the solute.
    C.
    remains constant.
    D.
    is unity at infinite dilution.

  13. Constituents of stellite are

  14. A.
    zinc, copper & nickel.
    B.
    cobalt, chromium & tungsten.
    C.
    zinc, aluminium & nickel.
    D.
    nickel, cobalt & vanadium.

  15. The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature.

  16. A.
    air
    B.
    water
    C.
    mercury
    D.
    alcohol

  17. Multistage compression is necessary for high efficiency,

  18. A.
    if the ratio of the delivery pressure to the intake pressure exceeds 5:1.
    B.
    when large amount of gas is to be compressed.
    C.
    when the delivered gas is desired at very high velocity.
    D.
    none of these

  19. __________ can not increase the fatigue strength of a material.

  20. A.
    Grain refining
    B.
    Grain coarsening
    C.
    Surface hardening
    D.
    Shot peening