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    Test Quiz Mechanical Engineering - Set 22

    1. The discharge through a turbine is
    Directly proportional to H1/2
    Inversely proportional to H1/2
    Directly proportional to H3/2
    Inversely proportional to H3/2

    2. Which of the following is not wage incentive plan?
    Differential piece rate system
    Rowan plan
    Emerson plan
    Taylor plan

    3. When the shear angle is large
    Path of shear is short and chip is thin
    Path of shear is large and chip is thick
    Path of shear is short and chip is thick
    Path of shear is large and chip is thin

    4. Barometer is used to measure
    Velocity of liquid
    Atmospheric pressure
    Pressure in pipes and channels
    Difference of pressure between two points in a pipe

    5. Planck's law holds good for
    Black bodies
    Polished bodies
    All coloured bodies
    All of the above

    6. Which of the following is not an impulse turbine?
    Girad turbine
    Turgo turbine
    Pelton wheel
    Kaplan turbine

    7. If the temperature of a solid surface changes from 27°C to 627°C, then its emissive power changes in the ratio of

    8. A cotter joint is used to transmit
    Axial tensile load only
    Axial compressive load only
    Combined axial and twisting loads
    Axial tensile or compressive loads

    9. An aluminium member is designed on the basis of
    Yield stress
    Elastic limit stress
    Proof stress
    Ultimate stress

    10. The thermostatic expansion valve is also called
    Constant pressure valve
    Constant temperature valve
    Constant superheat valve
    None of these

    11. A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit power of the wheel is
    0.25 kW
    0.75 kW
    1.75 kW
    3.75 kW

    12. Galvanizing is a
    Zinc diffusion process
    Process of coating zinc by hot dipping
    Process used for making thin phosphate coating on steel
    None of the above

    13. The first method invented for planning projects was
    Bar chart method
    Milestone chart
    Critical path method (CPM)
    Programme evaluation and review technique (PERT)

    14. Which of the following statement is correct as regard to up milling?
    It can not be used on old machines due to backlash between the feed screw of the table and the nut
    The chips are disposed off easily and do not interfere with the cutting
    The surface milled appears to be slightly wavy
    The coolant can be poured directly at the cutting zone where the cutting force is maximum

    15. The mechanical efficiency of an impulse turbine is
    Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine
    Ratio of the actual work available at the turbine to the energy imparted to the wheel
    Ratio of the Work done on the wheel to the energy of the jet
    None of the above

    16. The edges of the boiler plates are bevelled to an angle of _______degree?

    17. Neutral flame is used to weld
    Cast iron
    All of these

    18. Probabilistic time for completion of any activity can be found out from
    Optimistic time
    Pessimistic time
    Most likely time
    All of these

    19. The type of tool used on lathe, shaper and planer is
    Single point cutting tool
    Two point cutting tool
    Three point cutting tool
    Multipoint cutting tool

    20. Buffing wheels are made of
    Softer metals
    Cotton fabric

         Score =

    Correct answers:

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    Item Reviewed: Test Quiz Mechanical Engineering - Set 22 Rating: 5 Reviewed By: Pranab Debnath
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