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  • Question

  • The extension of a circular bar tapering uniformly from diameter d1 at one end to diameter d2 at the other end, and subjected to an axial pull of P is given by


  • Options
  • A. The extension of a circular bar tapering uniformly from diameter d1 at one end to diameter d2 at the
  • B. The extension of a circular bar tapering uniformly from diameter d1 at one end to diameter d2 at the
  • C. The extension of a circular bar tapering uniformly from diameter d1 at one end to diameter d2 at the
  • D. The extension of a circular bar tapering uniformly from diameter d1 at one end to diameter d2 at the

  • Correct Answer
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    • More questions

    • 1. The amount by which the outer edge of the rail is raised, is known as super-elevation.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 2. Process layout is also known as

    • Options
    • A. analyticallayout
    • B. synthetic layout
    • C. static product layout
    • D. none of these
      • Discuss
    • 3. There is no change in internal energy in an isothermal process.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 4. Combustuion of fuel takes place __________ the engine cylinder of a steam engine.

    • Options
    • A. outside
    • B. inside
      • Discuss
    • 5. The neutral axis of the cross-section a beam is that axis at which the bending stress is

    • Options
    • A. zero
    • B. minimum
    • C. maximum
    • D. infinity
      • Discuss
    • 6. The refrigerant used in small-tonnage commercial machines (hermetically sealed units) is

    • Options
    • A. ammonia
    • B. carbon dioxide
    • C. sulphur dioxide
    • D. R-12
      • Discuss
    • 7. A centrifugal compressor is an axial flow compressor.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 8. Second law of thermodynamics defines

    • Options
    • A. heat
    • B. work
    • C. internal energy
    • D. entropy
      • Discuss
    • 9. An open structure of a grinding wheel is denoted by the number 1 to 8.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 10. The ratio of total useful heat drop to the total isentropic heat drop, is called

    • Options
    • A. stage efficiency
    • B. internal efficiency
    • C. Rankine efficiency
    • D. none of these
      • Discuss

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