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  • Question

  • A thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pressure (p). The minimum tangential stress at the outer surface of the shell is


  • Options
  • A. A thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pre
  • B. A thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pre
  • C. A thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pre
  • D. A thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pre

  • Correct Answer
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    • More questions

    • 1. Seam weiding is a

    • Options
    • A. continuous spot welding process
    • B. multi-spot welding process
    • C. arc welding process
    • D. process used for joining round bars
      • Discuss
    • 2. The tool material, for faster machining, should have

    • Options
    • A. wear resistance
    • B. red hardness
    • C. toughness
    • D. all of these
      • Discuss
    • 3. The function of a carburettor is to control the amount and ratio of air-fuel mixture.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The ratio of static friction to dynamic friction is always

    • Options
    • A. equal to one
    • B. less than one
    • C. greater than one
    • D. none of these
      • Discuss
    • 5. The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to

    • Options
    • A. 1/2 depth
    • B. 1/2 breadth
    • C. 1/2 sloping side
    • D. 1/4 (depth + breadth)
      • Discuss
    • 6. The line of action of the force of buoyancy acts through the centre of gravity of the volume of the liquid displaced.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The internal flue tubes of a Lancashire boiler are reduced in diameter at the back to provide access to the lower part of the boiler.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. If the speed of the engine is increased, the indicated power will

    • Options
    • A. increase
    • B. decrease
    • C. remain same
      • Discuss
    • 9. The compression ratio for petrol engines is

    • Options
    • A. 3 to 6
    • B. 5 to 8
    • C. 15 to 20
    • D. 20 to 30
      • Discuss
    • 10. The entropy of water at 0°C is assumed to be

    • Options
    • A. 1
    • B. 0
    • C. -1
    • D. 10
      • Discuss

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