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Home ‣ Mechanical Engineering ‣ Hydraulics and Fluid Mechanics See What Others Are Saying!
  • Question

  • An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity)


  • Options
  • A. tan ? = a/g
  • B. tan ? = 2 a/g
  • C. tan ? = a/2g
  • D. tan ? = a2/2g

  • Correct Answer
  • tan ? = a/g 

    • 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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