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Home Mechanical Engineering Hydraulics and Fluid Mechanics See What Others Are Saying!
  • Question
  • Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, at right angles to the direction of flow of the liquid is known as lift.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • More questions

    • 1. The hardness and tensile strength in austenitic stainless steel can be increased by

    • Options
    • A. hardening and cold working
    • B. normalising
    • C. martempering
    • D. full annealing
    • Discuss
    • 2. When a gear box has four forward speeds and one reverse speed, it is said to be a

    • Options
    • A. 3-speed gear box
    • B. 4-speed gear box
    • C. 5-speed gear box
    • D. 6-speed gear box
    • Discuss
    • 3. The metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement.

    • Options
    • A. The bodies A and B have equal stability
    • B. The body A is more stable than body B
    • C. The body B is more stable than body A
    • D. The bodies A and B are unstable
    • Discuss
    • 4. Which of the following refrigerant has the lowest freezing point?

    • Options
    • A. R-11
    • B. R-12
    • C. R-22
    • D. Ammonia
    • Discuss
    • 5. The pressure measured with the help of a piezometer tube is in

    • Options
    • A. N/mm2
    • B. N/m2
    • C. head of liquid
    • D. all of these
    • Discuss
    • 6. The width of cutting edge of a parting-off tool varies from

    • Options
    • A. 3 to 12 mm
    • B. 5 to 20 mm
    • C. 8 to 30 mm
    • D. 15 to 40 mm
    • Discuss
    • 7. Cast iron is manufactured in

    • Options
    • A. blast furnace
    • B. cupola
    • C. open hearth furnace
    • D. bessemer converter
    • Discuss
    • 8. For the same maximum pressure and heat input, the exhaust temperature of petrol engine is __________ than that of diesel engine.

    • Options
    • A. less
    • B. more
    • Discuss
    • 9. The workdone on a compressor will be minimum if air is taken from

    • Options
    • A. the atmosphere
    • B. a source at 0° C
    • C. a source of low temperature air
    • D. a source of high temperature air
    • Discuss
    • 10. A diamond pointed chisel is used for cutting

    • Options
    • A. flat surfaces
    • B. grooves
    • C. keyways
    • D. V-shaped grooves
    • Discuss


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