| 1. | Which of the following statements is not true ? | |
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fluids are capable of flowing
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fluids conform to the shape of the containing vessels
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when in equilibrium, fluids cannot sustain tangential forces
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when in equilibrium, fluids can sustain shear forces
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Report Question| 2. | The conditions of the stable equilibrium of a floating body are ? | |
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the meta-centre should lie above the centre of gravity
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the centre of buoyancy and the centre of gravity must lie on the same vertical line
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a righting couple should be formed
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All options are correct
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| 3. | A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury ? | |
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the metal piece will simply float over the mercury
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the metal piece will be immersed in mercury by half
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whole of the metal piece will be immersed with its top surface just at mercury level
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metal piece will sink to the bottom
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| 4. | If the surface of the liquid is convex, then ? | |
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cohesion pressure is negligible
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cohesion pressure is decreased
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cohesion pressure is increased
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None of these
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| 5. | Liquids transmit pressure equally in all the directions. This is according to ? | |
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Boyle’s law
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Archimede’s law
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Pascal’s law
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Newton’s formula
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| 6. | Mercury is often used in barometer because: A. It is the best liquid B. The height of barometer will be less C. Its vapour pressure is so low that it may be neglected ? | |
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Only A
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Only B
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Both A and B
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Neither A nor B
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| 7. | Cipolletti notch is designed as trapezoid with its sides sloping at 1 horizontal and ? | |
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1 vertical
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2 vertical
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3 vertical
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4 vertical
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| 8. | Mercury is often used in barometer because: A. It is the best liquid B. The height of barometer will be less C. Its vapour pressure is so low that it may be neglected ? | |
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Only A
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Only B
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Both A and B
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Neither A nor B
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| 9. | The flow in venturi flume takes place at ? | |
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atmospheric pressure
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at pressure greater than atmospheric pressure
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vacuum
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high pressure
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| 10. | A hydraulic ram acts like ? | |
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a centrifugal pump
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a rotary pump
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a reciprocating pump
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an impulse pump
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