| 1. | A reversible engine operates between temperatures T1 and T2. The energy rejected by this engine is received by a second reversible engine at temperature T2 and rejected to a reservoir at temperature T3. If the efficiencies of the engines are same then, the relationship between T1, T2 and T3 is given by ? | |
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T2 = (T1 + T3)/2
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T2 = sqrt {(T1)2 + (T3)2}
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T2 = sqrt (T1 * T3)
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None of these
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Report Question| 2. | The channel section considered to have the highest efficiency is ? | |
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Quadrant
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Square
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Trapezoid
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Triangular
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| 3. | Any liquid flow, obeys the following ? | |
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Capillary action
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Bernoulli's equation
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Continuity equation
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Newton's law of viscosity
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| 4. | According to principle of floatation, the weight of liquid displaced as compared to the weight of the body is ? | |
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more
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less
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same
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depending upon the shape of the body
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| 5. | Metacentric height is the distance between ? | |
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CG of body and centre of pressure
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CG of body and the metacentre
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CG of body and centre of buoyancy
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None of these
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| 6. | Surface tension is caused by the force of ______ at the free surface ? | |
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Cohesion
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adhesion
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both cohesion and adhesion
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None of these
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| 7. | The intensity of pressure in a liquid due its depth will, vary with depth ? | |
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directly
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indirectly
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Both directly and directly
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None of these
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| 8. | The metacentric height of sailing ships is ? | |
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0.45 m to 1.25 m
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1.5m to 3.5m
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0.25 m to 0.35 m
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5 m to 7.5m
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| 9. | The discharge through a pipe can be measured with ? | |
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a venturimeter
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an orificemeter
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a flow nozzle
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All option are correct
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| 10. | The coefficient of friction in term or Reynold's number is ? | |
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16/Re
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32/Re
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8/Re
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10/Re
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