Hydraulics & Fluid Mechanics Mcqs


Q.  Euler’s dimensionless number relates the following_______________?

a. inertial force and gravity
b. viscous force and inertial force
c. viscous force and buoyancy force
d. pressure force and inertial force
e. pressure force and viscous force


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MCQs:  Buoyant force is___________________?
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MCQs:  Ratio of inertia force to surface Jension is known as ________________________?
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MCQs:  When a body floating in a liquid, is displaced slightly, it oscillates about ___________________?
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MCQs:  A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ?
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MCQs:  For a floating body to be in stable equilibrium, its metacentre should be_________________ ?
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MCQs:  A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ?
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MCQs:  A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ?
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MCQs:  Ratio of inertia force to elastic force is known as _____________________?
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MCQs:  For a floating body to be in equilibrium __________________?
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MCQs:  An open vessel of water is accelerated up an inclined plane. The free water surface will___________________?
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MCQs:  Center of pressure on an inclined plane is______________________?
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MCQs:  The two important forces for a floating body are___________________?
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MCQs:  Resultant pressure of the liquid in the case of an immersed body acts through _________________?
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MCQs:  Differential monometer is used to measure _______________________?
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MCQs:  The line of action of the buoyant force acts through the centroid of the ___________________?
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MCQs:  The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm”. The pressure at 2.5 m below the oil surface will be ___________________?
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MCQs:  In an immersed body, center of pressure is ____________________?
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MCQs:  The time oscillation of a floating body with increase in metacentric height will be________________?
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MCQs:  The normal stress is same in all directions at a point in a fluid ___________________?
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MCQs:  Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be ___________________?
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