Hydraulics And Fluid Mechanics MCQ
Test your knowledge with important Hydraulics And Fluid Mechanics MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Hydraulics And Fluid Mechanics MCQs on Bissoy. Bissoy App
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Metacentric height for small values of angle of heel is the distance between the
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A floating body is said to be in a state of stable equilibrium
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A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m<sup>3</sup>, then the weight of the block is
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A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is
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The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will
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Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is
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Differential monometer is used to measure
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The pitot tube is used to measure
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A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ?
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The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe)
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The velocity of jet of water travelling out of opening in a tank filled with water is proportional to
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The speed of sound in a ideal gas varies directly as its
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Which of the following is an incorrect statement ?
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Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem
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Units of surface tension are
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If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is
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The value of mass density in kg.sec<sup>2</sup>m<sup>4</sup> for water at 0°C is
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Total pressure on a 1m × 1m gate immersed vertically at a depth of 2 m below the free water surface will be
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Size of a venturimeter is specified by
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When the velocity distribution is uniform over the cross-section, the correction factor for momentum is
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The speed of a pressure wave through a pipe depends upon
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The maximum thickness of boundary layer in a pipe of radius r is
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The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is
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For pipes, laminar flow occurs when Roynolds number is
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Which of the following instrument can be used for measuring speed of a submarine moving in deep sea
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The losses are more in
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In steady flow of a fluid, the total accele ration of any fluid particle
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A closed tank containing water is moving in a horizontal direction along a straight line at a constant speed. The tank also contains a steel ball and a bubble of air. If the tank is decelerated horizontally, then<br>i) the ball will move to the front<br>ii) the bubble will move to the front<br>iii) the ball will move to the rear<br>iv) the bubble will move to the rear <br>Find out which of the above statements are correct ?
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Stanton diagram is a
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A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is