Hydraulics And Fluid Mechanics Set 16

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This set of Hydraulics and Fluid Mechanics Multiple Choice Questions & Answers (MCQs) focuses on Hydraulics And Fluid Mechanics Set 16

Q1 | Bernoulli's equation is applied to
Q2 | The flow in a pipe is laminar, when Reynold number is less than 2000.
Q3 | Select the wrong statement
Q4 | A vessel of 4 m3 contains an oil which weighs 30 kN. The specific weight of the oil is
Q5 | The quantity of a liquid flowing per second through a section of a pipe or a channel is called discharge and is measured in cumecs (m3/s).
Q6 | Water is
Q7 | The specific weight of sea water is
Q8 | The separation of flow occurs when the hydrodynamic boundary layer thickness is reduced to zero.
Q9 | The specific weight of compressible fluids does not remain constant.
Q10 | An internal mouthpiece is said to be runing
Q11 | Turbulent flow takes place at high velocities.
Q12 | The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called
Q13 | The ratio of the inertia force to the surface tension force is called Weber's number.
Q14 | A venturiflume is used to measure
Q15 | A fluid whose viscosity changes with the rate of deformation or shear strain is known as non-newtonian fluid.
Q16 | Falling drops of water become spheres due to the property of
Q17 | A flow in which the quantity of liquid flowing per second is not constant, is called
Q18 | A flow whose streamline is represented by a straight line, is called
Q19 | The rise of liquid along the walls of a revolving cylinder about the initial level is
Q20 | A nirform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is
Q21 | A point, in a compressible flow where the velocity of fluid is zero, is called
Q22 | The coefficient of viscosity may be determined by
Q23 | Coefficient of contraction is the ratio of
Q24 | In an external or internal mouthpiece, the absolute pressure head at vena contracta is zero when atmospheric pressure head is 10.3 m of water.
Q25 | When the pressure intensity at a point is less than the local atmospheric pressure, then the difference of these two pressures is called vacuum pressure.