Hydraulics And Fluid Mechanics Set 15

Civil Engineering

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This set of Hydraulics and Fluid Mechanics Multiple Choice Questions & Answers (MCQs) focuses on Hydraulics And Fluid Mechanics Set 15

Q1 | When a body is placed over a liquid, it will sink down if
Q2 | The pressure of air
Q3 | If the coefficient of discharge is 0.6, then the discharge over a right angled notch is
Q4 | The velocity corresponding to Reynold number of 2000 is called
Q5 | The unit of surface tension is
Q6 | The velocity at which the turbulent flow starts is known as higher critical velocity.
Q7 | In order to measure the flow with a venturimeter, it is installed in
Q8 | The shear stress-strain graph for a non-newtonian fluid is a curve.
Q9 | The velocity of liquid flowing through an orifice varies with the available head of the liquid.
Q10 | The D-Alembert's principle is used for changing the dynamic equilibrium of a fluid mass, into a static equilibrium.
Q11 | When the Mach number is between
Q12 | The hoss of hed due to an obstruction in a pipe is twice the loss of head at its entrance.
Q13 | The dynamic viscosity of gases
Q14 | A fluid whose viscosity does not change with the rate of deformation or shear strain is known as
Q15 | If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in
Q16 | The property of a liquid which controls its rate of flow is called viscosity.
Q17 | Reyold's number is the ratio of the inertia force to the
Q18 | When the end contractions of the weir are suppressed, then number of end contractions (n) are taken as zero
Q19 | The specific gravity has no units.
Q20 | A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. Which of the following statement is correct?
Q21 | The stability of a dam is checked for
Q22 | The centre of buoyancy is the centre of area of the immersed body.
Q23 | The shear stress between the two liquid layers is
Q24 | The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is
Q25 | A nozzle placed at the end of a water pipe line discharges water at a
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