# Hydraulics And Fluid Mechanics Set 6

This set of Hydraulics and Fluid Mechanics Multiple Choice Questions & Answers (MCQs) focuses on Hydraulics And Fluid Mechanics Set 6

Q1 | The center of pressure of a surface subjected to fluid pressure is the point
Q2 | The variation in the volume of a liquid with the variation of pressure is called its
Q3 | The surface tension of mercury at normal temperature is __________ that of water.
Q4 | Flow of water in a pipe about 3 metres in diameter can be measured by
Q5 | According to Francis formula, the discharge over a rectangular weir is (where n = Number of end contractions)
Q6 | The equation of continuity holds good when the flow
Q7 | A thick liquid like syrup has a __________ viscosity than a light liquid like water.
Q8 | Cavitation will begin when
Q9 | When a liquid is flowing through a pipe, the velocity of the liquid is
Q10 | The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.
Q11 | Resultant pressure of the liquid in the case of an immersed body acts through
Q12 | A fluid is said to be ideal, if it is
Q13 | In a depressed nappe
Q14 | The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to
Q15 | In one dimensional flow, the flow
Q16 | To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than
Q17 | The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe)
Q18 | Metacentre is the point of intersection of
Q19 | The imaginary line drawn in the fluid in such a way that the tangent to any point gives thedirection of motion at that point, is known as
Q20 | An open vessel of water is accelerated up an inclined plane. The free water surface will
Q21 | The discharge over a rectangular notch is
Q22 | The flow in which each liquid particle has a definite path and their paths do not cross each other is called
Q23 | The magnitude of water hammer depends upon the
Q24 | The fluid forces considered in the Navier Stokes equation are
Q25 | Cavitation is caused by