# Hydraulics And Fluid Mechanics Set 10

This set of Hydraulics and Fluid Mechanics Multiple Choice Questions & Answers (MCQs) focuses on Hydraulics And Fluid Mechanics Set 10

Q1 | A weir is said to be broad crested weir, if the width of the crest of the weir is ________ half the height of water above the weir crest.
Q2 | The bulk modulus of elasticity
Q3 | Kinematic viscosity is equal to
Q4 | The atmospheric pressure at sea level is
Q5 | The conditions for the stable equilibrium of a floating body are
Q6 | A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because
Q7 | To avoid an interruption in the flow of a siphon, an air vessel is provided
Q8 | When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is
Q9 | In an isothermal atmosphere, the pressure
Q10 | If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm", the pressure at a depth of 50 m below the oil surface will be
Q11 | The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface)
Q12 | The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to
Q13 | The liquid used in manometers should have
Q14 | Which of the following instrument can be used for measuring speed of an aeroplane?
Q15 | A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is
Q16 | Buoyant force is
Q17 | In case of flow through parallel pipes,
Q18 | Rotameter is a device used to measure
Q19 | In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir.
Q20 | When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as
Q21 | A nozzle is generally made of
Q22 | Pitot tube is used for measurement of
Q23 | The value of mass density in kg-sec-V-
Q24 | The shear stress between the two liquid layers is __________ proportional to the distancebetween two layers.
Q25 | Viscosity of water in comparison to mercury is