Hydraulics Questions

• A jet projected at an angle of 45θ, 40 m from the foot of a vertical column, just reaches the top of the column. The height of the column is
• To avoid vapourisation, pipe lines are laid over the ridge so that these are above the hydraulic gradient line, not more than
• Atmospheric pressure varies with
• Molecules of fluids get attracted due to
• Atmospheric pressure is equal to water column head of
• Which one of the following statements is true?
• Uniform flow is said to occur when
• For exerting a pressure of 4.8 kg/cm2, the depth of oil (specific gravity 0.8), should be
• Shear stress is directly proportional to
• If velocities of fluid particles vary from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be
• For the most economical trapezoidal section of a channel with regards to discharge, the required condition, is
• Pick up the correct statement from the following :
• Manning's formula is used for
• On an inclined plane, centre of pressure is located
• For the flow of liquid from an open ended tube (or nozzle) leading to the formation of spray of liquid drops, the number generally applied, is
• If Cv, Cc, Cd and Cr are the hydraulic coefficients of an orifice, then
• The specific weight of water is 1000 kg/m3
• Piezometers are used to measure
• The rise of the liquid along the walls of a revolving cylinder above the initial level, is
• When no air is left below the nappe and water stream adheres to the down stream face of the weir, it is known as