Hydraulics Questions

• The shape of fire hose nozzle is generally kept
• The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different cross-sections of a conduit, is known as
• The imaginary line drawn such that the tangents at its all points indicate the direction of the velocity of the fluid particles at each point, is called
• The most efficient channel section, is
• An open container filled with water is moved vertically downward with a uniform linear acceleration. The pressure at its bottom will be
• In C.G.S. system the units of kinematic viscosity, is
• The metacentric height of a body equals the distance between
• An orifice is an opening in a vessel with
• The differential equation dp/ρ + gdz + vdv = 0 for a fluid motion is suggested by
• Pick up the correct statement from the following :
• If v1 and v2 are the velocities of flow before and after sudden enlargement in a pipe, the head loss given by Carnot and Borda equation, is
• Pick up the correct statement from the following :
• Water flows through a convergent mouthpiece of diameter 4 cm at convergence under a head of 3 metres. If the maximum vacuum pressure is 9 metres of water, the maximum diameter of divergence, to aviod separation of flow, is
• A spherical load 900 kg is rolled through 9.8 m across the deck of a ship weighing 10, 000 kg. If the metacentric height of the ship is 5 metres, the angle of heel, is
• The value of kinetic energy correction factor (a) for a laminar flow through a circular pipe, is
• If H is height of the liquid above the sill, the effect of end contractions, according to Francis formula, is
• If H is the difference of liquid levels on two sides of an orifice (width b, depth d), the discharge through the orifice will be
• A triangular notch is preferred to a rectangular notch because
• For steady flow in open channels, which one of the following does not change :
• Equation of continuity of fluids is applicable only if