Hydraulics and Fluid Mechanics in ME Which of the following has highest coefficient of discharge ? Borda’s mouthpiece running full sharp edged orifice CipoUetti weir venturimeter Borda’s mouthpiece running full sharp edged orifice CipoUetti weir venturimeter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The purpose of a surge tank is To eliminate water hammer possibilities All of these To control the pressure variations due to rapid changes in the pipe line flow To regulate flow of water to turbines by providing necessary retarding head of water To eliminate water hammer possibilities All of these To control the pressure variations due to rapid changes in the pipe line flow To regulate flow of water to turbines by providing necessary retarding head of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force present in a moving liquid is Gravity force All of these Viscous force Inertia force Gravity force All of these Viscous force Inertia force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as Steady flow Vortex flow Turbulent flow Uniform flow Steady flow Vortex flow Turbulent flow Uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A venturi-flume is used to measure Pressure difference between two points in a channel Pressure of liquid Discharge of liquid Pressure difference between two points in a pipe Pressure difference between two points in a channel Pressure of liquid Discharge of liquid Pressure difference between two points in a pipe ANSWER DOWNLOAD EXAMIANS APP