Hydraulics and Fluid Mechanics in ME Which of the following instrument can be used for measuring speed of a submarine moving in deep sea rotameter hot wire anemometer Venturimeter pitot tube rotameter hot wire anemometer Venturimeter pitot tube ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity distribution for laminar flow through a circular tube None of these varies linearly from zero at walls to maximum at centre is constant over the cross-section varies parabolically with maximum at the centre None of these varies linearly from zero at walls to maximum at centre is constant over the cross-section varies parabolically with maximum at the centre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total head of a liquid particle in motion is equal to Kinetic head - (pressure head + potential head) Pressure head - (kinetic head + potential head) Potential head - (pressure head + kinetic head) Pressure head + kinetic head + potential head Kinetic head - (pressure head + potential head) Pressure head - (kinetic head + potential head) Potential head - (pressure head + kinetic head) Pressure head + kinetic head + potential head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The torque required to overcome viscous resistance of a footstep bearing is (where μ = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film) μπ²NR⁴/60t μπ²NR²/60t μπ²NR/60t μπ²NR³/60t μπ²NR⁴/60t μπ²NR²/60t μπ²NR/60t μπ²NR³/60t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called Newton's law of viscosity Newton's law of cooling Newton's law of resistance Newton's law of motion Newton's law of viscosity Newton's law of cooling Newton's law of resistance Newton's law of motion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be None of these 100m 10m 1 m None of these 100m 10m 1 m ANSWER DOWNLOAD EXAMIANS APP