Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is 80 r.p.m. 20 r.p.m. 40 r.p.m. 10 r.p.m. 80 r.p.m. 20 r.p.m. 40 r.p.m. 10 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of mass density in kg-sec-V-m⁴ for water at 0°C is 1000 101.9 1 100.9 1000 101.9 1 100.9 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME 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 Archimedes’ principle Equilibrium of a floating body Buoyancy Bernoulli’s theorem Archimedes’ principle Equilibrium of a floating body Buoyancy Bernoulli’s theorem ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following turbine is preferred for 0 to 25 m head of water? Kaplan turbine Francis turbine None of these Pelton wheel Kaplan turbine Francis turbine None of these Pelton wheel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow in which each liquid particle has a definite path, and the paths of individual particles do not cross each other, is called Turbulent flow Steady flow Uniform flow Streamline flow Turbulent flow Steady flow Uniform flow Streamline flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME With the same cross-sectional area and immersed in same turbulent flow, the largest total drag will be on a streamlined body a circular disc of plate held normal to flow a cylinder a sphere a streamlined body a circular disc of plate held normal to flow a cylinder a sphere ANSWER DOWNLOAD EXAMIANS APP