Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Roynolds number is less than 4000 between 2000 and 4000 more than 4000 less than 2000 less than 4000 between 2000 and 4000 more than 4000 less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic coupling belongs to the category of Energy transfer machines Power developing machines Power absorbing machines Energy generating machines Energy transfer machines Power developing machines Power absorbing machines Energy generating machines ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called Pascal’s law D-Alembert’s principle None of these Archimedes’s principle Pascal’s law D-Alembert’s principle None of these Archimedes’s principle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Units of surface tension are energy/unit area it has no units both of the above distance energy/unit area it has no units both of the above distance ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a Kaplan turbine runner, the numbers of blades are generally between 16 to 24 8 to 16 4 to 8 2 to 4 16 to 24 8 to 16 4 to 8 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger) (p/W) × (A/a) (W/p) × (a/A) (W/p) × (A/a) (p/W) × (a/A) (p/W) × (A/a) (W/p) × (a/A) (W/p) × (A/a) (p/W) × (a/A) ANSWER DOWNLOAD EXAMIANS APP