Hydraulics and Fluid Mechanics in ME In an isothermal atmosphere, the pressure decreases linearly with elevation increases exponentially with elevation remains constant varies in the same way as the density decreases linearly with elevation increases exponentially with elevation remains constant varies in the same way as the density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Some other alterations in the impeller Not possible Designing new impeller Trimming the impeller size to the required size by machining Some other alterations in the impeller Not possible Designing new impeller Trimming the impeller size to the required size by machining ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A square surface 3 m × 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is 18,000 kg 27,000 kg 13,500 kg 9,000 kg 18,000 kg 27,000 kg 13,500 kg 9,000 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following instrument can be used for measuring speed of a submarine moving in deep sea hot wire anemometer pitot tube rotameter Venturimeter hot wire anemometer pitot tube rotameter Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will float tend to move downward and it may finally sink None of these rise until its weight equals the buoyant force float tend to move downward and it may finally sink None of these rise until its weight equals the buoyant force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a right angled notch is (where H = Height of liquid above the apex of notch) (8/15) Cd. 2g. H² (8/15) Cd. 2g. H (8/15) Cd. 2g. H3/2 (8/15) Cd. 2g. H5/2 (8/15) Cd. 2g. H² (8/15) Cd. 2g. H (8/15) Cd. 2g. H3/2 (8/15) Cd. 2g. H5/2 ANSWER DOWNLOAD EXAMIANS APP