Hydraulics and Fluid Mechanics in ME In an immersed body, center of pressure is at the center of gravity above the center of gravity could be above or below e.g. depending on density of body and liquid below be center of gravity at the center of gravity above the center of gravity could be above or below e.g. depending on density of body and liquid below be center of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Roynolds number is between 2000 and 4000 less than 4000 more than 4000 less than 2000 between 2000 and 4000 less than 4000 more than 4000 less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is 9.81 m/sec² 9.75 m/sec² 10 m/sec² 9 m/sec 9.81 m/sec² 9.75 m/sec² 10 m/sec² 9 m/sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is an example of laminar flow? Underground flow All of these Flow past tiny bodies Flow of oil in measuring instruments Underground flow All of these Flow past tiny bodies Flow of oil in measuring instruments ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit of viscosity is Newton-sec per meter Meters² per sec kg-sec/meter Newton-sec per meter² Newton-sec per meter Meters² per sec kg-sec/meter Newton-sec per meter² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The boundary layer thickness at a distance of l m from the leading edge of a flat plate, kept at zero angle of incidence to the flow direction, is O.l cm. The velocity outside the boundary layer is 25 ml sec. The boundary layer thickness at a distance of 4 m is (Assume that boundary layer is entirely laminar) 0.05 cm 0.40 cm 0.10 cm 0.20 cm 0.05 cm 0.40 cm 0.10 cm 0.20 cm ANSWER DOWNLOAD EXAMIANS APP