Hydraulics and Fluid Mechanics in ME If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water 52 cm 50 cm 51 cm 52.2 cm 52 cm 50 cm 51 cm 52.2 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) √(2gh) H × √(2g) 2g × √H 2gH √(2gh) H × √(2g) 2g × √H 2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Geometric similarity is said to exist between the model and the prototype, if both of them Have identical forces Are identical in shape, but differ only in size Have identical velocities Are equal in size and shape Have identical forces Are identical in shape, but differ only in size Have identical velocities Are equal in size and shape ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a centrifugal pump, delivering 750 liters of water per second against a head of 15 meters at 725 r.p.m., is 24.8 r.p.m. 82.4 r.p.m. 248 r.p.m 48.2 r.p.m 24.8 r.p.m. 82.4 r.p.m. 248 r.p.m 48.2 r.p.m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The time oscillation of a floating body with increase in meatcentric height will be Higher Lower Same Lower/higher depending on weight of body Higher Lower Same Lower/higher depending on weight of body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Barometer is used to measure Atmospheric pressure Pressure in pipes, channels etc. Very low pressure Difference of pressure between two points Atmospheric pressure Pressure in pipes, channels etc. Very low pressure Difference of pressure between two points ANSWER DOWNLOAD EXAMIANS APP
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