Hydraulics and Fluid Mechanics in ME Kinematic similarity is said to exist between the model and the prototype, if both of them 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 Have identical forces Are identical in shape, but differ only in size ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ? 0.5 0.4 0.515 0.5 0.5 0.4 0.515 0.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional area of piston, and N = Speed of crank in r.p.m.) L.A.N 2 L.A.N (2 L.A.N)/60 (L.A.N)/60 L.A.N 2 L.A.N (2 L.A.N)/60 (L.A.N)/60 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of fluid due to hammer blow is Inversely proportional to density of fluid Directly proportional to density of fluid Inversely proportional to (density)1/2 of fluid Directly proportional to (density)1/2 of fluid Inversely proportional to density of fluid Directly proportional to density of fluid Inversely proportional to (density)1/2 of fluid Directly proportional to (density)1/2 of fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of resistance is the ratio of Area of jet at vena-contracta to the area of orifice Actual discharge through an orifice to the theoretical discharge Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena-contracta to the theoretical velocity Area of jet at vena-contracta to the area of orifice Actual discharge through an orifice to the theoretical discharge Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena-contracta to the theoretical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very great pressures, viscosity of moss gases and liquids remains same decreases increases shows erratic behaviour remains same decreases increases shows erratic behaviour ANSWER DOWNLOAD EXAMIANS APP
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