Hydraulics and Fluid Mechanics in ME The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called Newton's law of cooling Newton's law of resistance Newton's law of motion Newton's law of viscosity Newton's law of cooling Newton's law of resistance Newton's law of motion Newton's law of viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is 3.53 kN None of these 33.3 kN 35.3 kN 3.53 kN None of these 33.3 kN 35.3 kN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface) w/h wh w h/w w/h wh w h/w ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of the liquid __________ with rise in temperature. Remain unaffected Decreases Increases None of these Remain unaffected Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In open channels, the specific energy is the Kinetic energy plotted above the free surface of water Total energy measured above the horizontal datum Total energy per unit discharge Total energy measured with respect to the datum passing through the bottom of the channel Kinetic energy plotted above the free surface of water Total energy measured above the horizontal datum Total energy per unit discharge Total energy measured with respect to the datum passing through the bottom of the channel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta. None of these Equal to Less than More than None of these Equal to Less than More than ANSWER DOWNLOAD EXAMIANS APP
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