Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L L/4 L/2 L/3 L L/4 L/2 L/3 ANSWER DOWNLOAD EXAMIANS APP
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 viscosity Newton's law of motion Newton's law of resistance Newton's law of cooling Newton's law of viscosity Newton's law of motion Newton's law of resistance Newton's law of cooling ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Euler's number is the ratio of __________ force to pressure force. Viscous Inertia Gravity None of these Viscous Inertia Gravity None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Center of buoyancy is the does not exist e.g. of floating body centroid of the displaced volume of fluid center of pressure of displaced volume does not exist e.g. of floating body centroid of the displaced volume of fluid center of pressure of displaced volume ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Twice the depth Half the depth Half the breadth Twice the breadth Twice the depth Half the depth Half the breadth Twice the breadth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be 3.5 metres of water column 4 m of water column 3 metres of water column 2 metres of water column 3.5 metres of water column 4 m of water column 3 metres of water column 2 metres of water column ANSWER DOWNLOAD EXAMIANS APP