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/2 L L/3 L/4 L/2 L L/3 L/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of pressure acts __________ the centre of gravity of immersed surface. None of these Below Above At None of these Below Above At ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a forced vortex motion, the velocity of flow is directly proportional to the square of its radial distance from the axis of rotation inversely proportional to its radial distance from the axis of rotation directly proportional to its radial distance from axis of rotation inversely proportional to the square of its radial distance from the axis of rotation directly proportional to the square of its radial distance from the axis of rotation inversely proportional to its radial distance from the axis of rotation directly proportional to its radial distance from axis of rotation inversely proportional to the square of its radial distance from the axis of rotation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. The saving in case of a double acting reciprocating pump is 0.884 0.488 0.392 0.848 0.884 0.488 0.392 0.848 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge of a centrifugal pump is (where N = Speed of the pump impeller) Inversely proportional to N Inversely proportional to N² Directly proportional to N² Directly proportional to N Inversely proportional to N Inversely proportional to N² Directly proportional to N² Directly proportional to N ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred Centrifugal Mixed flow Axial flow Reciprocating Centrifugal Mixed flow Axial flow Reciprocating ANSWER DOWNLOAD EXAMIANS APP
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