Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/2 × sloping side 1/4 × (depth + breadth) 1/2 × breadth 1/2 × depth 1/2 × sloping side 1/4 × (depth + breadth) 1/2 × breadth 1/2 × depth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine All of these Causes sudden drop in power output and efficiency Causes noise and vibration of various parts Reduces the discharge of a turbine All of these Causes sudden drop in power output and efficiency Causes noise and vibration of various parts Reduces the discharge of a turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the flow in an open channel is gradually varied, the flow is said to be Steady non-uniform flow Unsteady non-uniform flow Unsteady uniform flow Steady uniform flow Steady non-uniform flow Unsteady non-uniform flow Unsteady uniform flow Steady uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The units of kinematic viscosity are metres² per sec newton-sec per meter kg sec/meter newton-sec per meter metres² per sec newton-sec per meter kg sec/meter newton-sec per meter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface. Equal None of these Directly proportional Inversely proportional Equal None of these Directly proportional Inversely proportional ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of gases __________ with rise in temperature. Decreases Remain unaffected Increases None of these Decreases Remain unaffected Increases None of these ANSWER DOWNLOAD EXAMIANS APP
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