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 × depth 1/2 × breadth 1/2 × sloping side 1/4 × (depth + breadth) 1/2 × depth 1/2 × breadth 1/2 × sloping side 1/4 × (depth + breadth) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force of buoyancy is always __________ the weight of the liquid displaced by the body. Equal to None of these More than Less than Equal to None of these More than Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will Remain unchanged Decrease Depend upon the characteristics of liquid Increase Remain unchanged Decrease Depend upon the characteristics of liquid Increase ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow whose streamline is represented by a curve, is called One-dimensional flow Three-dimensional flow Two-dimensional flow Four-dimensional flow One-dimensional flow Three-dimensional flow Two-dimensional flow Four-dimensional flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant speed and capacity, the pressure and power vary Inversely as density Directly as the air or gas density As square of density Inversely as square root of density Inversely as density Directly as the air or gas density As square of density Inversely as square root of density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of the bucket for a Pelton wheel is generally _________ the diameter of jet. 1.2 times Equal to 1.8 times Double 1.2 times Equal to 1.8 times Double ANSWER DOWNLOAD EXAMIANS APP
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