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 Half the depth Twice the breadth Twice the depth Half the breadth Half the depth Twice the breadth Twice the depth Half the breadth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice. Less than twice Less than three times More than three times More than twice Less than twice Less than three times More than three times More than twice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an ideal fluid flows past a sphere highest intensity of pressure occurs around the circumference at right angles to flow lowest pressure intensity occurs at front stagnation point lowest pressure intensity occurs at rear stagnation point total drag is zero highest intensity of pressure occurs around the circumference at right angles to flow lowest pressure intensity occurs at front stagnation point lowest pressure intensity occurs at rear stagnation point total drag is zero ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The speed of sound in a ideal gas varies directly as its density absolute temperature temperature modulus of elasticity density absolute temperature temperature modulus of elasticity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine develops 10000 kW under a head of 25 meters at 135 r.p.m. Its specific speed is 241.5 r.p.m. 275.4 r.p.m 215.5 r.p.m. 175.4 r.p.m. 241.5 r.p.m. 275.4 r.p.m 215.5 r.p.m. 175.4 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if The area is vertical The area is horizontal All of these The area is inclined The area is vertical The area is horizontal All of these The area is inclined ANSWER DOWNLOAD EXAMIANS APP
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