Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/4 × (depth + breadth) 1/2 × depth 1/2 × sloping side 1/2 × breadth 1/4 × (depth + breadth) 1/2 × depth 1/2 × sloping side 1/2 × breadth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity. IG sin²θ/Ax̅ above IG sinθ/Ax̅ below IG sin²θ/Ax̅ below IG sinθ/Ax̅ above IG sin²θ/Ax̅ above IG sinθ/Ax̅ below IG sin²θ/Ax̅ below IG sinθ/Ax̅ above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of gases __________ with rise in temperature. Decreases None of these Increases Remain unaffected Decreases None of these Increases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic accumulator is a device used to store _________ energy which may be supplied to a machine later on. None of these Pressure Kinetic Strain None of these Pressure Kinetic Strain ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Mercury does not wet glass. This is due to property of liquid known as surface tension cohesion adhesion viscosity surface tension cohesion adhesion viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is between d and 1.5 d less than d greater than 2d between 1.5 d and 2d between d and 1.5 d less than d greater than 2d between 1.5 d and 2d ANSWER DOWNLOAD EXAMIANS APP