Hydraulics and Fluid Mechanics in ME Choose the wrong statement. Alcohol is used in manometer, because Its vapour pressure is low It provides suitable meniscus for the inclined tube Its density is less It provides longer length for a given pressure difference Its vapour pressure is low It provides suitable meniscus for the inclined tube Its density is less It provides longer length for a given pressure difference ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 1 and 2.5 2.5 and 4 1 and 6 4 and 6 1 and 2.5 2.5 and 4 1 and 6 4 and 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A submerged body is said to be in a stable equilibrium, if its centre of gravity __________ the centre of buoyancy. Coincides with Lies below None of these Lies above Coincides with Lies below None of these Lies above ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface. Convex Concave None of these Plane Convex Concave None of these Plane ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 - sin φ)/2 (1 + cos φ)/2 (1 - cos φ)/2 (1 + sin φ)/2 (1 - sin φ)/2 (1 + cos φ)/2 (1 - cos φ)/2 (1 + sin φ)/2 ANSWER DOWNLOAD EXAMIANS APP
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 breadth Twice the depth Twice the breadth Half the depth Half the breadth Twice the depth Twice the breadth Half the depth ANSWER DOWNLOAD EXAMIANS APP