The discharge of a liquid of kinematic viscosity 4 cm²/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is TURBULENT FLOW LAMINAR FLOW NOT PREDICTABLE FROM THE GIVEN DATA TRANSITION FLOW TRUE ANSWER : ? YOUR ANSWER : ?
A fluid is said to be ideal, if it is inviscous and incompressible incompressible inviscous inviscous and compressible TRUE ANSWER : ? YOUR ANSWER : ?
The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is 1/2 2/3 1/4 1/3 TRUE ANSWER : ? YOUR ANSWER : ?
The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if the area is horizontal All of these the area is vertical the area is inclined TRUE ANSWER : ? YOUR ANSWER : ?
An open vessel of water is accelerated up an inclined plane. The free water surface will be horizontal make an angle in opposite direction to inclination of inclined plane any one of above is possible make an angle in direction of inclination of inclined plane TRUE ANSWER : ? YOUR ANSWER : ?
The Prartdtl mixing length is independent of shear stress None of these maximum at the pipe wall zero at the pipe wall TRUE ANSWER : ? YOUR ANSWER : ?
The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is at the centroid of the submerged area always above the centroid of the area always below the centroid of the area None of these TRUE ANSWER : ? YOUR ANSWER : ?
Specific weight of sea water is more that of pure water because it contains suspended matter dissolved salt dissolved air All of these TRUE ANSWER : ? YOUR ANSWER : ?
Free surface of a liquid tends to contract to the smallest possible area due to force of cohesion surface tension viscosity friction TRUE ANSWER : ? YOUR ANSWER : ?
According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to weight of the fluid displaced by the body the weight of the body more than the weight of the body less than the weight of the body TRUE ANSWER : ? YOUR ANSWER : ?