A perfect gas has constant viscosity is incompressible is of theoretical interest None of these TRUE ANSWER : ? YOUR ANSWER : ?
Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the force of friction force of adhesion force of diffusion force of cohesion TRUE ANSWER : ? YOUR ANSWER : ?
The line of action of the buoyant force acts through the centroid of the volume of fluid vertically above the body center of gravity of any submerged body center of the volume of floating body centriod of the displaced volume of fluid TRUE ANSWER : ? YOUR ANSWER : ?
Separation of flow occurs when the cross-section of a channel is reduced the boundary layer comes to rest All of these the pressure intensity reaches a minimum TRUE ANSWER : ? YOUR ANSWER : ?
A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of 4.8 M 4.2 M 4.6 M 4.0 M TRUE ANSWER : ? YOUR ANSWER : ?
Choose the wrong statement fluids are capable of flowing when in equilibrium, fluids can sustain shear forces fluids conform to the shape of the con-taining vessels when in equilibrium, fluids cannot sustain tangential forces 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 1/4 1/3 1/2 2/3 TRUE ANSWER : ? YOUR ANSWER : ?
Pressure of the order of 10''' torr can be measured by Micro-manometer Pirani Gauge ionisastion gauge Bourdon tube TRUE ANSWER : ? YOUR ANSWER : ?
The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.) steady flow uniform flow incompressible flow frictionless flow TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following instrument can be used for measuring speed of an aeroplane Orifice plate rotameter Venturimeter pitot tube TRUE ANSWER : ? YOUR ANSWER : ?