SURFACE TENSION HAS THE UNITS OF NEWTONS NETON/M NEWTONS/M NEW TONS/M TRUE ANSWER : ? YOUR ANSWER : ?
When a body floating in a liquid, is displaced slightly, it oscillates about metacentre center of pressure e.g. of body center of buoyancy TRUE ANSWER : ? YOUR ANSWER : ?
A large Roynold number is indication of LAMINAR FLOW highly turbulent flow. turbulent flow smooth and streamline flow TRUE ANSWER : ? YOUR ANSWER : ?
Choose the wrong statement fluids are capable of flowing when in equilibrium, fluids cannot sustain tangential forces when in equilibrium, fluids can sustain shear forces fluids conform to the shape of the con-taining vessels TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is demensionless specific gravity specific speed specific weight specific volume TRUE ANSWER : ? YOUR ANSWER : ?
The region between the separation streamline and the boundary surface of the solid body is known as boundary layer wake drag lift TRUE ANSWER : ? YOUR ANSWER : ?
According to Bernoulli’s equation for steady ideal fluid flow total energy is constant throughout the energy is constant along a stream-line but may vary across streamlines principle of conservation of mass holds velocity and pressure are inversely proportional TRUE ANSWER : ? YOUR ANSWER : ?
For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 337.5 300 600 675 TRUE ANSWER : ? YOUR ANSWER : ?
For a floating body to be in equilibrium All of these a righting couple should be formed meta center should be above e.g. center of buoyancy and e.g. must lie on same vertical plane TRUE ANSWER : ? YOUR ANSWER : ?
THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS NEGLIGIBLE ZERO SAME AS BUOYANT FORCE None of these TRUE ANSWER : ? YOUR ANSWER : ?