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 TRANSITION FLOW LAMINAR FLOW NOT PREDICTABLE FROM THE GIVEN DATA TRUE ANSWER : ? YOUR ANSWER : ?
The discharge through a V- notch varies as H1/2 H5’4 where H is head. H5/2 H3’2 TRUE ANSWER : ? YOUR ANSWER : ?
For measuring flow by a venturimeter, if should be installed in horizontal line inclined line with upward flow in any direction and in any location. vertical line TRUE ANSWER : ? YOUR ANSWER : ?
According to Bernoulli’s equation for steady ideal fluid flow velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines principle of conservation of mass holds total energy is constant throughout TRUE ANSWER : ? YOUR ANSWER : ?
An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is 9.75 m/sec² 10.2/m sec 10m/sec² 9.81 m/sec² TRUE ANSWER : ? YOUR ANSWER : ?
The horizontal component of force on a curved surface is equal to the product of pressure intensity at its centroid and area force on the horizontal projection of the curved surface force on a vertical projection of the curved surface weight of liquid vertically above the curved surface TRUE ANSWER : ? YOUR ANSWER : ?
The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is zero at plates and increases linearly to midpoint zero at the mid plane and varies linearly with distance from mid plane parabolic distribution across the section constant over the cross section TRUE ANSWER : ? YOUR ANSWER : ?
When a body floating in a liquid, is displaced slightly, it oscillates about metacentre center of buoyancy e.g. of body center of pressure 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 diffusion force of adhesion force of cohesion TRUE ANSWER : ? YOUR ANSWER : ?
To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than 2.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 6.4 m above the hydraulic gradient 5.0 above the hydraulic gradient TRUE ANSWER : ? YOUR ANSWER : ?