Select the correct statement A barometer reads the difference be-tween local and standard atmospheric pressure Local atmospheric pressure depends upon elevation of locality only Standard atmospheric pressure is the mean local atmospheric pressure a* sea level Local atmospheric pressure is always below standard atmospheric pressure TRUE ANSWER : ? YOUR ANSWER : ?
Ay between two stream lines represents pressure velocity discharge head TRUE ANSWER : ? YOUR ANSWER : ?
For measuring flow by a venturimeter, if should be installed in vertical line in any direction and in any location. inclined line with upward flow horizontal line TRUE ANSWER : ? YOUR ANSWER : ?
The increase in meta centric height i) increases stability ii) decreases stability iii) increases comfort for passengers iv) decreases comfort for passengers The correct answer is (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) TRUE ANSWER : ? YOUR ANSWER : ?
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 LAMINAR FLOW NOT PREDICTABLE FROM THE GIVEN DATA TRANSITION FLOW TURBULENT FLOW 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 less than the weight of the body more than the weight of the body weight of the fluid displaced by the body the weight of the body 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 : ?
Mercury is often used in barometer because its vapour pressure is so low that it may be neglected it is the best liquid both (B) and (C) the height of barometer will be less TRUE ANSWER : ? YOUR ANSWER : ?
The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is None of these always above the centroid of the area always below the centroid of the area at the centroid of the submerged area TRUE ANSWER : ? YOUR ANSWER : ?
The Prartdtl mixing length is maximum at the pipe wall zero at the pipe wall None of these independent of shear stress TRUE ANSWER : ? YOUR ANSWER : ?