The resultant of all normal pressures acts at center of pressure vertically upwards at metacentre at e.g. of 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 : ?
For a floating body to be in stable equilibrium, its metacentre should be above the center of buoyancy above the center of gravity. below the center of buoyancy between e.g. and center of pressure TRUE ANSWER : ? YOUR ANSWER : ?
A large Roynold number is indication of smooth and streamline flow LAMINAR FLOW turbulent flow highly turbulent flow. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is demensionless specific gravity specific weight specific speed specific volume TRUE ANSWER : ? YOUR ANSWER : ?
In which of the following the friction drag is generally larger than pressure drag? a cylinder a sphere an airfoil a circular disc or plate held normal to flow TRUE ANSWER : ? YOUR ANSWER : ?
If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is 160 between 1 and 100 200 less than 1 TRUE ANSWER : ? YOUR ANSWER : ?
Pressure of the order of 10''' torr can be measured by Pirani Gauge Bourdon tube Micro-manometer ionisastion gauge TRUE ANSWER : ? YOUR ANSWER : ?
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 Local atmospheric pressure is always below standard atmospheric pressure Standard atmospheric pressure is the mean local atmospheric pressure a* sea level TRUE ANSWER : ? YOUR ANSWER : ?