A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will remain same decrease increase increase/decrease depending on depth of immersion TRUE ANSWER : ? YOUR ANSWER : ?
An open vessel of water is accelerated up an inclined plane. The free water surface will make an angle in opposite direction to inclination of inclined plane any one of above is possible make an angle in direction of inclination of inclined plane be horizontal TRUE ANSWER : ? YOUR ANSWER : ?
The line of action of the buoyant force acts through the centroid of the volume of the fluid vertically above the body displaced volume of the fluid volume of the floating body submerged body TRUE ANSWER : ? YOUR ANSWER : ?
THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS None of these ZERO NEGLIGIBLE SAME AS BUOYANT FORCE TRUE ANSWER : ? YOUR ANSWER : ?
Surface energy per unit area of a surface is numerically equal to surface tension force of adhesion force of cohesion atmospheric pressure 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 4.0 M 4.6 M 4.2 M 4.8 M TRUE ANSWER : ? YOUR ANSWER : ?
When a body floating in a liquid, is displaced slightly, it oscillates about center of buoyancy metacentre center of pressure e.g. of body TRUE ANSWER : ? YOUR ANSWER : ?
For measuring flow by a venturimeter, if should be installed in vertical line horizontal line inclined line with upward flow in any direction and in any location. TRUE ANSWER : ? YOUR ANSWER : ?
Least possible value of correction factor for i) kinetic energy is zero ii) kinetic energy is 1 iii) momentum is zero iv) momentum is 1 The correct statements are (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) TRUE ANSWER : ? YOUR ANSWER : ?
Operation of McLeod gauge used for low pressure measurement is based on the principle of Pascal’s law gas law Boyle’s law Charle’s law TRUE ANSWER : ? YOUR ANSWER : ?