List of top Chemistry Questions on mechanical properties of fluid asked in MET

The lower end of a capillary tube is dipped into water and it is seen that water rises through \(7.5\,\text{cm}\) in the capillary. Given, surface tension of water is \(7.5 \times 10^{-2}\,\text{N m}^{-1}\) and angle of contact is zero. Find the diameter (in mm) of the capillary tube. (Given \(g = 10\,\text{m s}^{-2}\))
A vessel contains oil (Density = \(0.8 \, \text{g/cm}^3\)) over mercury (density = \(13.6 \, \text{g/cm}^3\)). A homogeneous sphere floats with half of its volume immersed in mercury and the other half in oil. The density of the material of the sphere is \( x \, \text{g/cm}^3 \). The value of \(x\) is
In a capillary tube, water rises to \(3\ \text{mm}\). The height of water that will rise in another capillary tube having one-third radius of the first is
The Bulk Modulus for an incompressible liquid is
A soap bubble in vacuum has a radius of 3 cm and another soap bubble in vacuum has a radius of 4 cm. If the two bubbles coalesce under isothermal condition, then the radius of the new bubble will be:
A 10 cm\(^3\) cube floats in water with a height of 4 cm\(^3\) remaining above the surface. The density of the material from which the cube is made is:
The order of stability of metal oxides is
The temperature of the slag zone in the metallurgy of iron using blast furnace is
A 6% solution of urea is isotonic with
In the electrolysis of acidulated water, it is desired to obtain 1.12 cc of hydrogen per second under STP condition. The current to be passed is
A liquid does not wet the sides of a solid if the angle of contact is:
The excess pressure inside a soap bubble of radius $r$ is:
In a turbulent flow, the velocity of the liquid in contact with the walls of the tube is:
Surface tension (T) of a liquid is equal to the work (W) required to increase the surface area ($\Delta A$) of the liquid film by unity at constant temperature. If the volume of a big drop is $27 \times$ the volume of a small drop, the change in surface energy is: