If the pressure at any point in the liquid approaches the vapour pressure, the liquid starts vapourising and creates pockets or bubbles of dissolved gases and vapours. This phenomenon is known as

Related MCQs

• Formation of air pockets in pressure tunnel may be avoided by
• “The intensity of pressure at any point in a liquid at rest is the same in all directions.” The above statement is known as
• ..... is a device which increases the intensity of pressure of a given liquid with the help of low pressure liquid of large quantity.
• At point A in a pipe line carrying water the diameter is 1 m, the pressure 98 kPa and the velocity 1 m/s. At point B, 2 m higher than A, the diameter is 0.5 m and the pressure 20 kPa. The direction of flow would be
• If the absolute pressure at a point in a hydraulic system is less than atmospheric pressure, the point is said to possess
• An imaginary curve drawn through a flowing fluid in such a way that the tangent to it at any point gives the direction of the velocity of flow at that point, is known as
• If A is the area of the immersed surface, w is the specific weight of the liquid and ͞x is the depth of horizontal surface from the liquid surface, then the total pressure P on the surface is given by
• A right circular cylinder open at the top is filled with liquid (specific gravity 1.2) and rotated about its vertical axis at such speed that half the liquid spills out. The pressure at centre of the bottom is
• . ...... is a phenomenon by which a liquid rises into a thin glass tube above or below its general level.
• The intensity of pressure p is related to specific weight w of the liquid and vertical depth h of the point by the equation