When the free surface of a stream is in contact with the atmosphere and the flow is flowing due to gravitational force and atmospheric pressure, it is called pipe.

Related MCQs

• When the free surface of a stream is in contact with the atmosphere and the flow is flowing due to gravitational force and atmospheric pressure, it is called
• A simple manometer containing mercury is used to measure pressure of oil (sp. gr. 0.8) flowing in a pipe as shown below. Mercury level in open tube is 150 mm higher than that on left limb. If height of oil in left limb is 90 mm, determine the pressure in terms of head of water in a pipe.
• When pressure is measured with reference to atmospheric pressure, but it is below atmospheric pressure, it is known as
• The diameters of a pipe at the sections 1 and 2 are 10 cm and15 cm respectively. Find the discharge through the pipe if the velocity of water flowing through the pipe at section 1 is 5 m/s.
• A compound pipe line is made up of pipe 45 cm dia. for 900 m, 37.5 cm for 450 m and 30 cm for 300 m is required to replace by a pipe of uniform diameter. Find diameter of equivalent pipe.
• If the sum of pressure heads and velocity heads [(p/w) + (v2 /2g)] of a liquid flowing In a pipe be plotted as vertical ordinates on the centre line of the pipe. then the line joining the tops of such ordinates is known as
• The diameters of a pipe at the sections 1 and 2 are 10 cm and15 cm respectively. The velocity of water flowing through the pipe at section 1 is 5 m/s. Determine the velocity at section 2.
• The force exerted by a statue fluid on a surface either plane or curved when the fluid comes in contact with the surface is called,
• In the gravitational system, normally Pressure in the pipe is
• Sometimes a compound pipe is required to be replaced by a pipe of uniform diameter and of the same length as that of the compound pipe is known as