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

Related MCQs

• If pressure heads (P/w) of a liquid Bowing in a pipe be plotted as vertical ordinates on the center line of the pipe, then the line joining the tops of such ordinates is known as
• The velocity of liquid particles at the centre of pipe is less than the velocity of particles near the inner surface of pipe.
• 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.
• 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.
• 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.
• 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.
• Liquid is flowing through 200 mm diameter tube with mean velocity of 2 m/sec. If density of liquid is 912 kg/m3 and viscosity is0.38 N.S/m2 find type of flow.
• In a static liquid, vertical distance from datum line to the free surface of liquid is known as
• 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.
• 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