Orifice meter consists of a flat rectangular plate.

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Orifice Meter can only be used for measuring rate of flow in open pipe like structure.

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A nanometre is connected to a section which is at a distance of about 4 to 6 times the pipe diameter upstream from orifice plate.

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The Orificemeter has a smooth edge hole.

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The Orificemeter readings are more accurate than Venturimeter.

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Which is the cheapest device for measuring flow / discharge rate.

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The principle of Orificemeter is same as that of Venturimeter.

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What is the relationship between Orificemeter diameter and pipe diameter

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Venturimeter is based on integral form of Euler’s equation.

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The Orificemeter readings are more accurate than Pitot tube readings.

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If a mass of 1000kg of liquid occupies a volume of one cubic meter, then 1 represents which among the following?

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In case of any orifice, velocity always remains constant and hence discharge can be calculated.

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Find the discharge through totally drowned orifice of width 2.3 m if the difference of water levels on both side of the orifice be 40 cm. The height of water from to and bottom of the orifice are 2.6 m and 2.75 m respectively.

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When is orifice called ‘large orifice’?

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In case of submerged orifice the discharge is substantially dependent on temperature of fluid

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Find the discharge through a rectangular orifice 2.2 m wide and 1.3 m deep fitted to a easier tank. The water level in a team is 2.5 m above the top edge of orifice.

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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A rectangular orifice of 2 m width and 1.2 m deep is fitted in one side of large tank. The easier level on one side of the orifice is 3m above the top edge of the orifice while on the other side of the orifice the water level is 0.5 m below it’s top edge. Calculate discharge if Cd = .64

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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Find the discharge through a rectangular orifice 3.2 m wide and 1.7 m deep fitted to a easier tank. The water level in a team is 3.3 m above the top edge of orifice. Take Cd = 0.6

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The velocity distribution for fluid flow over a flat plate is given by u=2y-6y2 in which u is the velocity in metre per second at a distance of y metre above the plate. Determine the shear stress at y=0.15m.Take dynamic viscosity of fluid as 8.6 poise.

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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A water flows through a pipe at a velocity 2 m/s. The pressure gauge reading is 2 bar. The datum head is given to be 2 m. Find the piezometric head. (Assume all Bernoulli’s assumptions, Density of water = 1000 kg/m^3, g = 9.8 m/s^2).

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Which among the following cannot be used as an alternative term for a “solenoidal vector field”?

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Momentum is a ______ quantity

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A student wishes to find the velocity of air flowing through a pipe. He has a pressure gauge which displays only the dynamic pressure. The pressure gauge reads 0.018 mm Hg. Assume density of air to be 1.225 kg/m^3, find the velocity V of air (ρHg = 13600 kg/m^3).

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When is a fluid said to be ideal?

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The below figure shows a pipe with a circular cross section of diameter 5 cm on the left end and a square cross section with diagonal 5 cm on the right end. Water enters the left end with a velocity 20 m/s and leaves the right end with a velocity V2. Find V2 (neglect losses in the pipe).

asked Jan 30, 2022 in Fluid Mechanics by Charlotte (118k points)

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