Water is moving through a pipe. The velocity profile at some section is shown fig. 1-4 and is given mathematically as v=(b/4u)(d^2/4-r^2)...

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Oil of viscosity u fills the small gap of thickness Y. Determine an expression for the torque T required to rotate the truncated....

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A cylinder of 0.40-ft radius rotates concentrically inside a fixed cylinder of o.42-ft radius. Both cylinders are 1.00 ft long...

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A heavy tank contains (A) and water (B) subject to variable air pressure; the dimension shown in fig. 1-2 correspond to 1 atm..

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The fluid flowing in fig. 1-3 has an absolute viscosity (u) of 0.0010 Ib.s/ft^2 and specific gravity of 0.913...

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To damp oscillation, the pointer of a galvanometer is fixed to a circular disk which turns in a container of oil..

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find the height of the free surface if 0.8 ft^3 of water is poured into a conical tank...

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A conical body turns in a container, as shown in fig. 1-11, at constant speed 11 rad/s....

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For angular velocity 0.3 rad/s of the mechanism express the damping torque (in N.m)...

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A disk of radius ro rotate at angular velocity w inside an oil bath of viscosity u, as shown....

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(P6.41)- A window, in a vertical wall, is at a distance of 30 m above the ground level. A jet of water, issuing from a nozzle of diameter 50 mm is to strike the window. the rate of flow of water through the nozzle is 3.5 m^3 minute and nozzles is situated at a distance of 1 m above ground level. Find the greatest horizontal distance from the wall of the nozzle so that jet strike the window.

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(P6.40)-A nozzle is stared at a distance of 1 m above the ground level and is inclined at an angle of 45 degree to the horizontal. The diameter of the nozzle is 50 mm and the jet of water from the nozzle strikes the ground at a horizontal distance of 4 m. Find the rate of flow of water

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(P6.39)-A free-brigade man is holding a fire stream nozzle of 50 mm diameter as shown in fig. 6.32. The jet issues out with a velocity of 13 m/s and strikes the window. Find the angel or angels of inclination with the jet issues from the nozzles. What will be the amount of water failing on the windows?

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(P6.38)- A vertical wall is of m in height. A jet of water is coming out from a nozzle with a velocity of 20 m/s. The nozzles is situated at a distance of 20 m from the vertical wall. Find the angel of projection of the nozzles to the horizontal so that jet of water just clears the top of wall.

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(P6.37)A lawn sprinkler shown in fig. 6.29 has 0.8 cm diameter nozzle at the end of a rotating arm and discharges water at the rate of 10 m/m velocity. determine the torque required to hold the rotating arm stationary. Also determine the constant speed of rotation of the arm, if free to rotate.

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(P6.36)-A lawn sprinkler with two nozzle of diameter 4 mm each is connected across a top of water as shown in Fig. 6.28. The nozzle are at a distance of 30 cm and 20 cm from the center of the top. The rate of flow of water through tap is 120 cm^3/s. The nozzles discharge water in the downward direction. Determine the angular speed at which the sprinkler will rate free.

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(P6.35)-The diameter of a pipe gradually reduces from 1 m as shown. the pressure intensity at the center-line of 1 m section 7.848 kN/m^2 and rate of water through the pipe is 600 liters/s. Find the intensity of pressure at the center-line of 0.7 m section. Also determine the force exerted by flowing water on transition of the pipe.

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(P6.34)-A nozzle of diameter 20 mm is fixed to a pipe of diameter 40 mm. Find the force exerted by the nozzle on the water which is flowing through the pipe at the rate of 1.2 m^3/Minute.

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(P6.33)-A pipe of 300 mm diameter conveying 0.30 m^3/s of water has a right angled bend in a horizontal plan. Find the resultant force exerted on the bend if the pressure at inlet and outlet of the bend are 24.525 N/cm^2 and 23.544 N/cm^2.

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(P6.32)-In a 45 degree bend a rectangular air duct of 1 m^2 cross-sectional area is gradually reduced to 0.5 m^2 area. Find the magnitude and direction of the force required to hold the duct in position if the velocity of flow at the 1 m^2 section is 10m/s and pressure is 2.943 N/cm^2. take density of air as 1.16kg/m^3.

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