Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 16, Problem 16.25PP
To determine
The torque required to rotate the louvers when the angle θ = 20°.
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4.) A flat belt makes contact with an 18 in. diameter pulley through half its
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Compute the theoretical capacity of a 8 inches diameter screw conveyor loaded at 45% of the full The screw shaft diameter is 2 inches with a screw pitch of 4 inches. The speed of the conveyor is 80 rpm.
4. The weight of each wheel of a motor driven traveling crane moving at 600fpm is 5800 Ibs. If the coefficient of rolling friction is 0.05, find the horsepower required to overcome friction. 5. Compute the force necessary to move a 6000 lbs supported on four wheels of 2.5 ft diameter, assuming the coefficient of rolling friction to be 0.007.
Chapter 16 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 16 - Calculate the force required to hold a flat plate...Ch. 16 - What must be the velocity of flow of water from a...Ch. 16 - Calculate the force exerted on a stationary curved...Ch. 16 - A highway sign is being designed to withstand...Ch. 16 - Compute the forces in the vertical and horizontal...Ch. 16 - Figure 16.13 O shows a free stream of water at 180...Ch. 16 - Compute the horizontal and vertical forces exerted...Ch. 16 - In a plant where hemispherical cup-shaped parts...Ch. 16 - A stream of non-flammable oil (sg 5 0.90) is...Ch. 16 - A 2 -in-diameter stream of water having a velocity...
Ch. 16 - Figure 16.17 O represents a type of flowmeter in...Ch. 16 - Water is piped vertically from below a boat and...Ch. 16 - A 2 -in nozzle is attached to a hose with an...Ch. 16 - Seawater (sg 5 1.03) enters a heat exchanger...Ch. 16 - A reducer connects a standard 6 -in Schedule...Ch. 16 - Calculate the force on a elbow attached to an in...Ch. 16 - Calculate the force required to hold a 90 elbow in...Ch. 16 - Calculate the force required to hold a 180 close...Ch. 16 - A bend in a tube causes the flow to turn through...Ch. 16 - A vehicle is to be propelled by a jet of water...Ch. 16 - A part of an inspection system in a packaging...Ch. 16 - Shown in Fig. 16.20 is a small decorative wheel...Ch. 16 - For the wheel described in Problem 16.22. compute...Ch. 16 - A set of louvers deflects a stream of warm air...Ch. 16 - Prob. 16.25PPCh. 16 - Prob. 16.26PPCh. 16 - Figure 16.22 shows a device for clearing debris...Ch. 16 - Prob. 16.28PPCh. 16 - Figure 16.23 is a sketch of a turbine in which the...Ch. 16 - Repeat Problem 16.29 with the blade rotating as a...Ch. 16 - Repeat Problem 16.29, except with the blade...
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- Compute the twisting moment in in-lb developed when the shaft delivers 20 Bhp at 1200 rpm.arrow_forwardCompute the coefficient of friction Friction force=400 N Normal force=670 Narrow_forwardIn a thrust bearing the external and the intermal diameters of the contacting surfaces are 320 mm and 200 mm respectively. The totail axial load is 80 kN and the intensity of pressure is 350 kN/m. The shaft rotates at 400 rpm. Taking the coefficient of friction as 0.06, calculate the power lost in overcoming the friction, Also, find the mumber of collars required for the bearingarrow_forward
- Homework 2 A pulley is driven by a flat belt, the angle of lap being 120º. The belt is 100 mm wide by 6 mm thick and density1000 kg/m3. If the coefficient of friction is 0.3 and the maximum stress in the belt is not to exceed 2 MPa, find the greatest power which the belt can transmit and the corresponding speed of the belt.arrow_forwardDetermine the belt length that would be applied to two sheaves with pitch diameters of 5.25 in. and 13.95 in. with a center distance of no more than 24 in. Compute the angle of wrap on both of the sheaves. If the small sheave is rotating at 1750 rpm, compute the linear speed of the belt.arrow_forwardThe weight of the wheel tractor in Problem 1 is 30 tons and the weight on the drivingwheels is 50% of this weight. What is the maximum available rimpull if thecoefficient of traction is 0.25?arrow_forward
- You have to build a box lifter, this will be made with a square threaded power screw. The power screw is 3 inches in diameter and 2 threads per inch. To improve the speed of raising and lowering the boxes, it must be with triple thread. The coefficient of friction of the screw and collar is 0.25, the diameter of the collar is 4 inches.Calculate:1. The depth of the thread, the width of the face, the average diameter, the root diameter, the pitch and its feed.2. The torque to increase the load and the efficiency of the screw.3. The speed of the motor (in rpm), if it is directly coupled to the screw and it is desired that the boxes rise at a speed of 30 inches/min.arrow_forwardCompute the theoretical capacity of a 8 inches diameter screw conveyor loaded at 45% of the full load. The screw shaft diameter is 2 inches with a screw pitch of 4 inches. The speed of the conveyor is 80 rpm.arrow_forwardYou have to build a box lifter, this will be made with a square threaded power screw. The power screw is 3 inches in diameter and 2 threads per inch. To improve the speed of raising and lowering the boxes, it must be with triple thread. The coefficient of friction of the screw and collar is 0.25, the diameter of the collar is 4 inches.Calculate:1. The depth of the thread, the width of the face, the average diameter, the root diameter, the pitch and its feed.arrow_forward
- Please provide step by step manual solution, given, and diagram. A 1.5m mean diameter flywheel, 600kg weight changes its speed from 240 rpm to 230 rpm during shearing process. What forces is needed to shear a 30mm thick plate ?arrow_forwardAn industrial water shutoff valve is designed to operate with 10 N of effort force on the wheel. The valve will encounter 30 N of resistance force applied to an axle that is 0.35 m in diameter. What is the required diameter of the wheel?arrow_forwardhas a double- The gear puller shown in Fig. threaded square-threaded screw with a mean radius of in., a pitch of 0.1 in., and a coefficient of friction of 0.30. The gear is wedged onto its shaft and requires a force of 100 Ib to remove it. Determine the moment that must be applied to the gear puller screw to remove the gear.arrow_forward
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