Introduction to Heat Transfer
6th Edition
ISBN: 9780470501962
Author: Frank P. Incropera, David P. DeWitt, Theodore L. Bergman, Adrienne S. Lavine
Publisher: Wiley, John & Sons, Incorporated
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3. The shaft below is made of steel (G = 80GPa). It has a diameter of 25mm and is fixed and
supported at the two ends of the shaft, A and D.
(i) Is this a statically indeterminate problem? Why?
(ii) Can you draw the torque load diagram without first resolving the reaction torques at A
or D?
(iii) Determine the reaction torque at A and D.
(iv) Draw the torque load diagram.
(v) Determine the angle of twist at section AB.
B
90 N·m
0.6 m
0.75 m
0.9 m
90 N-m
3- A horizontal Venturi meter with d1 = 20 cm, and d₂ = 10 cm, is used to measure the flow rate of
oil of sp.gr. 0.8, the discharge through venture meter is 60 lit/s. find the reading of (oil-Hg)
differential Take Cd = 0.98.
4- A horizontal Venturi meter is used to measure the flow rate of water through the piping system
of 20 cm I.D, where the diameter of throat in the meter is d₂ = 10 cm. The pressure at inlet is
17.658 N/cm2 gauge and the vacuum pressure of 35 cm Hg at throat. Find the discharge of water.
Take Cd 0.98.
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- H.W: 1-A Pitot tube is inserted in the pipe of 30 cm I.D. The static pressure head is 10 cm Hg vacuum, and the stagnation pressure at center of the pipe is 0.981 N/cm2 gauge. Calculate the discharge of water through the pipe if u/umax = 0.85. Take Cp = 0.98.arrow_forward2- A Pitot tube is used to measure the air flow rate in a circular duct 60 cm I.D. The flowing air temperature is 65.5°C. The Pitot tube is placed at the center of the duct and the reading R on the manometer is 10.7 mm of water. A static pressure measurement obtained at the Pitot tube position is 205 mm of water above atmospheric. Take Cp = 0.98, = 2.03 x 10-5 Pa.s Calculate the velocity at the center and the average velocity. Calculate the volumetric flow rate of the flowing air in the duct.arrow_forward4. The following assembly is made of an Aluminium rod (E = 500 MPa). The diameter of the rods is 25mm and 50mm. The ends of the rod are fixed at A and C. A 400 mm 1400 kN B 800 mm (i) Is this a statically indeterminate problem? Why? (ii) Can you draw the axial load diagram without first resolving the reaction forces at A and C? (iii) Determine the reaction forces at A and C. (iv) Draw the axial load diagram. (v) Determine the deformation at section BC.arrow_forward
- Solve this problem and show all of the work. Show how the moments are calculated and draw a diagramarrow_forwardProblem: Textbook Problem 10.52 and 10.53. Determine the moment of inertia of the area about the x- axis and the y-axis. 3 in. 3 in. 6 in. 2 in. 4 in. xarrow_forwardSeveral reactions are carried out in a closed vessel. The following data are taken for the concentration of compounds A, B, and C [grams per liter] as a function of time [minutes], from the start of the reaction. Show the resulting data and trendlines, with equation and value, on the appropriate graph type (rectilinear, semilog, or log–log) to make the data appear linear.arrow_forward
- Solve this problem and show all of the workarrow_forwardSolve this problem and show all of the workarrow_forwardThe 4-lbs piece of putty is dropped 12 ft onto the 16-lbs block initially at rest on the two springs, each with a stiffness k = 5 lbs/in. Calculate the additional deflection d of the springs due to the impact of the putty, which adheres to the block upon contact.arrow_forward
- Solve this probem. Draw the diagram and show how the moments are calculated in all of the directionsarrow_forwardSolve this problem and show all of the workarrow_forwardThe 4-lbs piece of putty is dropped 12 ft onto the 16-lbs block initially at rest on the two springs, each with a stiffness k = 5 lbs/in. Calculate the additional deflection d of the springs due to the impact of the putty, which adheres to the block upon contact.arrow_forward
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