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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A milling machine is equipped with a 1” diameter end mill. During a facingoperation, the spindle is running at 275 RPM. The depth of cut is 0.04” and linear feed rate is 2” per minute.
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- r Q2. A bracket is attached to a vertical column by means of six identical bolts as shown in Fig. 1. It is subjected to an eccentric force of P-80 kN at a distance of 200 mm from the center of column. What is the magnitude of maximum shear force and which bolt carry it? P= 80 kN 200 Fig. 1 1 2- 75 6 30 75 → 5 .5 1- 50 10-50-1arrow_forward3. The attachment shown in the Fig.2 is made of 1040 HR. The static force is 30 kN. Specify the weldment (give the pattern, electrode number, type of weld, length of weld, and leg size). 30 kN Fig. 2 500 All dimension in mm 100 (15 marks)arrow_forwardฉันต้องการหา อุณหภูมิสุดท้ายของกระบวนการนี้และงานของกระบวนการนี้มีค่าเท่าใดarrow_forward
- The pressure and temperature at the beginning of compression of a cold air-standard Diesel cycle are 100 kPa and 300 K , respectively. At the end of the heat addition, the divssure is 7.2 MPa and the temperature is 2050 K . Assume constant specific heats evaluated at 300 K . Determine:(a) the compression ratio.(b) the cutoff ratio.(c) the percent thermal efficiency of the cycle.(d) the mean effective pressure, in kPa .arrow_forwardQ3. Determine the reaction force at A and force P applied at 45° to the horizontal just necessary to start a roller 100 cm diameter over an obstruction 25 cm high, if the roller weighs 1000 N, as shown in Fig. 3. Fig. (3)arrow_forwardCorrect Answer is written below(preferably handwritten solution) . Detailed and complete fbd only please. I will upvote, thank you.arrow_forward
- The pressure and temperature at the beginning of compression of a cold air-standard Diesel cycle are 100 kPa and 300 K , respectively. At the end of the heat addition, the pressure is 7.2 MPa and the temperature is 2050 K . Assume constant specific heats evaluated at 300 K . Determine:(a) the compression ratio.(b) the cutoff ratio.(c) the percent thermal efficiency of the cycle.(d) the mean effective pressure, in kPaarrow_forwardCorrect Answer is written below(preferably handwritten solution) . Detailed and complete fbd only please. I will upvote, thank you.arrow_forwardCorrect Answer is written below(preferably handwritten solution) . Detailed and complete fbd only please. I will upvote, thank you. 7: The round bar AB in the figure is formed into a quartercircular arc of radius R that lies in the horizontal plane. The bar is built in atB and carries the vertical force P at end A. Given: P = 3 kN, R = 900 mm andα = 25°.1. Calculate the bending moment (kN-m) acting at section C.2. Calculate the torsional moment (kN-m) acting at section C.3. If the allowable torsional stress is limited to 65 MPa, calculate therequired minimum diameter of the bar (mm).ANSWERS: 1.14 kN-m; 0.25 kN-m; 60 mmarrow_forward
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