SCIENCE+ENGR.OF MTRLS.,ENHANCED
7th Edition
ISBN: 9780357447864
Author: ASKELAND
Publisher: CENGAGE L
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Chapter 1, Problem 1.29P
To determine
Properties of carpenter’s hammer head and its manufacturing.
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ฉันต้องการหา อุณหภูมิสุดท้ายของกระบวนการนี้และงานของกระบวนการนี้มีค่าเท่าใด
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 .
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Chapter 1 Solutions
SCIENCE+ENGR.OF MTRLS.,ENHANCED
Ch. 1 - Define materials science and engineering (MSE).Ch. 1 - What is the importance of the engineering...Ch. 1 - Define the following terms: Composition;...Ch. 1 - Explain the difference between the terms materials...Ch. 1 - The myriad materials in the world primarily fall...Ch. 1 - What are some of the materials and mechanical...Ch. 1 - What is a ceramic, and what are some of the...Ch. 1 - comparisons between thermoplastics and...Ch. 1 - Give three examples of composites that can be...Ch. 1 - For each of the followign classes of materials,...
Ch. 1 - Describe the enabling materials property of each...Ch. 1 - Describe the enabling materials property of each...Ch. 1 - Prob. 1.13PCh. 1 - Prob. 1.14PCh. 1 - Prob. 1.15PCh. 1 - Temperature indicators are sometimes produced from...Ch. 1 - Prob. 1.17PCh. 1 - Prob. 1.18PCh. 1 - Prob. 1.19PCh. 1 - Prob. 1.20PCh. 1 - Steel is often coated with a thin layer of zinc if...Ch. 1 - Prob. 1.22PCh. 1 - Prob. 1.23PCh. 1 - Prob. 1.24PCh. 1 - You are an engineer working for a manufacturer of...Ch. 1 - We would like to produce a transparent canopy for...Ch. 1 - Prob. 1.27PCh. 1 - Prob. 1.28PCh. 1 - Prob. 1.29PCh. 1 - Prob. 1.30PCh. 1 - Prob. 1.31PCh. 1 - You would like to be able to identify different...Ch. 1 - You would like to be able to physically separate...Ch. 1 - Some pistons for automobile engines might be...Ch. 1 - • Convert 7750kg/m3tolb/ft3 using the Unit...Ch. 1 - • Using the basic search option in Knovel, find as...Ch. 1 - Prob. 1.3KP
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- Correct Answer is written below(preferably handwritten solution) . Detailed and complete fbd only please. I will upvote, thank you.arrow_forwardThe 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_forward
- Correct 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_forwardCorrect Answer is written below(preferably handwritten solution) . Detailed and complete fbd only please. I will upvote, thank you.arrow_forwardCurrent Attempt in Progress A cold air-standard Otto cycle has a compression ratio of 9 and the temperature and pressure at the beginning of the compression process are 520°R and 14.2 lbf/in.², respectively. The heat addition per unit mass of air is 600 Btu/lb. Assume constant specific heats evaluted at 520°R. Determine: (a) the maximum temperature, in °R. (b) the maximum pressure, in lbf/in.² (c) the percent thermal efficiency. (d) the mean effective pressure, in lbf/in.²arrow_forward
- Correct Answer is written below(preferably handwritten solution) . Detailed and complete fbd only please. I will upvote, thank you.arrow_forwardCorrect answer and complete detailed fbd only. I will upvote. : The two steel shafts, each with one end builtinto a rigid support, have flanges attached to their freeends. The flanges are to be bolted together. However,initially there is a 6⁰ mismatch in the location of the boltholes as shown in the figure. Determine the maximumshear stress(ksi) in each shaft after the flanges have beenbolted together. The shear modulus of elasticity for steelis 12 x 106 psi. Neglect deformations of the bolts and theflanges.arrow_forwardCorrect detailed answer and complete fbd only. I will upvote. The compound shaft, composed of steel,aluminum, and bronze segments, carries the two torquesshown in the figure. If TC = 250 lb-ft, determine the maximumshear stress developed in each material (in ksi). The moduliof rigidity for steel, aluminum, and bronze are 12 x 106 psi, 4x 106 psi, and 6 x 106 psi, respectivelyarrow_forward
- Correct answer and complete fbd only. I will upvote. A flanged bolt coupling consists of two concentric rows of bolts. The inner row has 6 nos. of 16mm diameterbolts spaced evenly in a circle of 250mm in diameter. The outer row of has 10 nos. of 25 mm diameter bolts spaced evenly in a circle of 500mm in diameter. If the allowable shear stress on one bolt is 60 MPa, determine the torque capacity of the coupling. The Poisson’s ratio of the inner row of bolts is 0.2 while that of the outer row is 0.25 and the bolts are steel, E =200 GPa.arrow_forwardCorrect answer and complete fbd only. I will upvote. The shaft carries a total torque T0 that is uniformly distributedover its length L. Determine the angle of twist (degrees) of the shaft in termsif T0 = 1.2 kN-m, L = 2 m, G = 80 GPa, and diameter = 120 mmarrow_forward7) find the Emax for figure below. 250N Ans: Tmay 7.5 MPa Gomm 350mm 50mm 4arrow_forward
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