
Concept explainers
A brass (nonmagnetic) block A and a steel magnet B are in equilibrium in a brass tube under the magnetic repelling force of another steel magnet C located at a distance

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Chapter 11 Solutions
Vector Mechanics For Engineers
- Oxygen at 300 kPa and 90°C flowing at an average velocity of 3 m/s is expanded in an adiabatic nozzle. What is the maximum velocity of the oxygen at the outlet of this nozzle when the outlet pressure is 60 kPa? Use the table containing the ideal gas specific heats of various common gases. The maximum velocity of the oxygen at the outlet of this nozzle is m/s.arrow_forwardThe well-insulated container shown in the given figure is initially evacuated. The supply line contains air that is maintained at 150 psia and 110°F. The valve is opened until the pressure in the container is the same as the pressure in the supply line. Determine the minimum temperature in the container when the valve is closed. Use the table containing the ideal gas specific heats of various common gases. A valve is shown at the vertical tube. The minimum temperature in the container when the valve is closed is °F.arrow_forwardDuring the isothermal heat addition process of a Carnot cycle, 1050 kJ of heat is added to the working fluid from a source at 400°C. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Determine the total entropy change for the process. The total entropy change for the process is kJ/K.arrow_forward
- Question 6 What kind of problem would arise if components of the strain tensor were defined as v Double counting of the normal strains. Strain discontinuity. Rotation would lead to a shear strain. Double counting of the shear strains.arrow_forwardplease show steps, thanksarrow_forwardYou design a pin joint. The pin is made of a material with the yield strength of 325 MPa and ultimate strength of 500 MPa. The maximum allowed stress in service is expressed as a tensor 0 100 0 σ 100 0 0 MPa 0 0 Evaluate the safety factor SF for stress in this design. Write answer unitless rounding to 2 decimal places and enter decimals even if those are zeros.arrow_forward
- 2. A single crystal of aluminum is oriented for a tensile test such that its slip plane normal makes an angle of 28.1° with the tensile axis. Three possible slip directions make angles of 62.4°, 72.0°, and 81.1° with the same tensile axis. (a) Which of these three slip directions is most favored? (b) If plastic deformation begins at a tensile stress of σ x = 1.95 MPa (280 psi), determine the critical resolved shear stress for aluminium. (c) If this single crystalspecimen is loaded under the new stress state: σ x =1.2 MPa σ y = -0.8 MPa, and τ xy = 0.6 MPa, howmuch is the resolve the shear stress along the most favored slip direction?arrow_forwardPlease explain how to do each part and tell me if my drawing is correct. thank youarrow_forward4. Determine which of the following flow fields represent a possible incompressible flow? (a) u= x²+2y+z; v=x-2y+z;w= -2xy + y² + 2z a (b) V=U cose U coso 1 (9) [1-9] Usino |1 (4)] [+] V=-Usin 1+1arrow_forward
- 3. Determine the flow rate through the pipe line show in the figure in ft³/s, and determine the pressures at A and C, in psi. 5' B C 12° 20' D 6"d 2nd- Water Aarrow_forward5. A flow is field given by V = x²₁³+xy, and determine 3 ·y³j- (a) Whether this is a one, two- or three-dimensional flow (b) Whether it is a possible incompressible flow (c) Determine the acceleration of a fluid particle at the location (X,Y,Z)=(1,2,3) (d) Whether the flow is rotational or irrotational flow?arrow_forwardSolve this problem and show all of the workarrow_forward
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