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It is subjected to an internal pressure of 20 MPa and a bending moment of 2.0 kN*m. Determine the safety factor against yielding if the material is 7075-T6 aluminum.
Estimate the overall measurement instrument uncertainty for this system based on available information. FSO refers to full-scale operating point.
Determine the following: (a) The boundary work for the isothermal expansion process. (b) The boundary work for the polytropic compression process.
Determine the following: a) The volume of water in cylinder at initial and final state. b) The boundary work during this process. c) The heat transfer Q during this process.
Determine the following: (a) The mass (kg) and volume (m^3) of the nitrogen at the initial state? (b) The boundary work done during the process, in kJ?
Determine the work and the heat transfer,each in Btu, using a)constant specific heats evaluated at 500oR and b) data from table 22-E compare the results.
calculate the strain-rate sensitivity (or m value) for Al 6061-T6 based on this data. Perform this evaluation at an engineering strain of 0.030. Assume
The lower plate moves at a constant velocity V while the upper one is at rest. Find the steady-state temperature distribution in the fluid. Assume constant properties and neglect end effects.
Air enters the turbine through a 0.2-m2 opening with an average velocity of 40 m/s, and exhausts through a 1-m2 opening. Determine the mass flow rate of air through the turbine.
Find the temperature and the cooling rate of the wire as a function of time. Assume constant thermal properties and neglect the radial temperature gradients and end effects.
An electric wire made of C14500 copper is stretched between two street supports at 20 degrees celcius so that a stress of 40 MPa is produced. At what temperature would the stress in the wire become
The radius of the curvature of the path of the car at B is 180 m. Calculate the total friction force exerted by the road on the tires at B. The road at B lies in a horizontal plane.
Each molecule can be viewed as a cylinder of initial length L and cross-sectional area Ac, determine the thermal contact resistance R"tc at the metal-moleculte interface.
Consider an isentropic expansion process in a piston cylinder device, where air is expanded from 1MPa and 800 K to 0.1 MPa. Calculate the final temperature of air for the process.
Determine the work and heat transfer involved in the process (in kJ). Sketch the process on P-v and T-s coordinates. Associate the work and heat transfer with areas on these diagrams.
Consider five kilograms of water at 10°C and 75% quality in a closed container. The water is compressed isentropically from its initial state to 4 MPa. How much work is required as input to this
At time t = 2 which particle has the higher velocity? Which particle comes to rest (zero velocity) first and at what time does this occur? Assume the constants of proportionality to be 1.
a) What will be the resolved shear stress on the [11-1] direction within the {101) slip plane of this grain? b) What tensile stress will be required to produce a critical resolved shear stress of 31
A stainless steel bar, 10 inch long and 3/8 inch in diameter, is loaded in tension and experiences an elastic stretch of 100 microns. What is the load acting on it, if its young's modulus is 28 mill
Find the elasticity modulus, 0.2% offset yield strength, tensile strength and % elongation to failure through proper procedure.
The rods are connected with gears having radii of 120 and 90mm. Determine the maximum shear stress if the torque TA is 200Nm.
A heat loss of 20 kJ/kg occurs during the process. Neglecting kinetic energy changes, determine the power input required for a mass flow rate of 90 kg/min.
Determine the current supplied if the final temperature is 70C. Also, show the process on a T-v diagram with respect to the saturation lines.
Determine the temperature of the air at the compressor exit. The heat transfer in kJ/kg of air flowing. Sketch the process on a p-v and T-s diagrams and indicate the work and heat transfers.
The walls of the tank are constructed of 5-cm-thick urethane insulation sandwiched between two metal sheets of negligible thinkness. Determine the amount of milk in the tank in kg and in gallons.