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If plastic deformation begins at a tensile stress of 4 MPa, determine the critical resolved shear stress (in MPa) on this slip system. Your answer should be expressed to two decimal places.
If the processing is changed such that the spacing between the particles increases by a factor of 3.3, what is the new yield strength? Express your answer in MPa to one decimal place.
Calculate the energy (in kJ/mol) for vacancy formation assuming that the density of the metal remains the same over this temperature range.
The initial temperature of the plate and the cooling air temperature are 295 K when 300 W of power are switched on. 1) Find the plate temperature after 10 minutes, Find the steady temperature of the
What is the mass flow rate of seasonings that exit the tumbler unattached to the potato chips (and must be recycled)?
What is the rate at which new cooking oil must be added to the vat so that there is always the same mass of oil in the vat at all times?
The potato chip company operates by using 150 lb/hr of dirty, unpeeled potatoes. What is the rate of wet potatoes (potatoes plus water) leaving stage 1 and entering stage 2, peeling?
The vehicle weighs 10 tons. How far can it travel underground before each wear plate is reduced in thickness by 1/4"?
Calculate the number of vacancies at 571°C given that the energy for vacancy formation is 1.18 eV/atom; assume that the density at both temperatures is the same.
If the pressure at the pump inlet is to be 5 psi prior to turning the pump on and the oil has a specific gravity of 0.09, what should the oil level be above the pump inlet?
Explain the differences in the necked regions for the two tensile specimens (one made of metal and the other made of plastic) and why they occur?
The exit temperature is 137 C, and the exit area is 200 cm2, determine the power required (kW) if the inlet velocity is neglected.
The boiler in a steam power plant takes liquid water at 10 MPa. What is the rate of heat transfer to the water? Assume the flow is steady and the tube has constant diameter.
The control volume rejects heat to the surroundings at the rate of 1.2 kW and produces 4.5 kW of power output. Determine the flow rate of second stream of air that enters.
If the c0st 0f of labor is $1.05/ rivet find the cost incurred per 1000 rivets assuming that there is a normal dirstubition. What would be the cost of the spec was 25.2 +/- .5
Some electronics are mounted in an enclosure with dimensions of 9 X 16 X 22 cm. Determine the mass rate of flow (kg/s) and the volumetric flow rate (m3/s).
Assuming a normal distrubution of yield strengths. Find the number of standard deveations that corresponds to this failure rate.
How could you stitch the two branches of the square root functions together to get a single graph for the complex case? The stitching will give you a figure that would have to intersect itself in th
Determine the force of the rod on the particle and the normal force of the slot on the particle when theta=30 degrees. The rod is rotating with a constant angular velocity.
Determine the pressure that develops in the container when the water reaches this higher temperature. Assume that the volume of the container remains constant.
The volume of the steam is doubled with no mass change, and the steam temperature is maintaned constant. Find the new steam pressure and quality.
Determine the magnitudes of the components of force which the track exerts on the car in the r, theta, and z directions at the instant t=2s. Neglect the size of the car.
Calculate the resolved shear stress acting on the (11-1) plane in the [1-10],[101],and [011] slip directions. Which system(s) will be active first?
When a car is making a turn its rear wheels have different speeds: 24 m/s and 18 m/s. If the rear wheelset has width L = 2 m, what is radius of the circular path of midpoint of the wheel set?
Determine the volume (m3/s) and mass flow rates (kg/s) of water through the hose, and the average velocity (m/s) of water at the nozzle exit.