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Molybdenum forms a substitutional solid solution with tungsten. Calculate the concentration (in weight percent) of molybdenum that must be added to tungsten to yield an alloy that contains 1.51 x 1022 Mo atoms per cubic centimeter. The densities of pure Mo and W are 10.22 and 19.30 g/cm3, respectively, and their respective atomic weights are 95.94 and 183.85 g/mol.
Draw the Mohr's circle for this stress state, deterrnine the principal stresses and the angle of the principal direction to the x-axis and determine the maximum shear stress.
Calculation of percentage heat reduction, Water at 90 C flows through a 50mm bore steel pipe of wall thickness 8 mm. Ambient temperature is 18 C. Calculate the heat loss per metre length of pipe
a triangular field with vertices opq has sides op=402m,pq=388m,and qo=254m. find the perpendicular distance from the vertex p to the opposite side.
The compression ratio of an air-standard Otto cycle is 9.5. Prior to the isentropic compression process, the air is at 100 kPa, 17 C, and 600 cm2
A 50 hp motor with an efficiency of 0.80 is to be replaced by a newer model motor with an efficiency of 0.90. The motor is expected to operate 3000 hours per year. The cost of electricity in our area is $0.06 per kWhr.
Assuming a small oscillation about the horizontal equilibrium position, determine position X for the slider such that the friction period is 1 second.
A household refrigerator with a coefficient of performance of 2.4 removes energy from the refrigerated space at a rate of 600 Btu/h. Evaluating electricity at , determine the cost of electricity n a month when the refrigerator operates for 360 hou..
Calculate the static thrust of the turbojet engine having mass flow 88lbm/sec the ratio of air and fuel mass flowing into the turbojet is 50:1 and it's exhaust plane the velocity is 1640 ft/sec and pressure is same as ambient pressure?
Determine the coordinates x' and y' of the centroid C of the area shown in the figure and calculate the moments of inertia of the area shown, about ox and oy axes.
Motor coming to rest, A motor is running at 12 rpm and the switch is flipped and cuts the power. The rotor weighs 75 lbs.
Briefly describe the meaning of the term mechatronics both in terms of the 'systems approach' and the technology involved.
Air enters a 0.6 m diameter fan at 16 deg C, 101 kPa, and is discharged at 18 deg C, 105 kPa, with a volumetric flow rate of 0.35 m^3/s.
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