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1. A Pb-Sn alloy contains 23% primary a and 77% eutectic microconstituent. Determine the composition of the alloy.
2. An Al-Si alloy contains 15% primary β and 85% eutectic microconstituent. Determine the composition of the alloy.
For the conditions shown on the sketch, will the maximum temperature in the chip exceed 85°C, the maximum allowable operating temperature set by industry standards? A grid spacing of 3 mm is suggested.
It is desired to reduce the transmissibility ratio by one-fourth of its current value by adding a rubber vibration isolation pad. How much static deflection must the pad be able to withstand?
Angles of the asymptotes and the location where the asymptotes intersect the real axis
A rectangular-section steel beam, 50 mm wide by 20 mm deep, is used as a simply supported beam over a span of 2 m with the 20 mm dimension vertical. Determine the value of the central concentrated load
Propane gas enters a continuous adiabatic heat exchanger' at 40°C and 250 kPa and exits at 240°C superheated steam at 300°C and 5.0 bar enters the exchanger flowing counter currently to the propane and exits as a saturated liquid at the same press..
two well-insulated tanks contain air. initially tank a hold 1.0 lb of air at 1440 r and tank b has 2.0 lb of air at
two open reservoirs contain water. they are separated by a wall and a hinged gate at the bottom of the wall. the water
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.
Arbitrary-length dipole. A communication system uses a dipole antenna for transmission. Calculate the power density recieved 5 km away given the following: I0 = 2 A, dipole length is d = 10 mm, λ = 1 m, propagation is in free space, and θ= 90°. St..
The paint on the rotating disk is worn off by dust in the air, exposing the base metal, which has an emissivity of s = 0.10. Determine the total power dissipated from the disks worn top surface.
saturated steam condenses completely to liquid water at a rate of m1 2 kgs at 40 bar pressure saturation temperature
use the generalized virial equation to speculate whether a small leak in an h2 line at 300 bar and 298 k might raise
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