Engineering, 18.07.2019 04:20 kayleegeise
Example for strengthening mechanism in single-phase material a. dispersion strengthening b. precipitation hardening c. fiber strengthening d. strain hardening
Answers: 2
Engineering, 04.07.2019 18:10
Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)
Answers: 1
Engineering, 06.07.2019 02:30
1in2 processor chip can be modelled as an isothermal plane wall of silicon, isothermal on both sides. the power input to the bottom of the plane wall, or the processing power of the chip, often called the thermal design power (tdp), is 100w. assume the periphery is adiabatic. the silicon is 400 microns thick. the temperature at the junction, or in this case on the bottom of the isothermal plane wall, is 85ยฐc. what is the top surface temperature, assuming that the only mode of heat transfer is conduction
Answers: 1
Engineering, 06.07.2019 03:20
Aload of 10kn is to be suddenly applied to the free end of a vertical rod of length 500 mm, the upper end being rigidly fixed. 190 mechanical science what should the diameter of the rod be if the maximum stress in the rod is not to exceed 100 mpa? the tensile modulus of the rod is 205 gpa.
Answers: 2
Engineering, 06.07.2019 05:20
An industrial centrifugal air compressor has 34 radial blades that has no pre-whirl. the tip speed of the blades is 300 m/s, and the radial component of the air velocity at the tip is 150 m/s. air is inducted at 101.3 kpa and a stagnation temperature of 305 k. the mass flow rate is 3 kg/s. consider the power input factor to be equal to 1.04 and a stagnation temperature at the compressor exit of 370 k, if the flow is isentropic. assume cp-1005 j/kg.k. find the power input to the compressor (in kw)
Answers: 3
Example for strengthening mechanism in single-phase material a. dispersion strengthening b. precipit...
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