Engineering, 28.11.2019 21:31 becddjr
Ashaft is subjected to steady torsional stress τ=25 kpsi and alternating (fully reversed) bending stress σ=30 kpsi. the material is steel with sut=70 kpsi, sy=70 kpsi and se=35 kpsi that includes the modifying factors. a. calculate the static safety factor ηy for yield. b. calculate the fatigue safety factor ηf for infinite life using modified goodman criterion. c. calculate the fatigue safety factor ηf for infinite life using asme elliptic criterion.
Answers: 2
Engineering, 04.07.2019 18:10
Determine whether or not it is possible to compress air adiabatically from k to 140 kpa and 400 k. what is the entropy change during this process?
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Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables
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Engineering, 04.07.2019 18:20
Find the kinematic pressure of 160kpa. for air, r-287 j/ kg k. and hair al viscosity of air at a temperature of 50°c and an absolute (10 points) (b) find the dynamic viscosity of air at 110 °c. sutherland constant for air is 111k
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Ashaft is subjected to steady torsional stress τ=25 kpsi and alternating (fully reversed) bending st...
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