Engineering, 07.08.2019 19:10 TaraC
In a rolling operation of a 8 inch thick aluminum plate (average fow stress nch andhe inch using a rolling mill with a maximum power of 2000 hp at 100 rpm. roll radius is 4 plate width is 6 inch. assume a coefficient of friction of 0.5. (1hp 33000 lb. ftlmin) 15 kpsi) to a 3 0 rpm. roll radius is 4 inch and the a. b. c. what is the maximum draft that you can achieve? what is the total power required to achieve the maximum draft per pass? what is the required number of passes?
Answers: 3
Engineering, 04.07.2019 18:10
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
Answers: 2
Engineering, 04.07.2019 18:10
Ajournal bearing has a journal diameter of 3.250 in with a unilateral tolerance of 20.003 in. the bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. the bushing is 2.8 in long and supports a 700-lbf load. the journal speed is 900 rev/min. find the minimum oil film thickness and the maximum film pressure for both sae 20 and sae 20w-30 lubricants, for the tightest assembly if the operating film temperature is 160°f. a computer code is appropriate for solving this problem.
Answers: 3
Engineering, 04.07.2019 18:10
Burgers vector is generally parallel to the dislocation line. a)-true b)-false
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Engineering, 04.07.2019 18:10
Which of the following refers to refers to how well the control system responds to sudden changes in the system. a)-transient regulation b)- distributed regulation c)-constant regulation d)-steady-state regulation
Answers: 1
In a rolling operation of a 8 inch thick aluminum plate (average fow stress nch andhe inch using a r...
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