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Q: what was the first industry to use machinery in production?: Depends on your definition of machinery. I believe that there were primitive machines in use in agriculture even before recorded history.

Q: Suppose that a piston is moving straight up and down and that its position at time t seconds iss = Acos(2πbt)with A and b positive. The value of A is the amplitude of the motion and b is the frequency(the number of times the piston moves up and down each second). What effect does doubling the frequency have on the piston's velocity and jerk?Follow up question, why does machinery break when you run it too fast?: Q1 === If you double the frequency, this means that you are doubling the number of times that the cylinder goes up, hits it's highest point, turns around and comes back down again in a second. You must be doubling the distance the piston travels. The time is one second, so effectively you are doubling the speed. Q2 === Jerk in this sense is one of those wonderful descriptive words that works in the real world, but is hard to put into a formula. I wonder if you have to do that. Certainly the force increases because the turn around time is much smaller when the frequency is doubled. That means time in this formula F = m*(vf - vi)/t is much smaller and that makes the force larger. Q3 == So machinery must break down because the force on moving the piston up and down has become much larger.

Q: About rubber machines, such as Intensive mixer, kneader, pelletizer, extruder, mixing mill...etc.: Call one or look in the yellow pages.

Q: do you have any book for farm machinery design?: Yes. okorder . Plenty of books on development of farm machinery.

Q: Explain why machinery used on a.c supply is usually rated in kVA instead of kW.?: Because most machinery present an inductive load and so has a less-than-unity power factor. The current peak lags the voltage peak in the two waveforms. However, as the current is drawn at a lower voltage (away from the peak), the load current is higher to get the same overall power to the machine. eg. if it took 20% more current to make up for the voltage phase offset, a 1000W load would be taking the same current as a 1200W load at unity power factor. That's the VA rating, it's equivalent to watts at unity power factor.

Q: To what extent did machinery help people? To what extent did machinery hurt people, especially organized labor?Im talking about the first time machienry became more known to people and how did it affect them? I know it ultimetly ended up with death but please help me put in some key facts.I just want some general ideas to write/ponder about.: industrial okorder ... - 523k - similar pagesTechnologically, the United States took its first steps toward mass production almost .... whereas the transformation was, to a great extent, gradual. ..... On the contrary, the development of machine

Q: mchineries for burgers, sausages, frankforters. minced meat,luncheons, etc.: I'm not sure...you should google that.

Q: Do I need a license to operate your machinery?: no longer a reliable concept. An unlicensed driving force might reason so plenty extra harm to others then himself. they might plow via a crowd of folk, injuring dozens, or harm a development or shape, with the cost of fix plenty extra suitable than merely the cost of adjusting the vehicle. On an identical observe, there's a reliable argument for drug use being decriminalized, as long as ya do notcontinual.

Q: For a project in college I need to know what machinery (JCB etc) is used for deep excavations. Does anyone know? I can research their functions myself but I can't find any types of machinery used online. Help?Thanks in advance: Sandvic D C120 Hydraulic drilling unit is used for drilling, CATTERPILLER make Excavator 330 DL and L T Komatsu PC 300 Volvo excavator etc are bing used for Deep Excavation. Please contact local office of the above said companies(L T, CAT, Hyuyidai, Vova) and enquire model No for the your applications.

Q: JFK Jr crashed his airplane while drunkJFK shot himself while drunk - and they blamed it on some guy behind a bushTeddy drown his mistress while driving drunkPatrick crashed his car into the Capital while drunkwhat's with these clowns ?: Joe operated whiskey stills ok. maria shriver has operated the terminator ok so far i guess.

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