Engineering, 30.10.2019 02:31 googoo4
Helical coil compression spring is needed for food service machinery. the load varies from a minimum of 4 lbf to a maximum of 18 lbf. the spring rate k is to be 9.5 lbfyin. the outside diameter of the spring cannot exceed 212 in. the springmaker has available suitable dies for drawing 0.080-, 0.0915-, 0.1055-, and 0.1205-in-diameter wire. using a fatigue design factor nf of 1.5, and the gerber-zimmerli fatigue-failure criterion, design a suitable spring
Answers: 2
Engineering, 04.07.2019 18:10
Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.
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Engineering, 04.07.2019 18:10
Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer
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Engineering, 04.07.2019 18:20
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
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Engineering, 04.07.2019 18:20
Wiy doeres rere okhn a pump whon working betwon the same pressure range?
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Helical coil compression spring is needed for food service machinery. the load varies from a minimum...
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