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prings in a suspension system of automobiles are made of steel rods heated and wound into coils while ductile.Consider steel rods (ρ= 7832kg/m3, cp= 434 J/kg K, and k = 63.9 W/m K) with diameter of 2.5cm and length of 1.27m. The steel rods are heated in an oven with a uniform convection heat transfer coefficient of 20 W/m2K. The steel rods were heated from an initial temperature of 20 C to the desired temperature of 450 C before being wound into coils. Determine the ambient temperature in the oven, if the steel rods were to be heated to the desired temperature within 10 minutes.
at an amusement park there are 200-kg bumper cars a b and c that have riders with masses of 40 kg 60 kg and 35 kg
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discuss the effects of grinding and turning on the endurance limit of steel. what is the reason of change in fatigue
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