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A 12-module, 20° pinion with 24 teeth drives a tack. If the pinion rotates counter clock wise at 360 rpm. determine graphically the velocity of sliding between the pinion tooth and the rack tooth at the beginning of contact, pitas paint, and at the end of contact.
A railroad freight car of mass 3.18x104 kg collides with a stationary caboose car. They couple together,and 27.0 o/o of the initial kinetic energy is transfe rred to thermalenergy, sound vibrations and so on. Find the mass of the caboose.
an isolated system consists of a closed copper vessel of mass 0.1 kg containing 1 kg of liquid water each initially at
Water in a vertical piston cylinder is heated at constant pressure of 10 bar. It is initially at 179.9 0C and has a specific volume of 0.1 m3/kg and is heated to a final specific volume of 0.248 m3/kg. Changes in kinetic and potential energies are ze..
consider oxygen undergoing a steady-state steady-flow polytropic process n 1.2 from an initial temperature and
a gas stream containing acetone vapor in air leaves a polymer drying process. a 3.0 l sample of gas at 25 deg. c 1.0
steam enters a converging-diverging nozzle operating at steady state with p1 40 bar t1 400oc and a velocity of 10 ms.
a molten mixture of salt nano3-kno3 is used as the heat transfer fluid for application in a parabolic trough solar
A 3-inch diameter orifice cut in a thin orifice plate conveys flow from a deten- tion basin with water level at elevation 472.00 feet. The center of the orifice is at elevation 467.50 feet. Find the discharge for free flow.
a very wide sheet of 7075-t651 aluminum plate 8mm thick is found to have a single-edge through-the-thickness crack 25
Approximate the human form as an unclothed vertical cylinder of 0.3-m diameter and 1.75-m length with a surface temperature of 30°C.
a 0.12-oz bullet hits a suspended 15-lbf block of wood and becomes embedded in it. the angle through which the wires
air enters a compressor operating at steady state at 0.12 mpa 300k and a volumetric flow rate of 8 m3min. the air is
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