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A pinion with 24 teeth has a tooth thickness of 0.2550 in. at a cutting pitch radius of 1.500 in. and a pressure angle of 20°. A gear having 40 teeth has a tooth thickness of 0.2300 in. at a cutting pitch radius of 2.500 in. and a pressure angle of 20°. Calculate the pressure angle and center distance if these gears are meshed together without backlash.
a closed-end cylindrical pressure vessel constructed of carbon steel has a wall thickness of 2 mm a diameter of 150 mm
a curve of radius 200m on a level road is banked correctly for a speed of 65 kmh. if an automobile of mass 2 mg rounds
A piston-cylinder assembly in an air atmosphere of p = 1 atm (= 1.013 bar) contains 1 kg of nitrogen. The initial volume of the nitrogen is 1 m^3, and its initial pressure is 1 atm. The side of the cylinder is heated such that the heat transfer to th..
A compressor receives 0.1 kg/s R-134a at 150 kPa, -10C and delivers it at 1000 kPa, 40C. The power input is measured to be 3 kW. The compressor has heat transfer to air at 100 kPa coming in at 20C and leaving at 30C (i.e. like a heat exchanger). What..
air enters a compressor operating at steady state with a volumetric flow rate of 8 m3min at 23degc and 0.12 mpa. the
a newly developed diagnostic test indicates that 80 of students predicted to score 100 on an exam actually do. the
consider a large rain water tank for a remote farmhouse. the farmhouse occupants are constantly concerned with the
Explain why metals are ductile and ceramics are brittle, in terms of their dislocation motion. Draw 2 pictures to sequentially show an edge dislocation gliding through a crystal, using dots to represent the atoms. Draw 2 pictures to show how a disloc..
For a laminar flow between two parallel plates shown figure below, obtain an expression for the pressure drop and velocity profile. Also, obtain an expression for Frictional dissipation and the friction factor.
Determine the stress that would result in a 1in schedule 40 steel pipe if a plumber applies a force of 70lb at the end of a wrench handle that is 16in long. What is the equation for torque? What is the value of T in this problem? Include units. What ..
A refrigeration system operating with Refrigerant 134a consists of a compressor, a condenser, a throttle valve and an evaporator. The refrigerant enters the compressor dry saturated at a temperature of -150C and is compressed to pressure of 13.174..
an individual presently owns an oil lease. the payments from this lease beginning at the end of this year are 10000
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