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For the mechanism of Fig. 9.80, determine the force at the pitch point of the meshed gears due to the inertia force of link 4. The pressure angle of the gear teeth is 20°. The mechanism is driven by a shaft at O2.
Field due to volume charge density. A short plastic cylinder of length L and diameter L/2 has a uniform volume charge density Pv distributed throughout its volume. Calculate the electric field intensity at P 1 , P2 , and P3 (on the axis of the cyl..
A hydraulic cylinder has a piston diameter of 2.2 inches, a fluid pressure of 1100 psi, a flow rate of 132 cubic inches per minute, and a stroke of 10.5 inches. Find the force and the velocity generated by the piston.
1 A simple cycle stationary gas turbine has compressor and turbine efficiencies of 0.85 and 0.9, respectively, and a compressor pressure ratio of 20. Determine the work of the compressor and the turbine, the net work, the turbine exit temperature,..
suppose you are outside on a cold day with no gloves. assume your hands have an area of 0.01 m2. the temperature of
The university requires proof of compulsory vaccinations (including 2 shots of the MMR vaccine) for its students but not its faculty. Provide economic justification for this different approach to student and faulty vaccination requirements.
a timber company wishes to increases sales of timber by supplying log cabin kits that can be assemed and used as
Determine the moment of inertia of the drum and the angular acceleration, the time taken, the work done, the average power developed by the driving motor.
hot exhaust gases leaving an internal combustion engine at 400oc and 150 kpa at a rate of 0.8 kgs is to be used to
consider a well 12 inches in diameter. there are 1000 feet of 10x4 inch collars and 9000 feet of 5x4.26 inch drill
Why don't lawn mowers require a battery? Explain how the spark is generated to ignite the air-fuel mixture. What is the purpose of the carburettor? Explain how it works. How is the Venturi Effect utilized?
A manometer containing oil (r = 850 kg/m3) is attached to a tank filled with air. If the oil-level difference between the two columns is 60 cm and the atmospheric pressure is 98 kPa, determine the absolute pressure of the air in the tank.
the number of vacancies in a material is related to temperature by an arrhenius equation. if the fraction of lattice
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