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The compressor mechanism shown in Figure is driven clockwise by a DC electric motor at a constant rate of 800 rpm. In the position shown, the cylinder pressure is 70 psi, and the piston weighs 0.75 lb. The coefficient of friction between the piston and the compressor cylinder is 0.1. The weight of all other links is negligible. At the instant shown, determine the torque required from the motor to operate the compressor.
the two sides of a v-shaped water trough are hinged to each other at the bottom where they meet as shown in figure q1
infinite resistor network is shown below composed of resistors of resistance r0 on the horizontal lines and 2r0 on the
consider an ocean thermal energy conversion power plant in hawaii designed to operate between temperature limits of
an alloy named cylon is composed of 25 wt. of metal a and 75 wt. of metal b. if the densities of metals a and b are
air flows over a flat plate at a constant velocity of 20 ms and ambient conditions of 20 kpa and 20degc. the plate is
a crystalline grain of iron in a steel plate is situated in such a way that a tensile stress of 100 mpa 14.5 ksi is
sixteen kg of air and two kg of helium gas are sealed in a rigid and insulated internal-piston-cylinder device.
0.09m3 of a fluid at 0.7 bar are compressed reversibly to a pressure of 3.5 bar according to a law pvnconstant. the
Gear A rotates with an angular velocity of 100 rpm clockwise. Knowing that the angular velocity of arm AB is 50 rpm counterclockwise, determine the corresponding angular velocity of gear B.
two points b and c lie on radial line of a rotating disk. the points are 2 inches apart. vb700 ftmin and vc880ftmin.
a beam with length l 40 in and a rectangular cross section with 2 in width and 3 in height is subjected to a uniformly
a power plant generates 150 mw of electrical power. it uses a supply of 1000 mw from a geothermal source and rejects
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