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A vertical piston-cylinder device contains a gas at a pressure of 100kPa. The piston has a mass of 5 kg and a diameter of 12 cm. Pressure of the gas is to be increased by placing some weights on the piston. Determine the local atmospheric pressure and the mass of the weights that will double the pressure of the gas inside the cylinder.
a water cooled spherical object of diameter 10 mm and emissivity 0.9 is maintained at 4000c. what is the net transfer
Determine the velocity of shearing along the shear plane and the velocity of sliding at the tool-chip interface and find the work done per minute in shearing the metal and against the friction.
Oil (p = 800 kg/m3 , u (mu) = 3.0 x 10^-3 kg/ms) is to be pumped at a rate of at least 6.3 x 10^-5 m3/s through hydraulically-smooth horizontal pipe with an equivalent length of 300 m. The pressure at the pipe inlet is 198 kPa (abs).
calculate the max deflection in a titanium alloy cantilever beam that can support a 100n load at the end of the beam
a belt pulley is fastened to a 75 mm shaft running at 360 rpm by means of a key 18 mm wide and 125 mm long. the
an electric power plant uses solid waste for fuel in the production of electricity. the cost y in dollars per hour to
air is compressed in a car engine from 22 degc and 95 kpa in a reversible and adiabatic manner. if the compression
a popular method of cooling homes in the southwest us is the evaporative cooler. it cools air entering a home by
Calculate the static thrust of the turbojet engine having mass flow 88lbm/sec the ratio of air and fuel mass flowing into the turbojet is 50:1 and it's exhaust plane the velocity is 1640 ft/sec and pressure is same as ambient pressure?
the velocity of a particle is given by v16t2i 4t3j 5t 2k ms where t is in seconds. if the particle is at the origin
a steam turbine receives water at 15 mpa 600oc at a rate of 100 kgs shown in figure q4 below. in the middle section 20
a truck travels 60 mph on a smooth hosizontal road. the frontal area of the truck is 100 square feet. the air
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