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A vertical double acting steam engine develops 75kw at 250 rpm. The maximum fluctuation of energy is 30% of work done per stroke. The maximum and minimum speeds are not to vary more than 1 percent on either side of the mean speed. Find the mass of the flywheel required, if the radius of gyration is 0.6m.
a cylinder fitted with a piston contains 10 lbm of r-134a at 100 psia and 140 degree f. the refrigerant is cooled at
water vapor at 6 mpa 600?c enters an adiabatic turbine operating at steady state and expands to 10 kpa. the mass flow
steam flows steadily into a turbine with a mass flow rate of 26 kgs and a negligible velocity at 6 mpa and 600 c. the
calculate the maximum permissible crack size in acenter cracked panel subjected to a unifrom stress of 20 ksi. the toughness is 50 ksi"in, the yield stress is 60 ksi, w=12 inches
a plate clutch has a single pair of mating friction surfaces 300 mm od by 225 id. the mean value of the coefficient of
the following data were obtained in a resin burn-off test of an e-glass-polyester sample weight of an crucible
consider a river flowing toward a lake at an average velocity of 3 ms at a rate of 500 m3s at a location 90 m above the
a current of 4 a is maintained in a single circular loop having a circumference of 80 cm. an external magnetic fiel of
a 80 kg resting person with a constant core temperature near 37 c transfers heat at the resting rate to hisher
The ladder has a uniform weight of 80 lb and rests against the smooth wall at B. If the coefficient of static friction at A is mu(a)= 0.4, determine if the ladder will slip. Take theta= 60 deg
an ideal gas contained in s piston-cylinder device undergoes and isothermal compression process which begins with an
The mechanism shown in the figure has been employed as a marine steering linkage called a Raphson's slide. O2B represents the tiller and AC is the actuating rod that is pinned to the slider (link 3) which slides along the tiller. If the absolute velo..
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