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calculate the force required to push liquid oil with the density of 890 kgm3 through a 1 mm diameter hole account for
a uniform bar of length l and weight w is suspended symmetrically by two strings set up the differential equation of
a closed system contains 2 kg of nitrogen at 27 c initially the gas is heated to a final temperature of 277 c determine
if all of the objects illustrated in the figure have equal masses which object has the largest moment of inertia about
a power plant receives 92000 lbmhr or coal that burns in 25 percent excess air for simplicity assume the coal is pure
calculate the percent energy distribution for a steam generator among the following categories i steam ii flue gas
after scaling a wall a thief drops 3-m to the ground if his body comes to a complete stop 015s after his feet touch the
an old 3000-lb gun fires an 18-lb shell with an initial velocity of v01500fts at an angle of 30 degrees the gun rest on
a round cantilever bar is loaded given diameter d 50mm t 01p nm f 10p n allowable stresses are 100 mpa in tension
two resistors r 1 1000 plusmn 02 and r2 500 plusmn 01 are connected a in series and b in parallel calculate the
a steam power plant operates on the ideal reheat rankine cycle steam enters the high pressure turbine at 6 mpa and
water initially a saturated liquid at 100 c is contained in a pistonndashcylinder assembly the water undergoes a
it is claimed that a refrigerator requiring 400 w of power w receives heat from cold storage low temperature source tl
a cylinder with a 03 m inner diameter and 04 m outer diameter is internally pressurized to 140 mpa determine the
a 1 m diameter cylindrical container with hemispherical ends is used to transport gas the internal pressure is 5 mpa
provide 2 separate reasons based on thermo physical properties from the appendices in the back that together help
air at 1000k and 400 kpa enters the insulated nozzle of a turbo-jet engine because the plane is flying at an altitude
the bolt pattern shown has combined direct shear and torsion assuming the load on the bolts cause by the force p is not
an engine having 90 efficiency produces 25 mw power calculate the power produced for the same inlet conditions and exit
a compressor having 80 efficiency requires 25 mw power to pressurize air calculate the power requirement for the same