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an ideal rankine cycle uses water as its working fluid the mass flow rate of water through the cycle is 150 kgs
you can transform a long bar of stainless steel from an initial 25 mm in diameter to 23 mm diameter by either machining
consider atmospheric air at 25 degrees celsius and a velocity at 25 ms flowing over both sides of a 1 nbspeter long
a 400-mm-diameter impeller of a radial-flow water pump rotates at 120rads and has a discharge of 05m3s determine the
as a 75 slug car travels along a horizontal 3200 ft section of road it changes speed from 5 mph to 60 mph during this
refrigerant r134a is compressed under steady conditions from a saturated vapour at 100 kpa to 500 kpa the
a counter-flow double pipe heat exchanger is heat water from 20 degrees celsius to 80 degrees celsius at the rate of 12
a counter flow double pipe heat exchanger is to heat water from 20 degrees celsius to 80 degrees celsius at the rate of
hot oil is to be cooled in a double-tube counter flow heat exchanger the copper inner tubes have a diameter of 2 cm and
consider atmospheric air at 25 degrees celsius and a velocity at 25 ms flowing over both surfaces of a 1 meter long
steam at 3 mpa 400c enters a turbine with a volume flow rate of 5 m3s an extraction of 15 of the inlet mass flow rate
water vapour enters an adiabatic turbine at a flow rate of 820 ls the turbine expands the water from 10 mpa and 600oc
the mass of the working fluid is 0003 kg the minimum temperature in the cycle is 300 k and the maximum temperature is
water vapor at 100 lbfin2 500 degrees f and a velocity of 100 fts enters a nozzle operating at steady state and expands
a frictionless piston-cylinder device initially contains air at 200 kpa and 02 m3 at this state a linear spring is
question a shaft is machined of cold drawn aisi 1020 steel it is rotated at 500 rpm the shaft is 100 mm long between
a water cooled compressor with air flowing at 01 kgs enters at a temperature of 27c the compressor work is 5 kw and the
two standard gears have a diametral pitch of 12 and a velocity ratio of 70 the center distance is 8 in determine the
two standard gears in mesh have 48 and 102 teeth respectively their diametral pitch is 10 and the pinion rotates at 60
a 24-tooth gear has agma standard full-depth involutes teeth with diametral pitch of 5nbspcalculate the pitch diameter
a gas within a piston-cylinder assembly executes a carnot power cycle during which the isothermal expansion occurs at
an inventor claims to have made an engine that operates from a plutonium energy source at 1060degr and a heat sink at
air is expanded from 315 psia and 650 f to 96 psia and 40 f assuming constant specific heats at room temp determine the
a 159-kg aluminium block initially at 197 c is brought into contact with a 17-kg block of iron at 92 c in an insulated