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it is desired to establish freezing of 10000 loaves of bread each weighing 075 kg from an initial room temperature of
a dragster comes off the start line with an acceleration of 4 ms2 the acceleration increases uniformly from 4 ms2 to
a 40 kg container is initially at rest and then is pushed by a hydraulic cylinder with a force kn 160 - 10 s the
a pilot wants to drop supplies from an aircraft flying at a horizontal velocity of 300 kmhr at an altitude of 500 m how
a 60-kg iron block and a 39-kg copper block both initially at 76oc are dropped into a large lake at 9oc thermal
ten grams of computer chips with a specific heat of 03 kjkg dot k are initially at 15 degrees c these chips are cooled
the 06-kg mass is supported by two arms of negligible mass the angle of the arms can be varied by changing the force f
steam is the working fluid in a simple ideal rankine cycle saturated vapor enters the turbine at 8 mpa and saturated
a 110th scale model of an airplane is to be tested in a wind tunnel that operates with air at a pressure of 20
the capillary rise h of a liquid in a tube varies with tube diameter d gravity g fluid density roe surface tension y
a closed gas turbine unit uses neon as the working fluid there are two stages of compression with inter cooling from
air at 22 kpa 220k and 250 ms enters a turbojet engine in flight at an altitude of 10000m the diffusor slows the air
steam enters a converging nozzle at 800 kpa and 280 c with negligible velocity if the expansion is isentropic what is
fluid is moving between two plates the top plate is moving with a velocity v the distance between the plates is h and
the engine of the van produces a constant driving traction force f at the wheels as it ascends the slope at a constant
a building has a calculated cooling load of 24 tons of which 6 tons is latent load the space is to be maintained at 72
the velocity of plane b relative to plane a can be expressed in the following form vba minj m i is the x-component of
two planes a and b are flying at the same altitude if the magnitudes of their velocities are va 500 kmh and vb450kmh
in a cold air-standard brayton cycle air enters a compressor operating at steady state at 15 lbin2 80 degress f with a
write a report summarizing your research and evaluations divide the report into several sections that includes abstract
the campbell company is a manufacturetheir capital structure consists oflong-term debt with an incremental borrowing
1 given water h3227 kjkg temperature 400c find specific volume pressure and specific internal energy2 given r-134a t15f
a feed water heater in a power plant has two inflows 05 kgs steam at 320acircdegc and 7 bar and 45 kgs liquid water at
the equation of state of a gas is given as bar vp10bar v2 rsubut where the units of bar v and p are m3kmol and kpa
a heater exchanger uses 6 kgs cold water at 10 c in a counter-flow heat exchanger to cool a hot glycerine cp 205