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Nitrogen enters a nozzle steadily at 1.2mpa and 600k with a velocity of 30m/s the inlet area of the nozzle is 0.005m^2 the nitrogen leaves the nozzle at 298k with a velocity if 400m/s. find the heat transfer rate during the process?
consider a pistoncylinder arrangement that has a linear spring mounted such that as the piston rises to a certain point
what is an exergy factor? 8 what is a pinch point and what is it used for? 9 what does the compressor in figure 2 do?
the l1m long vertical copper tube of inner diameter di20mm and wall thickness t2mm contains liquid water at twater0
Determine the factor of safety against net section yield in the presence of the crack and determine the factor of safety against brittle fracture for the same conditions.
a proton and an electron form two corners of an equilateral triangle of side length 3.0 multiplied by 10-6 m. what is
a straight fin of rectangular profile has a thermal conductivity of 14 wm -oc thickness of 2.0 mm and length of 23 mm.
the rigid tank in the figure below has a volume of 60 l and initially contains a two-phase liquid vapor mixture of h20
When a total amount of 125,000 joules of heat is transferred to a piece of 5 kg alloy, its temperature changes from 25 C to 60C, what is the specific heat capacity of this material?
refrigerant 410a is used for a heat pump. the temperature at the evaporator is -20f. the temperature at the exit of the
a rigid insulated tank that is initially evacuated is connected through a valve to a supply line that carries helium at
a cylinder made of astm a242 steel is 50cm in diameter and 250mm long and has a wall thickness of 24mm. a round bar of
you are swinging your younger sister in a circle of radius .9m. if her mass is 24kg and you arrange it so she makes one
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