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A mass of 0.25 kg of CO2 at a temperature of 300 K and pressure of 100 kPa is heated at constant pressure to a volume such at V2/V1=6. Assume constant specific heat ideal gas properties evaluated at 400 K. Find T2 in degrees K and heat transfer Q and the work W for this process in kJ.
two tubes are available for a particular application 1 4.0 cm diameter circular tube and 2 4.0 cm square tube. air at 1
a thermopane window consists of two pieces of glass k 0.78 wmk 7 mm thick that enclose an air space k 0.026 wmk 7 mm
air enters a turbine operating at steady state at 500 kpa 860 k and exits at 100 kpa. a temperature is 460 k. stray
a mass of 4.0 kg of r-134a at p1140 kpa and t1 20 cis contained in a gas tight frictionless piston cylinder device. the
a ball is tossed from an upper-story window of a building. the ball is given an initial velocity of 8.20 ms at an angle
block b moves downward with a constant velocity of 20 mms at t0 block a moving upward with a constant acceleration and
a compressor raises the pressure of 3kg of air gamma 1.4 adiabatically from 100kpa 288k to 450kpa. the electric motor
Consider a thermal energy reservoir at 1500 K that can supply heat at a rate of 150,000 kJ h-1. Determine the exergy of this supplied energy, assuming an environmental temperature of 25 oC.
the surface of a steel machine member is subjected to the stresses of sigma1100 mpa sigma220 mpa sigma3-80 mpa. what
a cylindrical specimen of some metal alloy having an elastic modulus of 108 gpa and an original cross-sectional
Design Problem - Piston and Flywheel : Analyze the motion of the crankshaft AB and flywheel for 0 ≤ θ ≤ 4Π (two complete rotations of the crankshaft, or all four cycles, beginning and ending at TDC), for different values of the four design paramete..
the composite shaft consists of three sections 1 a solid brass core 2 a middle steel tube and 3 an outer aluminum tube.
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