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air enters the evaporator at 147 psia and 90 f with a volumetric flow rate of 200 ft3min refrigerant 134a at 20 psia
consider a cylindrical specimen of a steel alloy 80 mm 03150 in in diameter and 89 mm 3504 in long that is pulled in
1 you are assigned to design a heating system for a swimming pool that is 2 m deep 20 m long and 20 m wide the client
1 air at 25degc and 1 atm is flowing over a long flat plate with a velocity of 8 ms determine the distance from the
a high-speed boat is powered by a water jet pump engine similar to a jet engine on airplanes the engine takes in water
a rectangular material sample 2 in tall and 1 in wide is subjected to a vertical tensile stress of 50000 psi on its
a researcher working on a batch of a ceramic material tested two sets of samples for fracture strength for one set of
an octave is defined as a doubling of the frequency the claim is made that a low-pass butterworth filter of order n has
a voltage signal is produced by a transducernbsp the signal contains its strongest frequency component at 50 hz
a large plastic casting with thermal diffusivity 60 x107 m2 s is removed from its mold at a uniform temperature of 150
a your classroom is held at an air temperature of 20 degrees celsius when the outside temperature is 30 degrees celsius
a centrifugal fan equipped with damper control has the damper wide open at full flow the damper is partly closed to
assuming a 20 mw simple cycle gas turbine with a firing temperature of 1600k develop an analysis of a combined cycle
during a test of a metal bar it was found that a axial tensile force of 10000 lbs resulted in an elongation of 0023 in
create a matlab program not excel which allows you to vary the geometric parameters rb bottom radius of ask rt top
find the false statement regarding hardness testinga hardness measurements are dependent on the probe geometryb
consider a state of plane stress with principal stresses of 14mpa and -6mpa the normal stress in the x-direction is
a metal plate k 180 wmk p 2800 kgm3 cp 880 jkgk with a thickness of 1 cm is being cooled by air at 5 degrees c with
1-kg water in a frictionless piston-cylinder device is initially at 250 degrees celsius and 300 kpa state1 a total of
express the bernoulli equation in terms of pressure head and energy in english units then in si units with the
a well-insulated vessel is separated into two compartments by a partition compartment a contains 2 kg of water at 200c
you are to conduct a tensile test on a metallic specimen that will be cut from a bronze casting however the largest
a new fire resistant insulation is to be tested a specimen of the insulation is placed in front of a test furnace the
a frictionless piston-cylinder device contains 2 kg of air at 100 kpa and 300 k state 1 air is now compressed until it
a piston cylinder device initially contains compressed liquid water at 20degreesc and 200kpa it is heated in an