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A car engine with a thermal eff. of 33% drives the air-conditioner unit besides powering the car and other auxiliary equipment. On a hot (35 degree C) summer day, the air conditioner takes outside air in and cools it to 5 degree C, sending it into a duct using 2 kW of power input. It is assumed to be half as good as a Carnot refrigeration unit. Find the rate of fuel (kW) being burned just to drive the air conditioner and its COP. Find the flow rate of cold air the air conditioner can provide.
Determine the velocity of the airplane required for pilot to experience weightlessness at the top of the circular path.
A steel tape is used to measure a distance of 20 m at a 10 0C. Assuming that the tape will measure the true distance when the temperature is 20 0C. What would be the indicated distance at 10 0C? What would be the indicated distance at 400C?
Steam at 1000kPa and 300deg C expands to a pressure of 150kPa in a cylinder. If PV = constant during the process, calculate W, Q and delta S for the process.
a rigid chamber contains 100 kg of water at 500 kpa 100 c. a paddle wheel stirs the water at 1000 rpm with a torque of
there is truss that is an upsidown triangle with two twenty degree angles and is hooked up to four members with pin
If the instrument weighs 85N, find the necessary static deflection of the isolator.
a specimen of aluminum having a rectangular cross section 9.7 mm times 12.4 mm0.3819 in. times 0.4882 in. is pulled in
an aluminum cube initially at 400oc with a dimension of 2 cm on each side is cooled using 30oc air with a convection
Use Psychrometric chart to determine Latent portion
rollins corporation is estimating its wacc. its target capital structure is 20 percent debt 20 percent preferred stock
a turning operation calls for a single pass on a 3 diameter part down to 2.800 on a lathe using a hss high speed steel
when is it necessary to use gnl over linear? what is the difference in formulation between gnl and linear? what is
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