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Air undergoes an isentropic process from P_1 = 100 kPA and T_1 = 300 K to a final state where the temperature is 700 K. Assuming an ideal gas, find P_2 in kPa using both the ideal gas tables and assuming a constant specific heat ratio at the average temperature
A water brake is used to measure the power output of an engine, ?W . The water mass flow rate through the brake is m? = 7 kg s?1. Water temperatures at the brake inlet and outlet are T1 = 290K and T2 = 305K, respectively. The heat loss from the engin..
l electrical radiator containing heating oil is placed in a 50-m3 room. both the room and the oil in the radiator are
An air conditioner in the airport of Timbuktu runs a cooling system using R-410a with a high pressure of 1500 kPa and a low pressure of 200 kPa. It should cool the desert air at 45 degrees C down to 15 degrees C. Find the cycle COP. Will the syste..
the friction force acting at the chip-tool interface the main (tengential ) cutting force is 1500N . Find the orthogonal rake angle of the cutting tool?
Find the input/output equation using the P-operator approach when x2 is the output.
an auditorium has to be air-conditioned first by cooling and dehumidifying and then heating for summer when the outdoor
saturated water vapor at 200 kpa is in a constant pressure piston cylinder. at this state the piston is 0.1 m from the
consider a homogenous spherical radioactive material of radius ro 0.075 m that is generating heat at a constant rate of
a 1cm x 2cm semiconductor dissipates 5w and is mounted on a 2cm square 2mm thick aluminum plate. an 0.1mm thick diamond
A plane is doing a parabolic weightless flight to train astronauts. The plane gets up enough speed to shut off it's engine when it gets on a arc with radius of 1 km and glide to the top of the semicircle, where the gravity must be zero. What must the..
the inside surface of an 8-in-thick common brick wall is maintained at 100 f. thermal conductivity of th brick is 1.0
the inner and outer surfaces of a 0.5 cm thick x 2.0 m x 2.0 m window glass in winter are 12degc and 4degc
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