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Air cools an electronics compartment by entering at 60 F and leaving at 105 F. The pressure is essentially constant at 14.7 psia. Determine (a) the change in internal energy of the air as it flows through the compartment and (b) the change in specific volume. Also provide a sketch of the system and any formulas you may use. #question..
If the curve were not banked, what would be the minimum coefficient of friction between tires and road that would keep traffic from skidding out of the turn when traveling at 85 km/h?
The effect on temperature and density of air under adiabatic compression, Air is going through a compressor
steam is expanded in an adiabatic turbine from 3 mpa and 400 c to 30 kpa. the turbine generates 4947kw of power when
a 115-v shunt motor develops 21 ib-ft when the armature current is 12 a. as the load on the motor is increased the
a 850-kg meteoroid happens to be composed of aluminum. when it is far from the earth its temperature is -13.5 degc and
Steam at 10bar and 0.95 dry flows at 130 m/sec in a pipe. It is throttled to 8 bar and the flow rate is 12 kg/sec. Assuming velocity in the pipe on the down stream side of the valve is 160 m/sec. Find the final condition of steam and the pipe diam..
a gas in an insulated tank is separated from an evacuated region by a membrane. the membrane is removed and the gas is
A triangular field with vertices OPQ has sides OP equal 402 m, PQ equal 388 m, and QO equal 254 m . find perpendicular distance from the vertex P to the opposite side.
a tungsten wire 0.005mm in dia and 2 mm in length is placed horizontal in stagnant air. if we need to maintain the wire
a solid cylinder 100 mm in diameter generates heat at a uniform rate of 7 x 106 wm3. the thermal conductivity of the
a large coal fired power plant has an efficiency of 45 and produces net 1500 mw of electricity. coal releases 25000
water density 1000 kgm3 flowing in a horizontal 25 cm diameter pipe at 8 ms and 300 kpa gauge enters a 90 degree
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