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Air enters a pipe at 25 Celsius, 100 kPa at a flow rate of 36 m3/hr. A heater on the outside of the pipe draws 8 amps at a voltage of 120 V. All the heat from the heater is transferred to the air (well insulated and wall t is small). Assuming that the air behaves as an ideal gas and ignoring KE and PE, (a) determine the mass flow rate of the air in kg/s and (b) the temperature of the air at the exit.
A wheel cart hooked with two springs is subjected to an impulsive dynamic force for the time duration of 0.5 seconds. Develop a Matlab script based on while loop to determine the response X for the first three seconds based on time increment 0.01. Pl..
A Steam-powered catapult on an aircraft carrier accelerates a 16000-kg aircraft from zero to 320 km/h in 2 seconds. Assume that the acceleration is constant. A) Determine the work done by the catapult on the aircraft. B) Determine the kinetic energy ..
air at 20 c 40 rh is mixed adiabatically with air at 40 c 40 rh in the ratio of 1 kg of the former to 2 kg of latter
Movement of stagnant air over a surface typically decreases the pressure that air exerts on the surface it was in contact with, and higher air velocities usually result in more significant pressure drops. This pressure drop from rapidly moving air ac..
Air is contained in a piston-cylinder assembly, initially at 40 lbf/in^2. And 600R the air expands in a poly tropic process with n=k=1.4 until the volume is doubled. Modeling the air as an ideal gas with constant specific heats,
a 14 mm diameter 50 mm long mild steel rod undergoes a stress test. a tensile force of 18800 n is applied and the rod
Block A has a mass of 3 kg and B has a mass of 5 kg. If the system is released from rest, determine the velocity of each block in t=4s. Neglect the mass of the pulleys.
consider a hot automotive engine which can be approximated as a 0.5-m-high 0.40-m-wide and 0.8-m-long rectangular
explain the tapping operation and the steps to follow peripheral milling is performed on the top surface of a
a large vessel had experienced an internal leak of a coolant. it was friday and the work crew needed to get the vessel
a brinell hardness measurement using a 10-mm diameter indenter and 300 kg load produced an indentation 1.5 mm in
two kilograms of zinc at 500c and 1 atmosphere is contained in a thermally insulated jacket. the system is compressed
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