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A mass of 2.4 kg of air at 150 Kpa absolute and 12 degrees Celsius is contained in gas tight, frictionless piston cylinder device. The air now compressed to a final pressure of 600kPa abs. During the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the .ork input during this process. R(air)=287j/KgK
Air enters an adiabatic duct of L/D = 40 at V1 = 170 m/s and T1 = 300 K. The flow at the exit is choked. What is the average friction factor in the duct?
Using MATLAB Simulink, set up the negative feedback system of and find the value of the gain
a hot dog can be considered to be a cylinder 12 cm long and 2 cm in diameter whose properties are rho 980 kgm3 cp 3.9
how long will it take the puck to slow down to a speed of 1m/s and how long will it take for the puck to stop completely? How far will the puck travel before it slows to 1m/s? You can assume the table is very very long.
Gear A rotates with an angular velocity of 100 rpm clockwise. Knowing that the angular velocity of arm AB is 50 rpm counterclockwise, determine the corresponding angular velocity of gear B.
Calculate the steady state excess electron and hole concentrations as a function of distance into the semiconductor.
a shaft is made of a steel alloy having an allowable shear stress of 12 ksi. If the diameter of the shaft is 1.5 in., determine the maximum torque T that can be transmitted. What would be the maximum torque T' if a 1 in. diameter hole is bored thr..
Design of absorption column and the cooler. Process design of other units should be completed along with pipe sizes.
a 1.5 ton crate is hoisted by three steel wires. Each wire is 1/4 in in diameter and each wire carries one-thired of the load. Determine the stress in each of the wires.
a 100 pound ball is suspended from a wall by a rope that is pulled asided by a horizontal rope B and held so that rope A makes a angle of 30 degrees with the vertical wall. Find the tension in ropes A and B?
Determine the natural frequencies of the system. For the baseline system I get natural frequencies at the following engine speeds: 435, 2026, 2818, 5225, 7093, 10245, and 12153 rpm.
Determine the angle theta degrees that requires the minimum torque T to keep the seam closed. (Hint: use Mohr's circle). Give the answer in degrees.
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