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The cylinder on an engine has a stroke of 300 mm and a bore of 250 mm. The volume ratio of compression is 14:1. Air in the cylinder at the beginning of compression has a pressure of 96 kPa and a temperature of 93o C. The air is compressed for the full stroke according to the law pv1.3 = C. Determine:
(a) The mass of air in the cylinder(b) The work transfer(c) The heat transfer(d) The Temperature and pressure at the end of compression. (For air take =1.4 and Cp= 1.006 kJ/kgK)(e) After doing the above calculations briefly state you expect the mass flow rate of air to be if this was a 4 stroke 6 cylinder engine running at 3000 rpm. What would happen if the air filter was partially choked. If the piston rings were leaking state what you would expect the results of a, b, c, and d above would be.
A satellite has been placed in a circular, sun-synchronous orbit at an altitude of 1300.0 km. The satellite has a mass of 5,000.0 kg. What is the K.E. of the satellite?
Given that an activity's normal time and cost are 10 days and $400 and its crash time and cost are 5 days and $800, what is the activity's slope?
Sketch the T-s diagram for the cycle (put labels and appropriate information)
The die characteristic is Q_x = 0.0015p where p is the head pressure in psi. Determine the flight angle that maximizes the flow rate Q_x and graph it.
Find the shaft ID needed to obtain a maximum deflection at the center of 3 mm if the shaft OD is 22 cm. Assume the shaft to be the same length between supports as the length of the paper roll.
Determine the force in member BC. After the truss is sectioned use a single equation of equilibrium for the calculation of each force. State if these member is in tension or compression. Take F1 = 2 kN , F2 = F3 = 3.8kN , F4 = 5 kN, F5 = 3 kN.
Consider a 4-in square steel bar subjected to transverse biaxial tensile stresses of 20 ksi in the x direction and 10 ksi in the y direction.
A piston-cylinder device initially contains 50L of liquid water at 40 degrees C and 200kPa. Heat is transferred to the water at constant pressure until entire liquid is vaporized.
Hydrostatic relation, An empirical formula relating pressure and density for seawater w/ temperature held constant is
Determine the acceleration of the cabinet when sA = 40 ft. Note that when sB = 0, sA = 0 (points A and B are coincident).
For the process where q= 62.5 kj/kg and wkcs= 60 kj/kg determine the energy change if the system mass is 2 kg.
What is the acceleration of the aircraft (in m/s2)? How long does it take the aircraft to reach its take-off speed?
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