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A four cylinder two stroke Diesel engine has a cut-off ratio of 1.8 and a compression ratio of 22. It operates with an idealized Diesel cycle. At the beginning of the compression stroke, the air in the engine is at 97 kPa pressure and a temperature of 70°C. If the cold-air assumptions can be applied, determine how much power the engine produces when running at 2300 rpm.
a Steel ally to be used for a spring application must have a modulus of resilience of at least 2.07 MPa. What must be the metal's minimum yield strength.
Assuming the pulley is a uniform disk with a mass of 0.31 {rm kg}, find the speed of the block after it has fallen through a height of 0.50 {rm m}.
a 12 ft by 12 ft square room has one exterior wall with a surface temperature of 58f and three interior wall surface
when the discharge upstream is suddenly increased to 70 cfs/ft. What is the speed and height of the surge wave
a hydraulic system has a mechanical advantage of 4. If a smaller piston has a diameter of 5 inches what is the diameter of the larger piston?
The desire is to raise the temperature of the ambient air from 60 degree F to 350 degrees F ---- I need to calculate the amount of steam energy in BTU's per minutes and lbs of steam per minute necessary to accomplish the increase in air temperatur..
an ideal carnot heat engine has an efficiency of 40. if the high temperature is raised 15 what is the new efficiency
For the pendulum shown in the figure,the restoring torque due to gravity is given by T=mgLsin(thita). Derive the linearised equation about the operation point thita=0.
consider an ideal vapor-compression refrigeration cycle. the refrigerator employs refrigerant 134a as the working fluid
Draw the front view and right view and the down-view.
a small mechanical part in a complicated machine moves such that its position relative to a fixed frame of reference is
a 3-lb collar can slide on a horizontal rod which is free to rotate about a vertical shaft. the collar is intially held
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