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The throttle-control lever OA rotates in the range 0 <>() <>90°. An internal torsional return spring exerts a restoring moment about O given by M = K(() + 1r /4), where K = 500 N · mm /rad and () is in radians. Determine and plot as a function of () the tension T required to make the net moment about O zero. Use the two values d = 60 mm and d = 160 mm and comment on the relative design merits. The effects of the radius of the pulley at B are negligible.
a four cylinder four-stroke spark-ignition engine will be modeled with an ideal otto cycle. each cylinder is a heat
An adiabatic gas turbine expands air at 1,000kPa and 500C to 100kPa and 150C. Air enters the turbine through 0.200m^2 opening with an average velocity of 40 m/s and exhausts through a 0.910m^2 opening.
In the paragraphs that follow, answers are provided to a number of key questions about desogestrel-only pills. What is the desogestrel-only pill?
Calculate the ratio of final pressure to the intial pressure Calculate the final temperature Change in internal energy Calculate the molar specific heat capacity of the process.
A pressure drop of 200 kPa is measured over a 400-m length of 8-cm-diameter horizontal cast iron pipe that transports 20-C water. Determine the ?ow rate using (a) the Moody diagram and (b) an alternate equation.
given 1ks1s281s13s2s2100 0 a sketch the root locus bis there a value of k that will cause all roots to have a damping
for some transformation having kinetics that obey the avrami equation the parameter n is known to have a value of 1.1.
In air-conditioning systems, streams of cold and warm air are mixed to get air with the right temperature. Consider a mixing chamber into which cold air enters at 8 degree C and 100 kPa at a rate of 0.55 m3/s and warm air enters at 30 degree C and 10..
Air at 300 kPa, 63oC, and a velocity of 423 m/s enters an insulated duct of varying cross-sectional area. The air exits at 150 kPa, 88oC. At the inlet, the cross-sectional area is 6.57 cm^2.
what is the stress intensity factor ki at the tip of a 2-mm-deep longitudinal crack along a six-inch schedule 40 steel
It is desired to create a hydroelectric dam in South Carolina that will produce 1,000 kW of power. Knowing that the flow of the water through the dam can be 400 gal/s, what is minimum allowable height of the dam required to achieve the power goal?
during a break test the front wheel drive car is stopped from an initial speed of 60 mihr in 175 ft. if it known that
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