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Assuming a theoretical efficiency of 32 percent and a steam inlet temperature of 290 degrees C, calculate the effective outlet temperature.
when theta=2pi/3 , the angular velocity and angular acceleration of the circular plate are theta dot= 1.7 rad/sec. Determine the magnitude of the velocity of the rod AB at this instant.
Determine the magnitude of the velocity of the peg P at this instant. Determine the magnitude of the acceleration of the peg P at this instant.
What is the present worth of the vaccines if there are 10 million beneficiaries in year 1 and an additional 15% each year through year 5? Use an interest rate of 8% per year.
What was the present worth of SWA's savings per gallon if the interest rate was 10% per year? And can you please tell me how you get the answer?
How long will it take for the concentration of nickel to reach 0.1wt%, 1.0mm below the interface? What does the comparison of the two answers show?
Incompressible fluid flows though a curved duct that turns the flow 180 degrees. Write an expression for the horizontal force Fx on the walls of the duct in terms of the variables density
A linear spring whose spring constant is 10 kN/cm is extended 0.0702 m from its free length in 2.63 seconds. What is the final load acting on this spring?
Determine how long it will take to vaporize all the liquid in the tank. Also, show the process on a T-v diagram with respect to the saturation curve.
How much power is delivered to the conditioning equipment buss bar? How much power is delivered to the customer meter? How much power is delivered by the customer equipment?
What is his velocity when he lands on the ground? This velocity is referred to as the terminal velocity, which is found by letting the time of fall approach infinity.
If it is subjected to two fields of force for which F(x) = F(0) and F(y) = 0.3F(0), where F(0) is constant, determine the equation of the path, and the speed of the electron at any time t.
Determine the point where it strikes the ground at C and how long does it take to go from A to C if the suitcase has a initial velocity down the ramp of vA = 10 ft/s and the coefficient of kinetic f
Calculate the compressibility factor for each case and compare to the compressibility factor determined from the compressibility chart. Comment on your findings.
If 2500 balls are to be annealed per hour, determine the total rate of heat transfer from the balls to the ambient air (kJ/hour).
The velocity and acceleration of a particle are given for a certain instant by v = (7.3i - 9.3j + 9.1k) m/s and a = (6.3i - 5.8j - 2.1k) m/s2.
The activation energy of hydrogen in steel is 3.6K cal/mol. Should we worry about hydrogen embrittlement of steels (is is very likely to occur)? Explain
Determine the maximum allowable surface crack length if the surface energy of polystyrene is 0.50 J/m^2. Use a modulus of elasticity of 3.0 GPa.
Assuming that nobody knows about the leak? What is the actual (correct) atmospheric pressure in kPa? Calculate the percentage error due to the air that leaked into the barometer.
Part of the plate is machined to a width of 0.50 in using a milling cutter having a diameter of 0.200 in. Compute the maximum stress in the plate when an axial tensile force of 1800 lb is applied.
Determine the stresses in the cables and the deflections of points B, C, and D if (a) beam ABCD is considered to be rigid, and (b) beam ABCD has a second-area moment of I = 8x105 mm4.
The double inclined plane supports two blocks A and B, each having a weight of 10 lb. If the coefficient of kinetic friction between the blocks and the plane is 0.1, determine the acceleration of ea
The average atmospheric pressure in Denver (elevation 1610 m) is 83:4 kPa. Determine the temperature at which water boils in Denver. Sketch by hand and use the vapor pressure curve.
The tank is now cooled until the pressure is 25 psia. What is the final temperature of the air in degrees Fahrenheit °F?
If the coefficient of kinetic friction between the blocks and the plane is us=0.1, determine the acceleration of each block.