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2.4 lbs of water vapor with an initial volume of 7.28 ft^3 is compressed at a constant pressure of 287lbf/in^2 to a saturated vapor state.
If the steel rods have a diameter of 40mm and length of 2m, determine their average temperature when they are taken out of the water bath.
A closed rigid tank of 3000 kg of water starts as a saturated liquid at 160C and it is heated to a final state consisting of a pressure of 2 Mpa. Determine the volume and the final temperature.
Find the factor of safety to ensure infinite life using the modified Goodman line i.e. Assume the Ultimate tensile strength is 450 Mpa and the Yield Strength is 380 MPa.
A force of 100 N is applied at the mid-point of CD@ angle of 180o. Find the required input torque on link AB for static equilibrium of the mechanism.
Determine a) the rate of power generation for average wind speed conditions on the north Texas plains b) the profit generated in 30 days of operation
Due to unintentional puncture through the tank, the gas starts to leak. Derive an expression for the tank temperature at any time during the leaking process.
A semi elliptical leaf spring is used for the suspension of the rear axle of a truck determine intial preload requried to close the gap and deflction of the spring.
Calculate the the maximum length on the small diameter of a shaft that is supported by a bearing at each end with a point load in the centre of the shaft based on fatigue loading between two power l
Air is at 70°C and 97 kPa at the beginning of the compression process. Using the cold-air standard assumptions, determine how much power the engine will deliver at 2300 rpm.
Calculate the stream function & velocity potential. Using your results, show that lines of constant (phi) are perpendicular to lines of constant psi.
What is the air temperature when the pressure reaches 5 bar and when the liquid has been drained completely?
The main shaft of a particular machine is to continuously transmit 25.0 ft-lbs of torque. Determine the safety factor against fatigue failure for the specified life.
Calculate the initial stress for each assembly. Which of the two assembly configurations (a=Left bar short, b=Right bar short) would you recommend?
Determine the horizontal distance traveled by the woman with respect to the ground when she reaches the bottom of the slide.
Calculate the air temperature when the pressure reaches 5 bar, and when the liquid has been drained completely.
The beam carries a uniform load of 6.5kN/m along the entire length and, in the same direction, a concentrated force of 4kN at the free end. Determine the max bending stress.
An air plane with constant altitude and velocity is being detected by a radar. The line of ground, and the rate of change of θ, θ'. In terms of θ, θ', D, find the velocity of t
Determine the boundary work for each process and the net work of the cycle. Sketch the processes and states on both P-v and T-v diagrams.
A piston-cylinder device contains 4.53 kg of refrigerant-134a at 1200 kPa and 60 °C. Determine the amount of heat loss and show the process on a T-v diagram with respect to saturation lines.
Expressing variation of pressure with depth z as dP= density * gravity * dz determine the density and pressure at a depth of 2500m. Disregard the effect of temperature.
Determine the maximum diameter of a steel ball that would float on water at 20oC. What would be your answer for an aluminum ball?
Determine (a) the final pressure, (b) the change in the volume of the cylinder, and (c) the change in the enthalpy of the refrigerant-134a.
If this flowing blood were then to enter a region of stenosis where the diameter of the aorta was only .5 cm, what wold the approximate pressure in this narrowed region be?
Determine the velocity of water with respect to the blade at the point where cavitation occurs, assuming that cavitation occurs when the local pressure falls to the vapour pressure.