What must be the length of the bar
A 20 mm diameter steel bar is to be used as a torsion spring. If the torsional stress in the bar is not to exceed 100 MPa when one end is twisted through an angle of 15degree, what must be the length of the bar?
Expected delivery within 24 Hoursrs
If the turbine power putputs is 20 MW and the thermal loss from the turbine to the ambien can be ignored, determine the mass flow rate (Kg/s) through the turbine.
Determine a) the heat transfer into the cycle; b) the heat transfer from the cycle; c) the work for each of the processes; d) the cycle thermal efficiency.
Helium at atmospheric pressure and 30 °C flows across a square plate at a free stream velocity of 15 m/s. Calculate the boundary layer thickness at a position where Re = 250,000.
What is the work produced (kJ/kg) during the expansion process? Calculate the magnitude (kJ/kg) and direction of the heat transfer during the expansion process.
Two points B and C lie on radial line of a rotating disk. The points are 2 inches apart. VB=700 ft/min and VC=880ft/min. Find the radius of rotation for each of these points.
Find the power curve for the turbine. Illustrate the power curve together with one for which Cp always equals Cp,max (until reaching rated wind speed).
A 6.44 kg steel ball is at a height of 8.12 meters above the floor, traveling at a velocity of 4.69 m/s, and has an internal energy of 1.86 kJ. Determine the energy (E) of the ball in kilojoules.
Determine the speed of the cam and use the motion equations and a spreadsheet to plot a displacement diagram of the follower.
Determine the dynamic viscosity of flow if the pressure drop of a fluid running with a flow rate of 880 mm^3/s through a pipe 1m in length with diameter of 0.5mm is 1MPa.
Saturated water vapor at 200 kPa is in a constant pressure piston cylinder. At this state the piston is 0.1 m from the cylinder bottom. How much is this distance and the temperature if the water is cooled to occupy half the original volume?
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!