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Figure P4.53 shows a 1-in. solid round shaft supported by self-aligning bearings at A and B. Attached to the shaft are two chain sprockets that are loaded as shown. Treat this as a static loading problem, ignoring fatigue and stress concentration. Identify the specific shaft location subjected to the most severe state of stress, and make a Mohr circle representation of this stress state.
Helium at 800kPa, 600C enters a steady flow turbine and leaves at 100kPa. The helium undergoes an expansion process through the turbine, does work in the amount of 900kj/kg, and loses 50kj/kg of energy by heat transfer to the surroundings.
a closed rigid tank whose volume is 1.5 m3 contains refrigerant 134a initially a two phase lipuid-vapor mixture at 10c.
A dishwashing machine weighing 150 lb operates at 300 rpm. Find the minimum static deflection of an isolator that provides 60 percent isolation. Assume that the damping in the isolator is negligible.
a pipe in a manufacturing plant is transporting superheated vapor at a mass flow rate of 0.3 kgs. the pipe is 10 m long
What is differential levelling? list the procedure for carrying out a differential levelling exercise where one point is beyond the range of the instrement . 100 word limit
A simple gear train with spur gears that contains a pinion, an idler, and a gear utilized in order to transmit 10 hp using a train ratio of 4.5:1. The pinion has 14 teeth and the idler has 30 teeth. The input shaft operates at 2000 rpm. The pressure ..
what is the average normal stress in the tendon? If the largest safe stress for the tendon is 10 MPa, what is the largest suspended mass that can be supported?
Using Eg s = -79.0 eV for the ground state energy of helium, cal culate the ionization energy (the energy required to remove just one electron).
What is the minimum scale ratio of the model that will ensure that its minimum Weber number is 100? Both flows use water at 20°C
Air enters a frictionless duct with V1 = 70 m/s, T1 = 600 K, and P1 = 350 kPa. Letting the exit temperature T2 vary from 600 to 5000 K, evaluate the entropy change at intervals of 200 K, and plot the Rayleigh line on a T-s diagram.
It is 3.0 mm thick, 2.40 m long, and 2.40 m wide. In service it is subjected to a cyclic stress of ±700 MPa, which is not enough to cause yielding but does cause gradual crack growth of a preexisting crack normal to the loading direction at the ed..
Show that at room temperature ( T = 300 K) thermal stimulation dominates for frequencies well below 5 x 1012 Hz, whereas spontaneous emission dominates for frequencies well above 5 x 1012 Hz. Which mechanism dominates for visible light?
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