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Two torsional springs, M = ku, are used to assist in opening and closing the hood of this truck. Assuming the springs are uncoiled (u = 0°) when the hood is opened, determine the stiffness k (N # m>rad) of each spring so that the hood can easily be lifted, i.e., practically no force applied to it, when it is closed in the unlocked position. Use appropriate numerical values to explain your result.
5 bolts are made of low carbon steel with a yield point in shear of 19200 psi. the bolts are 38 inch in diameter and
piston having a diameter of 5.48 inches and a length of 9.50 in slides downward with a velocity v through a vertical
Reheat, where high pressure and low pressure turbines are used, is added to a simple steam cycle to increase the steam quality at the location where the steam exits the low pressure turbine and goes to the condenser.
Dry air is contained in a tank wit fixed volume at 200oC and a pressure of 5 bar. Then the fluid is heated so that its temperature reaches up to 300oC. If the volume of the tank is 0.2 m3, find the transferred heat and final pressure and the change i..
Two-tenths of a pound of air at 2 atm and 540 degrees R is trapped within a syringe by a plunger at one end and a stopcock at the other, a shown in Fig. P4.103. The stopcock is opened and the plunger moved to inject the trapped air into a container t..
in kidney dialysis a persons blood is passed through a bath that contains several ions and molecules. the blood is
consider a heat engine executed using a flow rate of 0.03 kgs of refrigerant-134. the engine operates between two
question 1approximate the torque and power necessary to rotate the inner 20 cm diameter cylinder shown in figure 1. sae
Compute the pressure at the base of the tank? Show your work. Compute the force on one of the walls exerted by the air, gasoline and water. Show your work.
water is to be pumped from a dam to a storage tank 20 m above at a rate of 70 ls. the electric power needed to achieve
A spring-loaded piston-cylinder device is initially filled with 0.13 lbm of an R-134a liquid-vapor mixture whose temperature is ?30°F and whose quality is 80 percent. The spring constant in the spring force relation F = kx is 37 lbf/in, and the pisto..
assume that the amount of heat generated in the furnace above was used to heat helium to 600oc. an engine operating in
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