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The brass tube AB (E=105 GPa) has a cross-sectional area of 140 mm^2 and is fitted with a plug at A. The tube is attached at B to a rigid plate that is itself attached at C to the bottom of an aluminum cylinder (E= 72 GPa) with a cross-sectional area of 250 mm^2. The cylinder is then hung from a support at D. In order to close the cylinder, the plug must move down through 1 mm. Determine the force P that must be applied toi the cylinder.
A streamlined, high-speed train travels at 200 km/hr. The flow over the train is similar to flow over a flat plate. Estimate the boundary layer thickness at the end of the train, which is 125 m long. The temperature is 10°C.
Estimate C and of the rock mass and estimate the uniaxial compressive and tensile strengths of the rock mass
Vehicles arrive at a freeway on-ramp meter at a constant rate of six per minute starting at 6:00A.M. Service begins at 6:00A.M. such that u(t)=2+0.5t, where u(t) is in veh/min and t is in minutes after 6:00A.M.
Given that the gate is 3 m wide and will just start to open when water height reaches 6 m, determine the weight of the gate.
For each of the following, draw both the p - v and the T - v diagrams showing the location of the state and write below the diagrams a) what the condition the H2O is in (eg. Superheated vapor), b) which table in the back of the text provides the e..
What is the concentration of tracer in the reactor 1 h after tracer addition is terminated? The reactor had an initial concentration of tracer of 1.0 mg/L when tracer addition commenced.
A Waste water has been characterized for nitrogen-containing compounds and the TN was 26 mg N/L, the TKN was 14 mg N/L and nitrate was 27.3 mg NO3-/L. What is the potential theoretical oxygen demand (mg O2/L) associated
The center 0 of the wheel is mounted on the sliding block, which has an acceleration of a0= 8 m/s2 to the right. At the instant when theta=45 degrees, theta dot is = 3 rad/s and theta double dot is = -8 rad/s2.
A solid steel shaft of circular cross section and diameter 6 inches in pure torsion under torque. If E=30x10^6 pse and max shear stress is 30 ksi, calculate the torque. If the shaft was hollow, with an innner diameter of 2 inches and outer diameter..
A gas containing 80% CH4 and 20% (by mole) He is sent through a quartz diffusion tube to recover the He. 20% by weight of the original gas is recovered and its composition is 50% He.
A rectangular channel has a bottomwidth = b and flow depth = y. Prove that for a given area, the mostefficient rectangular cross section is one with y = b/2.
Consider friction loss in teh 225-ft-long discharge pipe, but neglect other losses. Then, redesign the system by using a larger pipe size to reduce the energy loss and reduce power required to no more than 5.0 hp.
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