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A 4-ft concrete post is reinforced with four steel bars, each with a 3/4 in. diameter. Knowing that E of steel= 29x10^6 psi and Eof concrete= 3.6x10^6 psi, determine the normal stress in the steel and in the concrete when a 150-kip axial centric force P is applied to the post.
the a-36 steel axle is made from tubes ab and cd and a solid section bc. it is supported on smooth bearings that allow
a device with an inlet cross-sectional area of 1 ft2 receives oxygen flowing at m0.2 with pt100 psia and tt1000 ordmr.
the drinking water needs of a residential hall with 20 students is to be met by a bubbler type water fountain. the
air enters a compressor at 179 kpa and 290 k and exits at a temperature of 500.9 k. determine the power kw for the
An Industrial water shutoff valve is designed to operate with 30lbs of force and will encounter 200lbs of resistance force applied to a 1.5in diameter axle. What is the required actual mechanical advantage of the system?
a cylindrical specimen of an aluminum alloy has a youngs modulus of 59gpa original length of 250mm length at fracture
an inventor claims to have devised a refrigeration cycle that at steady state requires a net power of .8 hp to remove
what four processes make up the ideal otto cycle? what is happening in an actual engine during the real processes that
a piston with a mass of 500 kg is being held in place by 0.5 kg of oxygen in a circular cylinder of diameter of 50 cm.
refrigerant 134a undergoes a constant pressure process from saturated vapor at -18.8degc to a final temperature of
determine the specific volume of superheated water vapor at 15mpa and 350oc using a the ideal gas equation b the
the following linear failure envelopes for a rock mass are givenintact rockfriction angle 350cohesion 900 psitension
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