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Steel pipe employed for oil drilling operations is made up of many segments joined sequentially and suspended in an oil well. Suppose the pipe used in one such application has an outer diameter of 7.5cm and an inner diameter of 5cm, a density of 7.90Mg/m 3 , and a yield strength of 900MPa. If the pipe is designed with a safety factor of two [i.e. the maximum stress in the field must be less than half the rated yield stress], what is the maximum depth that can be safely reached for drilling. Where does the maximum elastic strain occur in the pipe?
Saturated liquid water at 1.0 MPa is throttled adiabatically to a pressure of 0.4 MPa. If the change is kinetic energy is negligible, what percentage of the water evaporates during this throttling process?
Determine the maximum pressureallowed in the pipe at a location 10 m above the pipe exit if the flow is to be laminar.
Air at 400 kPa, 270 Kelvin, enters a well-insulated, horizontal pipe having a diameter of 2cm and exits at 90kPa, 200 Kelvin. Ideal gas model for air, determine at a steady state The inlet and exit velocities, in m/s
the room described in problem 8.1 gas a 1 m wude door with a 1 cm high slit at the floor level. THe oil spill has a rectagular area of sides 0.5 m by 0.5 m. (a) calculate the pressure increase, the air velocity, and the mass flow rate throug the sl..
A bar of monel metal (length L=9 in., diameter d=0.225 in.) is loaded axially by a tensile force P. If the bar elongates by 0.0195 in., what is the decrease in diameter d What is the magnitude of the load P
A low pass filter has a cut-off frequency of 5 kHz and a high pass filter has a cut-off frequency of 8 kHz. These two circuits are connected back to back in cascade to form an input-output system
The geometry of the rod assembly is given as a=2.8 m, b=0.950 m, c=1.00 m, and d=0.600 m. Neglect the weight of the rod. The journal bearing supports the rod in such a manner that it is free to rotate in the Z-direction.
A city near the epicenter of an earthquake sustains major damage to poorly constructed building, althought hospital and schools designed to resist dmage from ground motion sustsain only minor damage.
Briefly explain the difference between piezometer and tensiometer with respect to the working principle, special design consideration and limitation of the instrument.
Estimate the weight of concrete in a four-lane highway segment that begins as a 3% grade climb from 1000 feet altitude to 4000 feet and then a 6% downgrade to 2500 feet
A turbine located 225 m below the water surface at intake, carries a flow of 3.5 m^3/s. The head loss in the pipeline leading to it is 10 m. Find the power (kW) delivered by the turbine if its efficiency is 92%.
The last segment of the triple jump tracxk and feild event is the jump, in which the athlete makes a final leap, landing in a sand filled pit. Assuming that the velcity of a 185 lb athlete just before landing is 30 ft/s at an angle of 35 degrees with..
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