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The Statfjord B drilling platform, was built in Norway and towed 370km in 5 days to its present site in the North Sea in August 1981. It is the heaviest object ever moved by man.Simplify the shape of the base and the 4 legs and estimate the minimum number of tugs needed to tow the structure at the required speed. The most powerful tugs can produce a thrust of approximately 2000kN,i.e.200tons. Take the density and kinematic viscosity of seawater as1025kg/m3 and1.5mm2/srespectively
A dye test reveals that the specific discharge between the two wells is about 2.75 m/day. if the wells are 45m apart, What type of aquifer material do you expect in this location
What is the TCE concentration in ppm if the tank is held at (a) 4 degrees C and (b) 35 degrees C (c) What is the TCE concentration in ppm if the tank is filled with hexane instead of water
A coal mine's entry and breakthrough centers are set at 60ft with 20ft-wide openings. The 6ft coal seam lies 1,000ft below the suface, and the specific gravity of the overburden is 2.4. If the compressive strength of 4in.
Electric power is expensive, piping were built long time ago, population has grown,demand exceeds supply of water. What is the best thing to do ?
Assuming unit surface area, find the conductive heat loss through the furnace wall and the temperature at the interface of the fire clay and red brick.
it is required to dewater a construction site 80 m by 80 m. the bottom of the construction will be 1.5 m below the
At the bottom of a loop in the vertical plane an airplane has a horizontal velocity of 315 mi/h and is speeding up at a rate of of 10ft/s^2. The radius of curvature of the loop is 1mi
Consider a simply supported beam with a uniformly distributed load q AND a concentrated load P at midspan. Solve for dv/dx and v using differential equations.
A contractor has both a 3-cy and a 5-cy shovel in the equipment fleet. Select the minimum-size shovel that will excavate 400,000 bcy of common earth in a minimum of 130 working days of 8 hr each.
A driver is travelling at 50 mi/h on a wet road. An object is spotted on the road 500 ft ahead and the driver is able to come to a complete stop just before hitting the object.
a mass of 2kilogram is projected with a speed of 3m/s.if a plane inclined 20 degrees with the horizontal.after travelling travelling 0.8meters, the mass comes to rest. determine the coefficient of friction and also the speed as the black returns t..
Annual maintenance cost for a particular section of highway pavement are $2000. The placement of a new surface would reduce the annual maintenance cost to $500 per year for the first 5 years and to $1000 per year for the next 5 years.
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