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a super tanker is 360m long and has a width of 70m and draft of 25m. assuming that the drag is mainly due to the skin friction at the bottom and side faces and that the boundary layer develops naturally,determine the force and the power required to overcome the skin friction.the ship is travelling in sea water(density1020kg/m^3) and at a speed of 24km/hr
Carry out a sensitivity analysis on the adipic acid project described in Example 9.5. Investigate the sensitivity of the 10-year NPV to variation in total fixed capital (-20% to +50%), annual gross profit (-20% to +30%), and project construction s..
The hydrogen produced was successfully vented and no chemical explosion occurred. If 1.00 103 kg of Zr reacts, what mass of H2 is produced? What volume of H2 at 1.0 atm and 1000.°C is produced?
1name the five classes of fire and give an example of each. describe how an extinguishing agent controls each class of
Estimate the molar ratio of hydrogen to carbon monoxide in the synthesis gas if the feed consists of an equimolar mixture of steam and methane.
A loaded semi-truck consumes about 10 US gallons of diesel per hour (assuming an average speed of 60 mph) and is driven about 16 hours per day, every day of the year. The density of diesel id 0.85 kg/liter. If 1 barrel of crude oil produces 10..
An ammonia air mixture containing 2 % by volume ammonia is be scrubbed with water at 20 oc in a tower packed with 1.27 cm Raschig rings.
What is the settling velocity in still air of a particle that is 40 µm in diameter and spherical? The particle has a density of 1400 Kg/m3. Use a density of 1.2 Kg/m3 and a viscosity
In a wood chemistry/wood physics lab, we were asked to place a piece of wood that contained approx. 64% moisture content in a hydraulic press where we applied a constant 400 psi pressure and applied a constant 400 degrees F of heat. We inserted a ..
A 30 mol% feed of benzene in toluene is to be distilled in a batch operation. A product having an average composition of 45 mol% benzene is to be produced. Calculate the amount of residue, assuming α = 2.5 and W0 = 100.
Which of the following solutions of strong electrolytes contains the largest number of moles of chloride ions: 100.0 mL of 0.30 M AlCl3, 50.0 mL of 0.60 M MgCl2, or 200.0 mL of 0.40 M NaCl?
What is a Recycle reactor?In some reaction system, it is advantageous to divide the product stream and a partreturned to reactor as recycle to increase the conversion rate. These reactors are calledrecycle reactors.
describe the principles of a vapour adsorption refrigeration system and compare this to a vapour recompression system.
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