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An aircraft has been sold to a company that wishes to use it for delivering humanitarian supplies to areas of natural disaster. The seats will be removed and they want to add a cargo door above for access to where the passengers previously sat. What are the mechanical considerations and material options for such a new design aspect? Assume that there is only one aircraft to be modified. Select one from each list below:
A mechanical locking door frame on a Boeing 787 Dreamliner
an airplane is pressurized to 650 mmhg. The partial pressure of oxygen is 137 mmhg. If the partial pressure of oxygen drops below 100.mmhg.
if 69.5 kj of heat is applied to a 1040. g block of metal the temperature of the metal increases by 11.4degc. calculate
They provide an alternative path for protons to re-enter the mitochondrial matrix, so ATP synthesis decreases. Electron flow and proton pumping are not inhibited.
A 12.0 mL sample of a compound has a density of 1.44 g/mL. What is the weight of the sample in g?
An iron bar weighed 664 g. After the bar had been standing in moist air for a month, exactly one-eighth of the iron turned to rust (Fe2O3). Calculate the final mass of the iron bar and rust.
Below is a list of chemicals with their oral LD50 in mg/kg (rats). Select the substance that is MOST toxic to rats. DDT, 87 mg/kg malathion, 885 mg/kg carbaryl (sevin), 307 mg/kg parathion, 3 mg/kg
Find out which pKa value to use for glycine. To solve this problem, first set up a reaction table with a weak acid reacting with a strong base then utilized the Henderson-Hasselbalch equation to solve for the concentration of base (OH-).
Neglecting any effects caused by volume changes, would you expect the ionic strength to increase, decrease, or stay the same by the addition of NaOH to a dilute solution of
Why is this chemical on the Substance Priority List (SPL). What are the human health, toxicity, and exposure concerns. Site specific examples that put this chemical on the SPL
A volumetric pipet is labeled as 25mL. If it delivers a 24.844g of deionized water at 31 degrees Celsius, what is the calibrated volume of the pipet. What would be the mass of water delivered from this pipet if the water temperature was 15 degrees..
Show the cycle on a T-s diagram with respect to saturation lines, and determine (a) the thermal efficiency of the cycle and (b) the mass flow rate of the steam.
Talc is a mineral that has low conductivity for heat and electricity and that is not attacked by acid. It is used as talcum powder and face powder. A sample of talc weighs 35.97 g in air and 13.65 g in mineral oil (d = 1.75 g/cm3). What is the den..
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