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1. We want to produce 10 lbs. of a continuous unidirectional fiber-reinforced composite of HS carbon in a polyimide matrix that has a modulus of elasticity of at least 25 × 106 psi parallel to the fibers. How many pounds of fibers are required?
2. We produce a continuous unidirectionally reinforced composite containing 60 vol% HM carbon fibers in an epoxy matrix. The epoxy has a tensile strength of 15,000 psi. What fraction of the applied force is carried by the fibers?
Find Stall Speed (KEAS) at 1 G, 0 deg AOB and find Stall Speed (KEAS), level flight 70 deg AOB (2.9 G)
1. (a) A sine wave at frequency f= 90 Hz is sampled digitally at sampling frequencies fs=200,160 and 50 Hz respectively. For each case, discuss whether there is aliasing. Also for each case, calculate the aliasing (perceived) frequency.(b) Using EXCE..
Find the expected flow rate, the required pump power, ΔT of the water after one loop cycle and Write down the appropriate N-S equations and boundary conditions
heat is added to a piston-cylinder device that initially contains 2 kg of water at 300 degc and a quality of 0.3. the
describe in an itemized list or flowchart the steps to solution to determine the probability of yielding if both the
an electric moter drivers an axial fan assuming that the desired air velocity 65degree f existing the fan is 50mph and
What are the design implications for the location and positioning of solar cells? Explain why the use of solar cells might be more appropriate in some regions of the country.
What is the maximum allowable pressure if a factor of safety of 4 is to be used and what pressure would a strain of 40 pc indicate?
A pipe system carries a steam-water mixture at 250 psi, 95% quality. A leak develops in the pipe allowing the fluid to escape to the building which is at atmospheric pressure. Treating the leak as a throttling process, find the state of the escaping ..
A vertical piston- cylinder assembly contains 0.6 kg of air (K=1.4, R= 287J/Kg.K) initially at 110 KPa and 27 C (state 1). The air is first compressed isentropic ally to a temperature of 117 C ( state 2) which is followed by a constant pressure expan..
what is the Martianacceleration of gravity
One of the Wright Brothers' contributions to the development of flight dealt with the design of the propeller. Research what the contribution was and how it was (and is) applies
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