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1. What is a composite?
2. Why did Israelites reinforce clay with straw?
3. Give a brief historical review of composites.
4. Give four examples of naturally found composites. What are the constituents of these natural composites?
Express f(t) as a Fourier series expansion.
a piston-cylinder device containing argon gas undergoes an isothermal process at 100 c during which the pressure
it is found that ozone reaction in water nearly follows first-order kinetics in ozone concentration decreases by 50 in
showing the two upward pulls of the rings on his hands, each of size 380N. Calculate the angle between the wires supporting the rings and the vertical.
the load is supported by the four 304 stainless steel wires that are connected to the rigid members ab and dc.
For the following combinations, determine the temp drop through the wall (a) thickness 0.16m and k= 1.4, 15, 25, 45, 210 and 340 W/mK. (ii) Thickness 0.25m and k as above. Plot the temperature drop against the radio (L/k) and also (k/L).
A metal cylinder metal cylinder 120.0mm long and 15 mm in diameter is to have a tensile force of 15000N applied. Which of alluvium, copper, brass, nickel steel and titanium are good options if the metal cannot experience any plastic deformation?
Find the equivalent spring constant and equivalent mass of the system shown in Fig. 1.79 with references to ?. Assume that the bars AOB and CD are rigid with negligible mass.
Calculation of average pressure and upsetting force in forging and how to minimize barrelling effect - barrelling caused by friction can be minimized by applying an effective lubricant or ultrasonic vibration
What are the rules that must be kept in mind while designing castings?
calculate the cost per piece of a milling operation that is used to machine a pocket of 2x3x0.5 lxwxd. the material
a ship prototype is expected to travel at a speed of 15 ms in water. unfortunately there is no ability to test a 120th
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