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1.(ii) For each of the following stacking sequences found in FCC metals, cite the type of planar defect that exists:
(a) . . . A B C A B C B A C B A . . .
(b) . . . A B C A B C B C A B C . . .
Now, copy the stacking sequences and indicate the position(s) of planar defect(s) with a vertical dashed line.
2.Why is the anchorage capacity of a standard hook not increased by extending the bar well beyond the end of the hook?
3.What are the effects of hardness, hot strength and hot hardness and work hardening of work materials?
A 1.00 mol sample of an ideal gas (gamma = 1.40) is carried through the Carnot cycle. At point A, the pressure is 25.0 atm and the temperature is 600 K. At point C, the pressure is 1.00 atm and the temperature is 400 K.
A container ship carries 2000 units. It must be unloaded andre-loaded in a 48 hr turnaround. Two cranes are available. Find the rate that the trucks line up, load and pass under each crane.
The search light is rotating at a constant rate of 4 rad per second. Find the magnitude of the velocity and acceleration of the spot of light on the wall when the search light beam makes a 45 degree angle with the wall.
Using the DeHoff method, compute the change in internal energy when 12 liters of argon gas at 273 K and 1 atm is compressed to 6 liters with the final pressure equals to 10 atm. Assume argon behaves ideally and CV = 3/2·R.
The thickness of geonet is 0.2 inch (5 mm). Assume the maximum inflow rate is 0.14 inch/hour. The liquid head over the geomembrane liner is 2 inches. The index properties of the soil placed over the geotextile are as follows
A suspended solids analysis is run on a sample. The tare mass of the crucible and filter is 55.3520 g. A sample of 260 mL is then filtered and the residue dried to constant mass at 103 degrees C.
The bar is confined to move along the vertical and inclined planes. The velocity of the roller at A is Va=5.2 ft/s when theta=40 . a)Determine the bar's angular velocity when theta=40. b)Determine the velocity of roller when theta=40.
Determine the softening point of bitumen within the range 30 to 157°C by means of the Ring-and-Ball apparatus - discussion for softening point of bitumen 7.5oC
A 1.0 × 106 gallon reactor is used in a sewage-treatment plant. The influent biochemical oxygen demand (BOD) concentration is 100 mg/L, the effluent BOD concentration is 25 mg/L, and the flow rate through the reactor is 500 gal/min.
Conditions in the sewage pipe are Qs= 0.5 m^3/s, and Cs= 100mg/L. The pollutant is destroyed in the lake with a first-order rate constant of 0.2/d. The flow rate out of the lake is 5.0 m^3/s.
Calculate the total active earth force per foot of wall and its point of application from the base of the wall. Use Rankine theory. Calculate the total active earth force per foot of wall if the angle of wall friction between backfill and wall is 2..
The fill volume of cans filled by a certain machine is normally distributed with mean 12.05oz and standard deviation 0.03oz. a. What proportion of cans contain less than 12oz b. Of a 100 can sample, what is the probability that at least 97 of the can..
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