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How are the strength grades denoted for a glulam that is
a. Primarily a bending member fabricated with visually graded laminations?
b. Primarily a bending member fabricated with E-rated laminations?
c. Primarily an axial-load-carrying member?
d. What are the appearance grades of glulam members, and how do they affect the grading for strength?
To float a 160 pound man using helium balloons (assume 0.52 cubic feet per inflated balloon). How many balloons would it take? Assume density of air is 1.29 kg/cubic meter and the density of helium is 0.179 kg/cubic meter.
a. The linear acceleration of the mass. b. The angular acceleration of the wheel. c. The tension in the rope.
Calculate the true stress when the true strain is 0.05 cm/cm.
The instrument and reflector heights were both set at 1.50 m. Calculate geodetic distance A'B'. (Use an average radius for the Earth of 6,371,000 m.)
What is the concentration of NH3 (in mg/L) of household ammonia that contains 3.00 percent by wieght of NH3. Assume the density of water = 1000kg/m^3
A stockpile of highway crushed stone is shaped into a conical figure; the base has a diameter of 72 ft, and the height of the stockpile is 52.5 ft. Compute the volume (cu. yd) of stone in the stockpile.
If a new piece of equipment costs $40,000.00 to purchase and it has a benfit of $500 per day. How many days per year does the equipment need to be used in order to be worth purchasing (breaking even)? The lifetime of the equipment is 10 years and ass..
The cost of a 620 ft3/hr process unit is $920,000. From historical cost records, the capacity ratio exponent of a process unit is 0.5. Use the capacity ratios raised to an exponent method to determine the estimated cost of a similar process unit with..
If for parathion, the activation energy is 15.4 kcal/mole and A = 8.1 x 109 at a pH = 7.8, how many days will the fish hatchery have to contain the river water if T = 15 oC (winter time)
A 60 -m- long steel wire must not strech more than 48mm when the tension in the wire is 6 kn. Knowing that e-200GPa, determine (a)the smallestdiameter which may selected for the wire,(b)the corresponding value of the normal stress.
A simple truss with joint detail is shown at the left. determinethe required diameter of the pin at joint B if a factor of safetyof 1.8 with respect to shear yielding is required, and the pn is tobe made of steel having shering stress of 145 MPa
a 2000-mw electric generating station burns 278 tonnes of residual fuel oil per hour. the fuel contains 2.6 s and 1.2
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