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Calculate the moments of inertia I1 and I2 of a W 16 ×100 wide-flange section using the cross-sectional dimensions given in Table E-l, Appendix E. (Disregard the cross-sectional areas of the fillets.) Also, calculate the corresponding radii of gyration r1 and r2, respectively.
what is ductile-to-brittle transition temperature? describe a method to determine ductile-to-brittle transition
Hydrostatic relation, An empirical formula relating pressure and density for seawater w/ temperature held constant is
1. A reversible refrigeration cycle operates between cold and hot reservoirs at temperatures TC and TH, respectively. (a) If the coefficient of performance is 3.5 and TH 5 808F, determine TC, in 8F.
a pressure transducer exhibits a temperature sensitivity of 0.05 units per degree celsius and a pressure sensitivity of
the potential energy term which describes the bonding between dissimilar ions in an ionic solid may be given as
A flat disk of outer radius b-125mm and inner radius a=25mm is shrink-fitted onto a shaft of radius 25.05mm. Both members are made of steel with E=200Gpa, v=0.3, and p=7.8 KN.s2/m4. Determine (a) the speed in rpm at which the interface pressure becom..
Two round, 3cm diameter bars are made of SAE 1030HR (hot-rolled) steel but are different lengths (15 cm and 60 cm, respectively). Compare the load supporting capability of the three bars if they are loaded in compression and the ends are assumed to b..
Refrigerant 134a enters a 28-cm diameter pipe steadily at 200 kPa and 20C with a velocity of 5 m/s. The refrigerant gains heat as it flows through the pipe and leaves the pipe at 180 kPa and 40 C.
An alternating copolymer is known to have a number-average molecular weight of 100000 g/mol and a degree of polymerization of 2210. If one of the repeat units is ethylene, which of styrene, propylene, tetrafluoroethylene, and vinyl chloride is the ot..
consider a top secret military power supply for arctic environment operations that will produce electrical power from
Derive the equilibrium conditions for an isolated system consisting of two regions separated by a membrane and with three components A, B, and C. The membrane is rigid, heat conducting, and only permeable to component A.
water flows through a hydraulic turbine installed in a pipe that connects a high reservoir to a reservoir that is 40m
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