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1. Check the tabulated moment of inertia for a 300×610 nominal-size timber cross section
2. For the cross section of Problem 8.3, calculate the moment of inertia with respect to the Y-Y centroidal axis
Problem 8.3
A structural steel wide-flange section is reinforced with two steel plates attached to the web of the member, as shown. Calculate the moment of inertia of the built-up member with respect to the X-X centroidal axis.
Carbon dioxide gas enters a pipe at 3 MPa and 500 K at a rate of 2 kg/s. CO2 is cooled at constant pressure as it flows in the pipe and the temperature of CO2 drops to 450 K at the exit.
Calculate the Grashof number using Equation 9.65, which can be applied to natural convection flows driven by temperature and concentration gradients. Use a characteristic length L that is appropriate for the exposed surface of the water bath.
1. Four (4.0) lbm of CO2 are contained in a piston-cylinder system. The CO2 is initially at a temperature T1=500°R and pressure p1=20 psia. The CO2 undergoes the following two processes:
a jet is coming out of a dive and a sensor in the pilots seat measures a force 800lbs for a pilot whose weight is
a particle moves along the path defined by x 3t and y 5t2 where t is the time in seconds and distances are in meters.
the sun shines on a 500m2 road surface at 50c. below the 5cm thick asphault with an average conductivity of 0.1 wmk is
water is flowing through a gradual constriction in a pipe. the upstream diameter of the pipe is d14cm and the
Estimate the theoretical fracture strength of a brittle material if it is known that fracture occurs by the propagation of an elliptically shaped surface crack of length 0.5 mm (0.02 in.) and having a tip radius of curvature of 5 X
a packed bed is composed of crushed rock with a density of 175 lbmft3nbspof such anbspsize and shape that the average
A vertical run of copper tubing, 5 mm in diameter and 20 cm long, carries condensation vapor at 60?C through 27?C air. What is the total heat loss?
air enters a one-inlet one-exit control volume at 6 bar 500 k and 30 ms through a flow area of 28 cm2. at the exit the
when the hydrofoil shown was tested the minimum pressure on the surface of the foil was found to be 70 kpa absolute
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