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1.If the 10-lb block passes point A on the smooth track with a speed of va = 5 ft/s determine the normal reaction on the block when it reaches point b.
2.Design a parshall flume to handle 24mgd in a 10ft wide channel at a downstream depth of 3 ft. If the channel floor is at elevation 65.7ft, what is the water elevation upstream of the flume? What is the flume crest elevation?
3.Using the orthotropic properties for AS4/3501-6 carbon/epoxy, write the compliance and the stiffness matrix under plane stress condition. E11=131.0 GPa, E22=23.3 GPa, v12=0.28, and G12=6.55 GPa.
4.For unidirectional carbon/epoxy tape at a 60% fiber volume fraction, calculate E11 and E22. Given Ef= 211 GPa and Em =10 GPa. Calculate the fiber weight fraction. Given pf=1.95 g/cm3 and pm =1.3 g/cm3.
A force of 100 000 N is applied to a 10 mm x 20 mm rectangular cross-section iron bar in tension. If the iron has a yield strength of 400 MPa and a tensile strength of 480 MPa, determine: whether the bar will plastically deform
The force of the expanding gases on a 0.02 kg bullet is given by f=f0-f.1*t . Initially stationary at x=0 , the bullet reaches a speed of 1000 kph by the time it exits the gun
a gate having cross section shown in fig closes an opening 5 ft and 4 ft high in a water reservoir. The gate weighs 400lb and its center of gravity is 1 ft to the left of AC and 2 ft above BC. Determine the horizontal reaction that is developed on..
Determine the deflection of the right end of the pointer and the maximum deflection of the beam.
1.How long is the irrigation boom (in feet) from the center pivot to its farthest extent. 2.If the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 4 days.
Considering both temperature and pressure to be variables, what is the largest number of phases that can coexist at equilibrium in a binary alloy
the fixture ac is designed with a screw adjustment to regulate the height of the 900 n load supported by the roller
During the manufacturing process, a circular steel bar of diameter20mm and length of 1.2m is subjected to an axial load P. Themodulus of elasticity of steel is 207 GPa. The steel bar mustacquire an elastic strain energy of 14J.
it is found that the lifetimes of television tubes manufactured by a company have a normal distribution with mean of 2000 hours and standard deviation of 60 hours. if 10 tubes are selected at random
Calculate and plot the distribution of total and effective vertical stresses as well as pore-water pressure with depth from the ground surface up to the bedrock surface.
For the fully developed flow of water in a smooth 0.15-m pipe at a rate of 0:006m3/s, determine the thickness of a. the laminar sublayer; b. the buffer layer; c. the turbulent core
A 98% efficient ESP follows the Deutsch equation. If the gas flow rate changes and the efficiency drops to 94%, calculate the ratio of the new gas flow rate to the old gas flow rate.
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