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The hydraulic cylinder CF, which partially controls the position of rod DE, has been locked in the position shown. Member BD is 16 mm thick and is connected to the vertical rod by a 10 mm diameter bolt. Link AB has a uniform 12 x 12 mm uniform rectangular cross. It is connected to a support at A and to member BD at B by 10 mm diameter pins.
Determine
1. The average normal stress in AB.
2. The average shearing stress in the bolt.
Calculate the time average F of the total force tangent to the toad exerted on the tires during the 8 s. Treat the car as a particle and neglect air resistance.
A newly designed car has a 9.2 ft wheelbase, is rear wheel drive, and has a center of gravity 18 inches above the the road and 4.3 ft behind the front axle. the car weighs 2450 lb
A cylinder fitted with a frictionless piston contains 2 kg of superheated refrigerant R-134a vapor at 350 kPa, 100oC. The cylinder is now cooled so that the R-134a remains at constant pressure un- til it reaches a quality of 75%.
The weights on the same axles when the truck is empty and leaving the power plant are 10 kips, 12 kips, and 8 kips, respectively. A two lane road is to be designed to serve the power plant and to last for a period of 10 years. a) What is the equiv..
The two upper lengths of the welded Y-shaped assembly of uniform slender rods have a mass per unit length of 0.3 kg/m, while the lower length has a mass of 0.7 kg/m. Locate the mass center of the assembly. lenghts of all rods aew 30mm
A dam project specifies 97% compaction. Lab tests on the soil being used indicate that it has a maximum dry density of 1900 kg/m 3 at an optimum water content of 13.2%.
On a summer day when the wind speed is 3 m/s, a tank truck loaded with liquid chlorine is involved in an accident that results in a small split in the tank and a leak of 30 kg/min at the top of the tank.
Backriver wastewater treatment plant must disinfect its effluent before discharging the wasterwater onto Backriver. The plant has plug flow reactor of length 1800m which treats the wastewater biologically by first order reaction
Knowing that P=109.2 kips and Q=72.8 kips, determine (a) the components of the reaction at C, (b) the components of the force exerted at B on segment AB.
What is the cost breakdown structure(CBS)? What are its purposes? What is included (or excluded)? How does it relate to a work breakdown structure (WBS)?
A 68 kg woman is planning to bicycle for an hour. If she is to meet her entire energy needs while bicycling by eating 30 g chocolate candy bars, determine how many candy bars she needs to take with her
A reinforced concrete column has 6 steel rods inserted in the column and the apparatus is subjected to a temperature drop of 90degrees F. from its stress free state.
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