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in. diameter, 20 in. length, steel and aluminum bars are fitted between rigid plates(" just touching") at 70 F. The bars are then heated from 70 F to 300 F.
1. Calculate the axial stress in each bar.2. Calculate the change in diameter in each bar.
The bottom bar is made up of an aluminum bar and a steel bar, each 10 in. long placed in the parallel configuration at 70 F. That is also heated to 300 F.
1. Calculate the axial stress in each bar.2. Calculate the change in diameter in each bar.3. Calculate the new location of the interface - does it move left or right and how much?
The time between truck arrivals at the station is exponentially distributed with a mean arrival rate of 1.5 veh/min. the time it takes vehicles to be weighed is exponentially distributed with a mean rate of 2 veh/min.
The wedge is used to level the member. Determine thehorizontal force P that must be applied to move the wedge to theright. The coefficient of static friction between the wedgeand the two surfaces of contact is ts=.25.
For each radio produced during months 1 and 2, a $10 variable cost is incurred; for each radio produced during month 3, a $12 variable cost is incurred. The inventory cost is $1.5 for each radio in stock at the end of a month.
A sample of coarse aggregate weights 1072 grams when oven-dried, 1091 grams when saturated surface-dried, and 667.6 grams when submerged. Calculate the bulk specific gravity, apparent specific gravity, and percent absorption.
Congress banned the production of the speedy dry cleaning company's dry cleaning fluid in 2000. Speedy is using a new cleaning fluid. The new dry cleaning fluid has one-sixth the volatility of the former dry cleaning fluid.
A 2 m high sandy fill material was placed loosely at a relative density of 47%. Laboratory studies indicated tht the maximum and minimum void ratios of the fill material are 0.92 and 0.53, respectively.
A rectangular block of aluminum 30 mm × 60 mm × 90 mm is placed in a pressure chamber and subjected to a pressure of 100 MPa. If the modulus of elasticity is 70 GPa and Poisson's ratio is 0.333
The rigid bar abcd is supported by a pin at B and restrained by identical steel bars at C and D, each of area 250mm 2 . if the temperature is increased by 8 0 C, find out the force P that will cause the bar at c to be stress-free.
The development of complex algorithms that can mine mounds of data that have been collected from people and digital devices have led to the adoption of data mining by most businesses as a means of understanding their customers better than before
A particular crest vertical curve (VC) on US 280 at Shelton Mill Rd has long been criticized as being unsafe. Its length is 400 feet. The prevailing speed on the crest VC is 50 mph. In its present condition, its tangent grades are G1=2 percent and..
Above the water table the soil mass unit weight is 16 kN/m^2. Below the water table the saturated unit weight is 19.5kN/m^2. The maximum column load is 330,000 lbs. Recommend the number and depth of borings.
The solids in a specimen have a specific gravity of 2.65. If the oven-dry mass of the specimen is 25 kg, what is the volume of the solids in it
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