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Assuming a density of 120/ft^3 for masonry brick work, determine the max height of a brick wall if the allowable compressive stress is limited to 150/in^2 and the brick isa) 4" wideb) 6" wide.
The engineer in charge of this project investigated severla alternatives to cool the exhaust gas and has concluded that the two most practical solutions would be either the installation of a waste heat boiler or the installation of a spray injecti..
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 elastic portion of the tension stress-strain diagram for an aluminum alloy. The specimen used for the test has a gauge length of 2 in and a diameter of 0.5 in. When the applied load is 9 kips, the new diameter of the specimen is 0.49935 in.
a horizontal cylindrical tank 4 ft in diameter and 10 ft long is full of water. find the work done in pumping the water to a point 4 above the top of the tank.
What is the minimum distance from the stalled car at which the driver could apply the brakes and still stop before hitting it? Assume coefficient of rolling resistance of 0.013.
The students strikes the sign at a speed of 35mi/h. If the student was travelling at 55mi/h when the sign was first spotted, what was the student's associated reaction time( use practical stopping distance)
What criteria are used in the selection of personnel for the demonstration of maintenance tasks? Define the criteria for the selection of test and support equipment.
a layer of clay, 5m thick, overlies a deposite of sand, 5m thick, which is underlaid by rock. the water table in the sand is sub-artesian with a level at 2m below fround level. the saturated unit weights of the clay and sand are 21 and 16 KN/m^3 r..
Assuming a standard driver reaction time of 2.5 seconds, what is the probability that the vehicle pulling out will get in an accident with oncoming traffic?
a cylindrical specimen of a metal alloyed in stressed in compression. If its original and final diameters are 40.00 and 40.10 mm, respectively , and its final length is 120.00 mm, compute its original length(L0)
a silty material is to be used to fill an earth damn. How much water must be added to bring the water content of each ton (2000 lb) of the material to 35% if the original watter content is 11.4%
A fluid that occupies a volume of 32 L weighs 280 N at a location where the gravitational acceleration is 9.8 m/s2. Determine the mass of this fluid and its density.
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