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A device for impact testing consists of a 34-kg pendulum with mass center at G and with radius of gyration about O of 620 mm. The distance b for the pendulum is selected so that the force on the bearing at O has the least possible value during impact with the specimen at the bottom of the swing. Determine b and calculate the magnitude of the total force R on the bearing O an instant after release from rest at θ = 60°
An airplane is flying at 10.6 km altitude. in its nonpressured cargo bay is a container of mercury 325 mm deep. The container is vented to the local atmosphere.
A municipal water plant has four filters that are each 20 ft long by 15 ft wide by 5 ft deep. The demand for water requires that they only operate, on average, three filters per day at a loading of 3 gallons per min / ft^2.
The fill volume of cans filled by a certain machine is normally distributed with mean 12.05oz and standard deviation 0.03oz.
The beam is subjected to the distributed loading. Determine the length b of the uniform load and its position a on the beam such that the resultant force and couple moment acting on the beam are zero.
If the tensil testing machine can apply no more than 925 lbs. of force to the specimen, calculate the maximum rod diameter that should be used. (precision 0.000)?
The cantilevered wild- flange steel beam is subjected to the concentrated force P at its end. Determine the largest magnitude of this force so that the bending stress developed at A does not exceed 180 MPa.
Show that the head loss in a hydraulic jump formed in a rectangular channel may be expressed as : change in E =(y2 - y1)^3/(4y1*y2) where y1 and y2 are depth of flow before and after jump.
A lunar module weights 1500 kg on earth where g = 9.75 mps2. On the surface of the moon where g = 1.70 mps2, what will be the force in Newtons required to accelerate the module at 10 mps2?
You find a chlorine demand occurring in your drinking water distribution system (series of pipes that carry drinking water throughout a city), yet there is no increased chlorine demand in the water going through the treatment plant
1. In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN. 2.If you want to disable STP on a port connected to a server, which command would you use
What diameter of a circular conduit flowing full would be required to carry the same quantity of flow as in a concrete trapezoidal channel of 20 ft width and 45 degrees side slopes, running at a depth of 3.0 ft
a concrete box girder bridge has the rectangular x-section. the box is prismatic and considered thin-walled. it span is
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