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An orifice meter is to be installed in a 12-in ductile iron pipe carrying water at 60°F. A mercury manometer is to be used to measure the pressure difference across the orifice when the expected range of the flow rate is from 1500 gal/min to 4000 gal/min. The manometer scale ranges from 0 to 12.0 in of mercury. Determine the appropriate diameter of the orifice.
The natural time period of this system is found to be 0.5 s. If an identical spring is cut so that one part is one-fourth and the other part three-fourths of the original length, and the mass m is connected to the two parts as shown in Fig. 2.81
You have been selected to assist the structural engineer for a bridge replacement project. Your task is to design the size of the footing for an interior bridge pier, based on the allowable stress design method.
As a 75 slug car travels along a horizontal, 3200 ft section of road, it changes speed from 5 mph to 60 mph. During this acceleration, how efficient is the car's engine assuming 1 gallon gasoline produces 120 MJ of energy when completely combusted in..
The efficiency of a pump is assumed to be a function of the flow rate Q (cubic ft/sec), pressure increase? p, pipe diameter d, and density and viscosity of the fluid. Use dimensional analysis to find an expression for the pump efficiency.
an airplane wing modeled as a spring-mass system with natural frequency 40 hz is driven harmonically by the rotation of
a string is stretched between rigid supports a distance l apart. it is driven by a force fcoswt located at its
two identical asteroids travel side by side while touching one another. if the asteroids are composed of homogeneous
the uniform disk of mass pivots freely on the cart of mass. determine the acceleration of the assembly and the angular
suppose a pair of rolling element bearings is being considered as the support for the front wheel of a bicycle. the
a passive solar house that is losing heat to the outdoors at an average rate of 50000 kjh is maintained at 22 c at all
In 1654 Otto von Guericke, Burgermeister of Magdeburg and inventor of the air pump, gave a demonstration before the Imperial Diet in which two teams of horses could not pull apart two evacuated brass hemispheres. (a) Show that the force F required to..
Compute the maximum design axial load strength for the tied column shown. The column is short. Check the tie size and spacing. Use f′ c = 4000 psi and fy = 60,000 psi.
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