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Discuss the effects of not dropping the hammer in a standard Proctor test from a height of 305 mm. Plot a graph of energy versus hammer height from 250 mm to 400 mm in steps of 50 mm to discuss the effects. Assume the mold hammer mass, number of layers (3), and number of blows (25) are all constants.
determine the total dead load, per foot of length, each beam must support.
Neglect friction and the mass of the small end roller and find the initial acceleration of A. Evaluate your result for θ = 30°
A bicyclist travels on a level path. The frontal area of the cyclist and the bicycle is 2.3 ft^2 and the drag coeffcient is 1.2. The specific weight of the air is .075lb/ft^3.
Atmospheric air enters an air-conditioning system at 30°C and 70 percent relative humidity with a volume flow rate of 4 m3 /min and is cooled to 20°C and 20 percent relative humidity at a pressure of 1 atm.
The truss shown consists of 9 members and is supported by a ball and socket at A, two short links at B, and one short link at G. Check that this truss is a simple truss, that it is completely constrained
To avoid shrinkage cracks in the grout, what should be the total expansion and total bleeding in term of percentage for the grout?
A human with a surface area of 2 m^2 and a surface temperature of 27 degrees celcius radiates into a large room (which acts as a black body),
The continuity equation is just the water balance for the slope or any small portion of the slope and can be given as: p - fp = RO where i = rainfall rate, fp = infiltration capacity, and RO = runoff rate, all expressed as a depth per time
Design a 300 + sl m long variable graded terrace for a land having an average slope of 2 %. Maximum permissible velocity of water in the terrace channel is 60 cm/sec.
a brass ring of 120-mm outside diameter is fits exactly inside a steel ring of 120-mm inside diameter when the temperature of both rings is 5 degrees C. knowing that the temperature of the rings is then raised to 55 degrees C
A municipal WWTP discharges 22.5 MGD of secondary effluent containing 45 mg/L of ultimate BOD at 26.7 oC with 1.3 mg/L of dissolved oxygen. The stream flow is 237 ft3/s at a velocity of 2.1 ft/s and an average depth of 7 ft.
If the performance of an entire system, due to the actions and interactions of its component subsystems, is measured as being greater than the sum of the performance of the individual subsystems' actions if they operated independently then we have ob..
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