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The design capacity of a steel pile is 250 kN. The pile is driven by a steam hammer with a manufacturer's hammer energy rating of 36 kN • m. Determine the average penetration of the pile from the last few driving blows. Use the Engineering-News formula.
A piston cylinder is filled with .85 kg of refrigerant-134a at -10 degrees Celsius. The piston moves freely, and has a mass of of 12 kg and a diameter of 25 cm. Heat is added to the closed system (the refrigerant) until the temperature rises to 15 de..
What diameter of vertical tube would allow mayonnaise ( p = 1200 kg/m3) to flow under its own weight
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.
Assume that the design temperature and residence time have been established as 1300 degrees F and 0.6 seconds, respectively. The type of burner used in the process requires outside air at a mass ratio of 12:1 (air to fuel gas).
A container containing saturated soils weighs 113.27 g before being placed in an oven and 100.06 g after drying remains in the same container overnight. The empty container weighs 49.31 g and relative density of the grains is 2.80.
A pump of 80% efficiency lifts water from one large open tank to another; the difference in water surface elevations is 20 feet. The pipe is relatively smooth (f = 0.0122), and has 3 elbows, each with a loss coefficient of 2/3.
An important dimensionless parameter in certain types of fluid flow problems is the Froude number defined as V/(gl)^1/2 where V is a velocity, g the acceleration of gravity, and l a length.
It is commonly known that there are 16 ounces in 1 lb. Consider a 0.5lbf glass that weighs 1 lbf when filled with 8 ounces of liquid. Determine the liquid density in British gravitational units and in SI units. Also calculate the specific weight in b..
A 1 L beaker contains a material that decays at a first order rate of 0.25/day. How long will it take for the concentration in the container to be reduced to 10 % of its originalvalue
What are the effects of degree of hydration on capillary pore volume, capillary pore size, porosity, permeability, and compressive strength of hydrated cement (Degree of hydration: hydrated cement/total cement, increases with time and temperature)
Two infinite parallel horizontal surfaces are seprated by a film ofSAE 10W oil at T=10 C that is d=0.0144 in. thick . The uppersurface moves with speed V
coal has about 2% sulfur. How many kilograms of sulfur would be emitted from coal fired plints in the US in 1 yr US electricity production is about 0.28 * 10^12 watts, & coal has an energy content of about 30*10^6 J/kg
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