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The advantages of using precast floor slab half is: A. Reducing the volume of concrete B. Does not require reinforcement top C. Can be used as a working plat form D. Do not need support now topping slab casting
A river with 400 ppm of salts (a conservative substance) and an upstream flow of 25 m^3/s receives an agricultural discharge of 5.0 m^3/s carrying 2000 mg/L of salts.
A solid circular shaft AC of total length L=L1+L2 is fixed against rotation at ends A and C and is loaded by a tourqe T_b at joint B. If the diameter of the two segements of the shaft are in ratio d2/d1
. In order to get full credit for this problem you must list all unknown species that would exist in the raindrop and all pertinent equations regardless of their level of significance. You must algebraically solve the equations to determine pH.
An old wooden telephone pole with a single cross member was blown off center during a recent storm. To temporarily stabilize the telephone pole, a repair crew has attached a cable from the end of the cross member to an eye-ring stake anchored in the ..
Determine the final phase of the water in the tank. Calculate the final temperature (oF) of the water in the tank.
A water treatment plant with a maximum daily flow of 4.4 m3/s is treating surface water with a minimum ambient temperature of -1°C (30°F). The water is coagulated with alum and the alum floc was measured to have a settling velocity of 1.6 m/h at 1..
A runs slope a distance of 156.777 m from one point to another point at a rate of +1.5%. What is the corresponding horizontal distance between the points?
At a specified point on a highway, vehicles are known to arrive according to a Poisson process. Vehicles are counted in 20-s intervals, and vehicle counts are taken in 120 of these time intervals.
It has been determined experimentally that the reaction follows frst order kinetics with respect to both oxygen andhydrogen sulfide concentrations: d[H2S]/dt =-k[H2S][O2]
The velocity of flow toward the sphere along the longitudinal axis is found to be u = - U0 (I - r~/_xl), where r0 is the radius of the sphere and x the distance from its center.
Two parallel 40-N forces are applied to a lever. Determine the moment of the couple formed by the two forces (a) by resolving each force into horizontal and vertical components and adding the moments of the two resulting couples
Part of the roof of a sports stadium is to be supported by the cables AB and AC. The forces the cables exert on the pylon A to which they are attached are represented by the vectors FAB and FAC.
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