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The two shafts in a speed-reducer unit are subjected to couples of magnitude M1 = 18 N · m and M2 = 7.5 N · m, respectively. Replace the two couples with a single equivalent couple, specifying its magnitude and the direction of its axis.
Samples of 20 rivets for a steel structure are checked for quality every hour. The probability of finding a bad rivet that has to be scrapped is 1%.assume that x is the number of parts in the sample of 20 that have to be scrapped.
You are to design a chlorination tank for killing microorganisms in the effluent from a wastewater treatment plant. It is necessary to remove 99% of active bacteria in a wastewater flow of 120 m 3 /hr.
Given an 18-in. concrete conduit with a roughness coefficient of n = 0.013, s = 0.02, and a discharge capacity of 15 cfs, what diameter pipe is required to triple the capacity?
To satisfy desige limitation it is necessary to determine the effect of the 2- kN tension in the cable on the shear tension and bending of the fixed I-beam.
Due to a crash at a railroad crossing, an overpass is to be constructed on an existing level highway. the existing highway has a design speed of 50 mi/h.
If the detention storage on the paved section is increasing at the rate of 60 m3/hr, what is the runoff rate into the inlet grate?
To provide knowledge and practice AutoCAD software package for engineering activities.
Starting from x = 0 with no initial velocity, the acceleration of a race car is defined by the relation a = 6.8e- 0.00057x , where a and x are expressed in m/s 2 and meters, respectively. Determine the position of the race car when v = 30 m/s.
Describe the crystalline or atomic structure of the following minerals: 1) Brucite 2) Gibbsite 3) Bentonite 4) Illite
Evaluate the pressure head at point a and determine the vertical effective stress at point b and evaluate the lateral pressurein the brown clay
A soil borrow material in its natural state in the ground has a unit weight of 118pcf. Its natural water content is 7%. What is the dry unit weight of this material?
Develop a simple urban constructed wetland design.
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