Find the maximum shearing stress and its location

Assignment Help Civil Engineering
Reference no: EM13562589

1.In a study it was found that 39% of the bacteria died within 9 hoursand 67% died within 20 hours. If the rate of andwer proportional to the number remaining, how long would it take to obtain a 99.9% reduction in the bacteria?

2.Find the maximum shearing stress and its location in the shaft and the angle of twist of A with respect to C. Let G = 4x10^6 psi for the entire shaft.

Reference no: EM13562589

Questions Cloud

Determine the support reactions : A steel I beam is supported by a pin at point A and a rocker at B, and a cable applies a 2000lb force. The beam is uniform and weighs 26 lb/ft. Determine the support reactions.
Which of these materials are likely to be retained : A waste mixture contains a variety of volatile organic compounds, nonvolatile organics, metals, and sandy soil. In a vitrification treatment,
What is the average stopping force acting on the arrow : Legolas shoots an arrow of mass 20 g horizontally into a baleof hay, striking the hay with a velocityof 60 m/s. What is the average stopping force acting on the arrow
Design a cyclone collection system which might meet : Design a cyclone collection system which might meet the minimum limits.  Provide a reasonable pressure drop through the cyclone (i.e., 8-10 in H2O)
Find the maximum shearing stress and its location : Find the maximum shearing stress and its location in the shaft and the angle of twist of A with respect to C. Let G = 4x10^6 psi for the entire shaft.
What is their wavelength in air : Radio waves of very long wavelength can penetrate farther intoseawater than those of shorter wavelength. What is their wavelength in air
Which reactor requires the least volume : Which reactor requires the least Volume? Briefly explain why the PFR and CMFR volumes are different for achieving the same degree of pathogen reduction.
What average force of air frictionacts on it as it falls : A 40-N stone is dropped from a height of 10m and strikes theground with a velocity of 7 m/s. What average force of air frictionacts on it as it falls
What pressure gradient along a streamline : What pressure gradient along a streamline, dp/ds, is required to accelerate water upwards in a pipe at 0.5 m/s^2 ? The incline is 1:10, i.e., 1 m upward for every 10 m horizontal.

Reviews

Write a Review

Civil Engineering Questions & Answers

  Calculate cc and use the aisc equations e2-1 and e2-2

If design is needed, use a W-built-up cross section; select the W section and the thickness of the plate. Calculate Cc and use the AISC equations E2-1 and E2-2 to determine the allowable stress for each axis and ultimately the allowable load for t..

  Calculate the angular displacement for the pulley d

The cylinder B is released from rest. Determine the speed of both masses (vA and vB) after B moves by h m. Also calculate the angular displacement for the pulley D. The diameter of the pulley D is 0.2 m. Neglect all friction.

  Draw the shear force and bending moment diagram

Consider a beam of length 1.5L(meters) with hinge support and roller support from both the ends (respectively left and right) at distance of L/4. The beam is subjected to triangular loading from 0 to q KNper meter.(left to right)

  What true stressis necessary to produce a true plastic

A coal mine's entry and breakthrough centers are set at 60ft with 20ft-wide openings.  The 6ft coal seam lies 1,000ft below the suface, and the specific gravity of the overburden is 2.4.  If the compressive strength of 4in.

  What is the over consolidation ratio of the soil

an increment of vertical stress of 150kpa compress the sample to a void ratio of1.43. what is the over consolidation ratio of the soil at the unloaded condition.

  Determine the dimensions of the pit that minimizes cost

Assume excavation costs at $100/m3, side lining costs at $50/m2, and cover cost at 25/m2. Determine the dimensions of the pit that minimize cost -If the side slope is unconstrained and -If the side slope must me less than 450

  Determine horizontal distance between the points

What is the corresponding horizontal distance between the points - The slop distance 156.777 from one poin to another at rate of+1.5%

  Determine the constant angular deceleration

A tub of a washing machine is rotating at 50 rad/s when the power is turned off. If it takes 15s for the tub to come to rest, determine (a) the constant angular deceleration, and (b) the total number of revolutions the tub makes.

  Calculate the molar mass of the biomolecule

For carbon tetrachloride, the boiling point constant is 5.03°C · kg/mol, and the boiling point of pure carbon tetrachloride is 76.50°C.

  Find probability of atleast one tractor is in good condition

A construction firm purchased 3 tractors from a certain company. At the end of the fifth year, let E1, E2, E3 denote, respectively, the events that tractors no. 1, 2, and 3 are still in good operational condition.

  Determine what are the normal stresses in the bars afterward

The cross sectional area of each bar is A = 400 mm2 and L = 250 mm. If the cross bar is loaded with a load P = 250 kN, what are the normal stresses in the bars afterward

  What is the concentration of phenol vapor in the exhaust

A plastic-manufacturing plant emits 1,700 scfm of exhaust at 200oC and 90 kPa. The exhaust (consisting of mostly air) contains 9 ppm phenol vapor (C6H5OH). What is the concentration of phenol vapor in the exhaust in µg/L

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd