Determine the required diameter of the thread

Assignment Help Civil Engineering
Reference no: EM13544553

1.A polystyrene rod consisting of two cylindrical portions AB and BC is restrained at both ends and supports two 6 kip loads as shown. Knowing that E = 0.45 * 10^6 psi, determine the reaction C.

2.An axial force of 200 kN is applied to the assembly shown by means of rigid end plates. Determine the normal stress in the aluminum shell.

3.A nylon thread is to be subjected to a 10-N tension. Knowing that E=3.2 GPa, that the maximum allowable normal stress is 40 MPA, and that the length of the thread must not increase by more than 1%, determine the required diameter of the thread.

Reference no: EM13544553

Questions Cloud

Use a numerical method to estimate the excess pore pressure : At the site of a large scale land reclamation project 2 m of sand overlie a silty clay layer 5 m thick, which overlies highly fractured permeable rock.
Find the steady state concentration if the air in the box : Consider the air over a city to be a box 100km on a side that reaches up to an altitude of 1.0 km. The air is blowing into the box along one of its sides with a speed of 4 m/s
Determine the force p that must be applied to the cylinder : The brass tube AB (E=105 GPa) has a cross-sectional area of 140 mm^2 and is fitted with a plug at A. The tube is attached at B to a rigid plate that is itself attached at C to the bottom of an aluminum cylinder
Determine the required do concentration in the treatment : Given the following information, determine the required DO concentration in the treatment plant effluent discharge in order to ensure that at no point downstream the DO in the river drops below 4 mg/L:
Determine the required diameter of the thread : A nylon thread is to be subjected to a 10-N tension. Knowing that E=3.2 GPa, that the maximum allowable normal stress is 40 MPA, and that the length of the thread must not increase by more than 1%, determine the required diameter of the thread.
What will be the steady-state concentration of selenium : If the farmer irrigates continuously, what will be the steady-state concentration of selenium in the stream downstream from the farm (after the irrigation run-off returns to the stream)?
Find the axial load and the total change in each cross : A flat bar of cross section 20mm by 70mm elongates 4.0mm in a length of 2.0m as a result of axial load. If the elastic modulus is 199x106 kN/m2 and Poisson's ratio is 0.25 for the material, find the axial load and the total change in each cross secti..
Determine magnitude and direction of resultant force : Calculate the area of the triangle - exponential functions using logarithms - Determine the magnitude and direction of the resultant force.
Determine the normal stresses induced in the steel and in : The concrete post (Ec=3.6*10^6 psi and Ac= 5.5*10^-6/degrees F) is reinforced with six steel bars. each of 7/8-in diameter (Es=29*10^6 psi and As=6.5*10-6/ degrees F).

Reviews

Write a Review

Civil Engineering Questions & Answers

  Compute the modulated wavelength under the humidity

The average slope distance of 500m was measured with utilizing infrared light with wavelength = .91 um has a modulating frequency at 24.5 MHz. At the time of the measurement, the temperature was 27 degrees C and the atmospheric pressure was 755.1 ..

  To what maximum angle, measured from vertical

To what maximum angle, measured from vertical, does the rod (with the attached ball of clay) rotate?

  What must be the standard deviation

A distance of 200 ft must be taped in a manner to ensure a standard deviation smaller than ± 0.03 ft. What must be the standard deviation per 100 ft tape length to achieve the desired precision?

  Determine the pressure at a closed valve attached to tank

In a certain chemical plant, a closed tank contains ethyl alcohol to a depth of 50 ft. Air at a pressure of 25 psi fills the gap at the top of the tank. Determine the pressure at a closed valve attached to the tank 10 ft above its bottom.

  Write a program that uses menu to select a type of figure

Write a program that uses menu to select a type of figure (triangle, sqaure, pentagon, hexagon, heptagon, octagon), and then use switch-case to determine the value of n.

  Determine what is the number concentration

An aerosol with a lognormal size distribution has a count median diameter of 2.0 micron and a geometric standard deviation of 2.2. If the mass concentration is 1 mg/cubic meter what is the number concentration

  Calculate net present value of each option based on discount

Two remediation options are being considered for a contaminated land area formerly used for industrial operations. Option 1 involves removing all of the contaminated soil over a two-year period at a cost of $2.2 million per year

  Calculate the change in temperature of the air in the room

Incandescent light bulbs have been phased out in the US because they are very inefficient (i.e., they produce a very large amount of heat). A 10 W light-emitting diode lamp (LED) can produce about the same light output as incandescent light bulbs

  Estimate standard deviation of population of all television

A sample of 10 television tubes produced by a company showed a mean lifetime of 1200 hours and a standard deviation of 100 hours. Estimate (a) the mean, (b) the standard deviation of the population of all television tubes produced by this company.

  Determine the governing load combination for both moments

A beam that is part of a rigid frame has end moments and mid-span moments for dead, live, and earthquake loads. Determine the governing load combination for both negative and positive moments at the ends and mid-span of the beam.

  Determine what is the rate of discharge with rubble masonry

A 5-m wide rectangular open channel lined with rubble masonry (n=0.025) and laid on a slope of 0.0004. If the depth of flow is 3 m, what is the rate of discharge (m3/s)

  Find the pressure head at the lower end of the pipe

A vertical pipe of 4ft diameter and 60 ft long has a pressure head of 22.7 ft of water at its upper end. when the flow of water through it is such that the mean velocity is 16 fps, the pipe friction head loss is hf = 2.8 ft.

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