Determine the carburizing time necessary to achieve

Assignment Help Civil Engineering
Reference no: EM13316868

Determine the carburizing time necessary to achieve a carbon concentration of 0.35 wt% at a position 2 mm into an iron-carbon alloy that initially contains 0.10 wt% C. The surface concentration is to be maintained at 1.30 wt% C, and the treatment is to be conducted at 1000oC.

Reference no: EM13316868

Questions Cloud

Design and use computer package incorporating the techniques : Java source files for your controller. Note that your controller must use fuzzy rules to earn these marks, and it must be different from the example FuzzyController.
Determine the alkalinity and total carbonate concentration : If the pH of a natural water is 7.8, and the alkalinity was measured to be 125 meq/L, determine the following: - Alkalinity as mg/L CaCo3 - Approximate the total carbonate concentration (Ct), in moles per liter.
What is the concentration of hypochlorite ion in mg per l : If 5 mg of NaOCl are added to one liter of water and the pH is measured to be 7.8, what is the concentration of hypochlorite ion (OCl-) in mg/L
How much work must be done to stretch the spring : A spring with spring constant of 29 N/m is stretched 0.21 m from its equilibrium position. How much work must be done to stretch it
Determine the carburizing time necessary to achieve : Determine the carburizing time necessary to achieve a carbon concentration of 0.35 wt% at a position 2 mm into an iron-carbon alloy that initially contains 0.10 wt% C.
Determine the mass flow rate of the cooling water : refrigerant 134a is compressed at steady state from 2.4 bar, 0 degrees celcius, to 12 bar, 50 degrees celcius. Refrigerant enters the compressor with a volumetric flow rate of 0.38m^3/min, and the power input to the compressor is 2.6 kW.
Calculate the retardation coefficient for the three chemical : Groundwater has been contaminated with three chemicals: benzene (log Kow 2.13), pentachlorobenzene (log Kow 5.03), and naphthalene (log Kow 3.36). The aquifer (rs = 2.3 g/cm3; h = 0.4; foc = 0.02) has a gradient of 0.004 and hydraulic conductivity..
What is the max height of the rocket : A rocket is launched from rest with an acceleration of 30m/s^2 for the duration of one second when it runs out of fuel. What is the max height of the rocket
Calculate the hydraulic conductivity k of the soil sample : The diameter of the sample and the standpipe were 9.8 cm and 0.75 cm, respectively. The water level in the standpipe was observed to fall from 60 cm to 45 cm in 12 minutes. Calculate: a. The hydraulic conductivity k of the soil sample .

Reviews

Write a Review

Civil Engineering Questions & Answers

  Determine what is the pressure in cell that can be varied

Pure n-butane is contained in a laboratory cell in which the volume can be varied. The cell is maintained at a temperature of 200°F. The volume is changed until a few drops of liquid n-butane are present. What is the pressure in the cell

  Determine the maximum allowable axial tensile force

A 4-cm- diameter rod of aluminum 7075-T6 is to subjected to an axial tensile force such that the factor of safety based on the yield stress on 1.75. Find the maximum allowable tensile force.

  Determine additional width l required for all the parameters

The canal shown below is to be widened so that it can carry twice the amount of water. Determine the additional width L required if all other parameters (i.e. flow depth, bottom slope, surface material, side slope) are to remain the same.

  Estimate the total water that will be withdrawn in 2015

Consider a state with a total water withdrawal of 4.5 bgd in 2000. This was distributed as follows: municipal use 1.0 bgd, industrial use 1.5 bgd, and steam electric cooling 2.0 bgd. Assume a 2000 Population of 10 million and a projection of 12 mi..

  Determine the acceleration of each plate with a force

The coefficients of static and kinetic friction are 0.3 and 0.2, respectively, between each of the plates and between plate A and the ground. Determine the acceleration of each plate.

  Determine the maximum load p that can be applied

The 25mm thick strut shown below is glued to the horizontal member along surface AB. The glue can resist a shear stress of 600 kPa before failing, and the horizontal member can resist a normal stress of 2000 kPa before a bearing failure occurs.

  What is the undrained shear strenght-psf of the clay

an unconfined compression test was conducted on a cylindrical clay specimen with the following properties: Peak load at failure = 4.5lb, diameter of sample = 1.2 in.

  Calculate the dry unit weight of the compacted earth fill

During construction of a highway project, a soil sample was taken from compacted earth for a sand-cone in place denstiy test. The following data were obtained from the test. Weight of sand used to fill test hole and funnel of sand-cone device= 845..

  Compute 95 percent confidence intercals for b0 and b1

An article reports measurements of expansion for several concrete bridges in the area of Quebec City. Following are measurements of horizontal and vertical expansion (in parts per hundred thousand) for several locations

  Calculate the hydraulic conductivity of the clay

A falling-head permeability test was carried out on a clay soil of diameter 10 cm and length 15 cm. In 1 hour the head in the standpipe of diameter 5 mm dropped from 68 cm to 50.2 cm. Calculate the hydraulic conductivity of this clay.

  Determine temperature increase that will close initial gap

An aluminum rod (1) (E=80 GPa, d=24.5 x 10-6/oC) and a brass rod (2) (E=115 GPa, d=22.0 x 10-6/oC) are connected to rigid supports. The cross-sectional areas of rod (1) and (2) are 4,000 mm2 and 5,000 mm2

  Find the angular acceleration of the plate at the instant

An external moment of magnitude 110 N-m is applied in the counter clockwise direction as shown. A frictional moment of magnitude 10 N-m resists the rotation. The specific weight of the material is 250 lbs / ft3.

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