Regarding hardness testing

Assignment Help Mechanical Engineering
Reference no: EM13709949

Find the false statement regarding hardness testing

A. Hardness measurements are dependent on the probe geometry

B. Hardness measurements are calculated from the indentation depth

C. Hardness is the material's resistance to localized deformation

D. Hardness tests are very repeatable and non destructive

E. A material solely undergoes elastic deformation during hardness tests

Reference no: EM13709949

Questions Cloud

Static pressure and the horsepower requirement : A centrifugal fan equipped with damper control has the damper wide open at full flow. The damper is partly closed to reduce flow to 80 percent of full load. Estimate the changes, in percent, in static pressure, and the horsepower requirement.
Determine the overall cycle efficiency : Assuming a 20 MW simple cycle gas turbine with a firing temperature of 1600K develop an analysis of a combined cycle. Assume that T max in the Rankine cycle is 560 C, P max = 60 Bar, and Pmin = 0.08 Bar. Assume an air inlet temperature of 300 K and u..
Compute the modulus of elasticity of the metal : During a test of a metal bar, it was found that a axial tensile force of 10,000 lbs resulted in an elongation of 0.023 in. The bar had these original dimensions, length 10 in. diameter 0.750 in. Compute the modulus of elasticity of the metal. What ki..
Geometric parameters : Create a (Matlab) program (not Excel!) which allows you to vary the geometric parameters (rb {bottom radius of ask; rt {top radius of ask; h { initial liquid height; A { hole area; N { number of discretization points).
Regarding hardness testing : Find the false statement regarding hardness testing
Consider a state of plane stress with principal stresses : Consider a state of plane stress with principal stresses of 14MPa and -6MPa. The normal stress in the x-direction is 12MPa. Find the remaining stress components in the x-y coordinate system. Draw a complete 2D stress element in the x-y coordinate sys..
Prepare selling and administration budget : Prepare a Production Budget and prepare a Direct Materials Purchase Budget - prepare Direct Labor Budget
Determine the plate temperature : A metal plate (k = 180 w/(m*k), p = 2800 kg/m^3, cp = 880 J/(kg*k)) with a thickness of 1 cm is being cooled by air at 5 degrees C with a convection heat transfer coefficient of 30 w/(m*k). If the initial temperature of the plate is 300 degrees C, de..
Define investment management questions : A portfolio that offers the lowest risk for a given level of return is known as an efficient portfolio. Studies have shown that investing in different industries as well as different countries reduces portfolio risk.

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Calculate the contact forces at a and b

the 50-kg homogeneous smooth sphere rest on the 30 degree incline A and bears against the smooth vertical wall B. calculate the contact forces at A and B.

  Calculate the velocity of air assume room temperature at 25

a pitot-tube probe is used to calculate the velocity of air at a given point. the air density is 1.3 kgm3 and the

  Determine the rate of diffusion of cu in al at 300k using d

determine the rate of diffusion of cu in al at 300k using d do exp -edrt where do 0.15 cm2sec and ed 125 kjmole.

  A triangular access port must be provided in the side of a

a triangular access port must be provided in the side of a form containing liquid concrete. determine the resultant

  Three shopping carts are initially stationary on a slope

three shopping carts are initially stationary on a slope the friction in the wheels allowing them to stay still. a

  Determine the minimum diameter of a solid shaft

Determine the minimum diameter of a solid shaft used to transmit 500 kW of power from a 3000-rpm motor so that the shear stress does not exceed 50 MPa.

  A solid 15-m-diameter sphere floats at the interface

i a solid 1.5-m-diameter sphere floats at the interface between water sg 1.0 and mercury sg 13.56 such that 30

  If m 20 kg determine the stiffness of the spring so that

the governing equation for a simple mass-spring system exemplified in class ism? kx 0if m 2.0 kg determine the

  The intake compressor ie the turbocharger determinea engine

consider an internal combustion engine operating on the ideal dual cycle with thefollowing conditions two cylinder four

  Calculate the final temperature and enthalpy

A spring-loaded piston-cylinder device is initially filled with 0.13 lbm of an R-134a liquid-vapor mixture whose temperature is ?30°F and whose quality is 80 percent. The spring constant in the spring force relation F = kx is 37 lbf/in, and the pisto..

  A rankine heat engine with a net power output of 85000 hp

a rankine heat engine with a net power output of 85000 hp has a thermal efficiency of 35. determine the rate of heat

  Determine the density of air at mile high stadium in denver

a. determine the density of air at mile high stadium in denver colorado on a warm summer evening when the temperature

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