Heat treatment and toughness and hardness

Assignment Help Mechanical Engineering
Reference no: EM13711498

The relationship between heat treatment and toughness and hardness i.e. briefly explain why the different heat treatments give different toughness and hardness values.

Reference no: EM13711498

Questions Cloud

Estimate the molar volume of isobutane at the initial : Saturated isobutane vapor at 320 K is contained in a piston-cylinder assembly. It is expanded to 3 bar by a reversible isothermal process. At 320 K, the vapor pressure of isobutane is 6.243 bar. Using the truncated virial equation of state, i.e. with..
Final equilibrium temperature of the iron sphere and oil : A 1 kg sphere of iron at 1000 degrees Celsius is quenched in a 10 kg bath of oil at 100 degrees Celsius. Assume that no heat is lost to the surroundings and the temperature of the oil is uniform. Calculate the final equilibrium temperature of the iro..
Stream consisting of two organic chemicals : A stream consisting of two organic chemicals: 1) Benzene (C6H6) and 2) Toluene (C7H8), enters a separation column. The total mass flow rate of the stream is 10,000 lbm/hr (pounds/hour). The mass percent of benzene in the stream is 40%.
Determine the change in entropy : Five kg of nitrogen (N2) undergoes a process from p1 = 5 bar, T1 = 400K to p2 = 2 bar and T2 = 500K. Assuming ideal gas behavior, determine the change in entropy, in kJ/K
Heat treatment and toughness and hardness : The relationship between heat treatment and toughness and hardness i.e. briefly explain why the different heat treatments give different toughness and hardness values.
Determine velocity head and pressure head at elevation : Water flows in a 0.15-m-diameter vertical pipe at a rate of 0.65 m3/s and a pressure of 530 kPa at an elevation of 25 m. Determine (a) velocity head at elevation of 20 m, (b) pressure head at elevation of 20 m, (c) velocity head at elevation of 55 m,..
What is the rotational speed of the driven sheave : A v-belt drive system consists of a 12.4" diameter driving sheave and a 21.1" diameter driven sheave connected by a 5V belt. if the center distance is to be no more than 38" specify the longest possible standard belt that can be used and what the res..
Find the elevation of the pump relative to the reservoir : A fire truck draws water from an open constant-level reservoir through a hose of 0.2 ft2 cross section. The water is discharged from the pump through another 0.2 ft2 hose to a surge tank pressurized to 120 psig with air at the top. The pump adds 970 ..
Determine the change in the head loss of the fluid : Consider laminar flow of a fluid through a square channel with smooth surfaces. Now the average velocity of the fluid is doubled. Determine the change in the head loss of the fluid. Assume the flow regime remains unchanged.

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  What is the rate at which radiation is emitted by surface

2.51 a body whose surface area is 0.5 m2 emissivity is 0.8 and temperature is 150 is placed in a large evacuated

  Assuming ideal-gas behavior for air steady flow and

air enters a compressor at 105 kpa and 300 k with a volumetric flow rate of 12 m3min and exits at 1200 kpa and 400 k.

  The steam expands reversibly and isothermally to a final

a piston-cylinder contains 1.2 kg of saturated water vapor at an initial temperature of t1 200 oc.

  Determine the minimum distance d at which the brakes must

a vehicle a is stuck on the railroad tracks as a train b approaches with a speed of 120 kmh. as soon as the problem is

  The turbine isentropic efficiency is 075 calculate the

a geothermal power plant utilizes steam produced by natural means underground. steam wells arc drilled to tap this

  The tanks are connected by a siphon with diameter25 mm that

tank a has surface height of 2 meters. tank b has surface height of 1 meter. the tanks are connected by a siphon with

  Steam at 1 bar enters an adiabatic heat exchanger with a

steam at 1 bar enters an adiabatic heat exchanger with a quality of 0.901 and exits as a saturated liquid. the steam is

  It is estimated that the refrigerator removes 3300 kjhr

1. a commercial refrigerator keeps food fresh at -12 ordmc. it is estimated that the refrigerator removes 3300 kjhr

  Determine a the proper distance between compressor

a natural gas methane pipeline is to be designed to transport the gas at a rate of 50000 scfm. the pipe is to be 6

  What is the elastic modulus of elasticity

a standard steel specimen of 13 mm diameter elongated 22 mm when it was subjected to a tensile force of 29.5 kN if the specimen has a length of 200 mm and that force applied within elastic range. what is the elastic modulus of elasticity ?

  Wet steam p128 kpa x090 enters a heat exchanger with a

wet steam p12.8 kpa x0.90 enters a heat exchanger with a flow rate of 1.2 kgs. cold water at 12.8 kpa and k also

  Consider steady flow of a constant property fluid in a long

consider steady flow of a constant property fluid in a long duct formed by two parallel planes. consider a point

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