Home

What is the correct answer?

4

The hardenability of steel decreases with

A. Decrease in dislocation density

B. Increase in solutionising temperature

C. Increase in strength

D. Decrease in grain size

Correct Answer :

D. Decrease in grain size


Related Questions

Identify the correct statement. Dislocation cross-slip is difficult in those materials, which have Diffusion co-efficient of a metal in a solid solution depends upon its In electrical resistance welding, distortion results from the use of improper Which of the following emissions in the exhaust gas of an I.C. engine… The most detrimental impurity in high pressure boiler feed water is The dew point of moist air becomes __________ with decrease in its relative… Which of the following terminology is used for the temperature at which… The pressure outside a bubble/droplet of liquid is __________ the internal… Routing in production, planning & control is concerned with the Pressure required to increase the density of water by about 1% is __________… A material subjected __________ must have high resilience. Silicon in steel A high pressure boiler generates steam at a pressure greater than __________… The escape velocity of a body on earth which is independent of its mass… __________ of air does not increase with increase in temperature. The critical pressure at which the latent heat of vaporisation of steam… __________ test can be termed as the semidestructive test. If a nuclear reactor produces more fissile nuclear fuel than it consumes,… Shaft/rotor speed is most accurately measured by a Corrosion rate cannot be lowered by reducing the __________ of the corroding… The refractory lining of the bottom in a basic electric arc furnace is… In case of simple harmonic motion, displacement is proportional to the In connection with corrosion of metals, passivation is the process that All the atoms of the world comprise of electrons, proton & neutron except… An oxidation process is accompanied with decrease in the Which of the following is the largest quantum of pressure? Rankine cycle comprises of two isothermal and two __________ processes. Stellite is a __________ material. The difference in one unit of Rockwell hardness number corresponds to…