Which of the following heat treatment processes is used for softening the hardened material?

Normalising
Tempering
Annealing
None of these

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 2

Let'

4 views Answered 2022-09-01 13:21

Related Questions

The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is?

1 Answers 4 Views

Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent.?

1 Answers 5 Views

Sensible heat factor is given by (where S.H. = Sensible heat, and L.H. = Latent heat)?

1 Answers 7 Views

Fourier's law of heat conduction is (where Q = Amount of heat flow through the body in unit time, A = Surface area of heat flow, taken at right angles to the direction of heat flow, dT = Temperature difference on the two faces of the body, dx = Thickness of the body, through which the heat flows, taken along the direction of heat flow, and k = Thermal conductivity of the body)?

1 Answers 4 Views

Resistance to heat flow by conduction is proportional to (where, t & ρ are thickness & density of the material respectively and A = area normal to the direction of heat flow. )?

1 Answers 5 Views

Fouling factor for a heat exchanger is given by (where, U₁ = heat transfer co-efficient of dirty surface U₂ = heat transfer co-efficient of clean surface)?

1 Answers 9 Views

Which of the following heat treatment processes is usually applied to castings ?

1 Answers 5 Views

An orthotropic material is a special class of anisotropic material, which is described by their properties in three perpendicular directions. An example of orthotropic material is?

1 Answers 5 Views

Which of the following processes is involved in the biochemical treatment of sewage effluents?

1 Answers 4 Views

In a heating process, a heat flow diagram in which the quantities of heat in the various items of a heat balance are represented by the width of a band is called the?

1 Answers 5 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)