Cold working of a material results in increase in hardness, which is termed as the __________ hardening. (A) Cold (B) Work (C) Age (D) Induction

Cold working of a material results in increase in hardness, which is termed as the __________ hardening.
(A) Cold
(B) Work
(C) Age
(D) Induction
by

1 Answer

Answer :

(B) Work
by

Related questions

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Last Answer : (A) Work

__________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working. (A) Solid solution hardening (B) Screw dislocation (C) Strain ageing (D) Twinning

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Last Answer : (C) Strain ageing

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Hardening of the arteries due to deposition of cholesterol on arterial wall is termed as:

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Last Answer : (D) All (A), (B) and (C)

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Explain induction hardening process.

Description : Explain induction hardening process.

Last Answer : Induction hardening - The process of the surface hardening by inductive heating is known as induction hardening. A high frequency current is passed through the inductor blocks which surround the gear to ... time, the circuit is opened and water is sprayed immediately on the surface for quenching.

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Last Answer : (C) Annealing

To counteract the bad effects of strain hardening on a cold formed part, it must be (A) Tempered (B) Normalised (C) Annealed (D) Hardened

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When interpreting the results of a Mantoux test, the nurse explains to the patient that a reaction occurs when the intradermal injection site shows a) redness and induration. The site is inspected for redness and palpated for hardening. b) drainage. Drainage at the site does not indicate a reaction to the tubercle bacillus. c) tissue sloughing. Sloughing of tissue at the site of injection does not indicate a reaction to the tubercle bacillus. d) bruising. Bruising of tissue at the site may occur from the injection, but does not indicate a reaction to the tubercle bacillus.

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Hot & cold working of material causes its __________ deformation. (A) Visco-elastic (B) Isotropic (C) Elastic (D) Plastic

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Elimination of brittleness resulting from welding of saw blades is done by __________ of the welded portion. (A) Annealing (B) Toughening (C) Work hardening (D) Tempering

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Sub zero treatment of steel is done to (A) Suppress martensite transformation (B) Enhance its working performance in sub zero atmosphere (C) Reduce the retained austenite in hardened steel (D) Induce temper brittleness after its hardening

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. Age hardening is connected with (A) Babbitt metal (B) Gun metal (C) Stainless steel (D) Duralumin

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A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? (A) Flow rate of inlet air (B) Relative humidity of outlet air (C) Humidity of inlet air (D) Temperature of the solid

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Last Answer : (D) Temperature of the solid

In a mixer, the quantity, (v. L/D) is termed as __________ number (where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). (A) Weber (B) Peclet (C) Brinkman (D) Schmidt

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Conditioners like finely divided peat are added to the fertiliser to (A) Counteract burning (B) Avoid caking & hardening (C) Produce bulk (D) Increase its solubility

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Last Answer : (B) 0.2

Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. (A) Increases (B) Decreases (C) Does not affect

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Last Answer : (B) Decreases