Engineering Materials The purpose of heat treatment is to Any one of these Modify the structure of the material Change grain size Relieve the stresses set up in the material after hot or cold working Any one of these Modify the structure of the material Change grain size Relieve the stresses set up in the material after hot or cold working ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. Remain same None of these Increases Decreases Remain same None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The metal suitable for bearings subjected to light loads, is Phosphor bronze White metal Silicon bronze Monel metal Phosphor bronze White metal Silicon bronze Monel metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Mild steel belongs to the following category High carbon steel Alloy steel Medium carbon steel Low carbon steel High carbon steel Alloy steel Medium carbon steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in low carbon steel is 0.15% 0.05% 0.5% 0.3% 0.15% 0.05% 0.5% 0.3% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 65 RC 57 RC 80 RC 48 RC 65 RC 57 RC 80 RC 48 ANSWER DOWNLOAD EXAMIANS APP
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