Engineering Materials Free cutting steels Can be cut freely Is used where rapid machining is the prime requirement Contain carbon in free from Require minimum cutting force Can be cut freely Is used where rapid machining is the prime requirement Contain carbon in free from Require minimum cutting force ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of Ferrite and pearlite Mainly pearlite Mainly ferrite Pearlite and cementite Ferrite and pearlite Mainly pearlite Mainly ferrite Pearlite and cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The following element can't impart high strength at elevated temperature Silicon Magnesium Manganese Nickel Silicon Magnesium Manganese Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 80 RC 57 RC 48 RC 65 RC 80 RC 57 RC 48 RC 65 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Any one of these Change grain size Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Any one of these Change grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A coarse grained steel Is more ductile and has a greater tendency to distort during heat treatment Is less tough and has a greater tendency to distort during heat treatment Is more ductile and has a less tendency to distort during heat treatment Is less tough and has a less tendency to distort during heat treatment Is more ductile and has a greater tendency to distort during heat treatment Is less tough and has a greater tendency to distort during heat treatment Is more ductile and has a less tendency to distort during heat treatment Is less tough and has a less tendency to distort during heat treatment ANSWER DOWNLOAD EXAMIANS APP
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