Engineering Materials Which of the following statement is true about brittle fracture? Cup and cone formation is characteristic for brittle materials Brittle fracture is always preceded by noise Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture Cup and cone formation is characteristic for brittle materials Brittle fracture is always preceded by noise Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture High temperature and low strain rates favour brittle fracture ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has maximum ductility? Nickel Mild steel Aluminium Copper Nickel Mild steel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Crystal structure of a material is, generally, examined by X-ray techniques Naked eye Optical microscope Metallurgical microscope X-ray techniques Naked eye Optical microscope Metallurgical microscope 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 Pearlite and cementite Mainly pearlite Mainly ferrite Ferrite and pearlite Pearlite and cementite Mainly pearlite Mainly ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is an amorphous material? Lead Glass Silver Mica Lead Glass Silver Mica ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has No graphite A very high percentage of graphite A low percentage of graphite Graphite as its basic constituent of composition No graphite A very high percentage of graphite A low percentage of graphite Graphite as its basic constituent of composition ANSWER DOWNLOAD EXAMIANS APP
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