Engineering Materials Preheating is essential in welding High speed steel All of these All nonferrous materials Cast iron High speed steel All of these All nonferrous materials Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase wear resistance Increase hardenability Reduce machinability Increase endurance strength Increase wear resistance Increase hardenability Reduce machinability Increase endurance strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Pearlite Austenite Martensite Cementite Pearlite Austenite Martensite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Crystal structure of a material is, generally, examined by Naked eye Optical microscope X-ray techniques Metallurgical microscope Naked eye Optical microscope X-ray techniques Metallurgical microscope ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin and lead Tin, lead and silver Tin, lead and small percentage of antimony Tin and copper Tin and lead Tin, lead and silver Tin, lead and small percentage of antimony Tin and copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver contains 1% silver 2% silver 5% silver No silver 1% silver 2% silver 5% silver No silver ANSWER DOWNLOAD EXAMIANS APP
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