Materials and Construction A chemical change takes place when iron Is heated Melts None of these Rusts Is heated Melts None of these Rusts ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese. 3.5-4.5 44021 1.5-2 44179 3.5-4.5 44021 1.5-2 44179 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The specific gravity of coal depends mainly on its __________ content. Carbon Ash Moisture Volatile matter Carbon Ash Moisture Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which metal is protected by the layer of its own oxide? Iron Aluminium Silver Calcium Iron Aluminium Silver Calcium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as Sheradising Parkerising Anodising None of these Sheradising Parkerising Anodising None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the Ultimate tensile strength (U.T.S.) Endurance limit None of these Elastic limit Ultimate tensile strength (U.T.S.) Endurance limit None of these Elastic limit ANSWER DOWNLOAD EXAMIANS APP
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