Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Is tempered at 850°C Do not require heat treatment for any of its applications Are used for leaf and coiled springs Do not have good resilience properties Is tempered at 850°C Do not require heat treatment for any of its applications Are used for leaf and coiled springs Do not have good resilience properties ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys. Beryllium Copper Manganese Iron Beryllium Copper Manganese Iron 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
Materials and Construction __________ is used for examining the macro-structure of a material. X-rays Metallurgical microscope Optical microscope Visual inspection by naked eye X-rays Metallurgical microscope Optical microscope Visual inspection by naked eye ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermoplastic resins are those polymers, which Has decreased plasticity at increasing temperature Can not be moulded None of these Easily deform under pressure at high temperature Has decreased plasticity at increasing temperature Can not be moulded None of these Easily deform under pressure at high temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum permissible sulphur content in steel is __________ percent. 0.015 0.805 0.505 0.055 0.015 0.805 0.505 0.055 ANSWER DOWNLOAD EXAMIANS APP
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