Materials and Construction Addition of __________ in steel can help in increasing the depth of hardness. Tungsten Nickel Vanadium Chromium Tungsten Nickel Vanadium Chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Do not require heat treatment for any of its applications Do not have good resilience properties Are used for leaf and coiled springs Is tempered at 850°C Do not require heat treatment for any of its applications Do not have good resilience properties Are used for leaf and coiled springs Is tempered at 850°C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium storage vessel can be used to store Hydrochloric acid (10%) None of these Ferrous sulphate Aqua regia Hydrochloric acid (10%) None of these Ferrous sulphate Aqua regia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability? Aluminium Lead Wrought iron Copper Aluminium Lead Wrought iron Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is an alloy of nickel and copper? Duriron Monel Hastelloy Inconel Duriron Monel Hastelloy Inconel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hot working of lead is carried out at 150° C 373° K 75° C Room temperature 150° C 373° K 75° C Room temperature ANSWER DOWNLOAD EXAMIANS APP
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