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 Is tempered at 850°C Do not have good resilience properties Are used for leaf and coiled springs Do not require heat treatment for any of its applications Is tempered at 850°C Do not have good resilience properties Are used for leaf and coiled springs ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in carbide/graphite ratio in cast iron, its Both A & B Hardness & brittleness increases Neither A nor B Ductility decreases Both A & B Hardness & brittleness increases Neither A nor B Ductility decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most elastic material? Steel Glass Plastic Rubber Steel Glass Plastic Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nitriding of steel is a process for Case hardening Normalising Annealing Spheroidising Case hardening Normalising Annealing Spheroidising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is used for making Drop forging Fish plates Channels Die block Drop forging Fish plates Channels Die block ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Purity of electrical grade aluminium should be ≥ __________ percent. 99.5 85 95 90 99.5 85 95 90 ANSWER DOWNLOAD EXAMIANS APP
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