Materials and Construction With increase in carbide/graphite ratio in cast iron, its Ductility decreases Hardness & brittleness increases Neither A nor B Both A & B Ductility decreases Hardness & brittleness increases Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following comprises of hydrocarbons? None of these Mica flakes Glass Rubber None of these Mica flakes Glass Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ability of a material to __________ is indicated by its damping capacity. Absorb vibration None of these Withstand compression Absorb shock Absorb vibration None of these Withstand compression Absorb shock ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Both A & B Neither A nor B Abrasive Corrosive Both A & B Neither A nor B Abrasive Corrosive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum consumption of zinc is in Galvanising Electrical industry Alloying Utensil manufacture Galvanising Electrical industry Alloying Utensil manufacture ANSWER DOWNLOAD EXAMIANS APP
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 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 ANSWER DOWNLOAD EXAMIANS APP
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