Materials and Construction The formation of oxide film on a metal due to atmospheric exposure reduces its Toughness Stiffness All of these Creep limit Toughness Stiffness All of these Creep limit ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material for high pressure vessel operating at 500 atm. and 500° C is Mild steel Molybdenum stainless steel 18/8 stainless steel High silicon iron (14% Si) Mild steel Molybdenum stainless steel 18/8 stainless steel High silicon iron (14% Si) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Above the highest Above the lowest Between the first & second Between the second & third Above the highest Above the lowest Between the first & second Between the second & third ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) 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 Do not require heat treatment for any of its applications Do not have good resilience properties ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The fermentor used for the production of ethyl alcohol from molasses is made of Procelain Wood Copper bearing steel Concrete Procelain Wood Copper bearing steel Concrete ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic recuperators are generally made of High alumina bricks Fireclay bricks Silicon carbide Calcium carbide High alumina bricks Fireclay bricks Silicon carbide Calcium carbide ANSWER DOWNLOAD EXAMIANS APP