Materials and Construction A material capable of undergoing large permanent deformation, when subjected to tension is termed as Ductile Brittle None of these Friable Ductile Brittle None of these Friable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Increases its strength Makes it brittle Increases its hardness Is desirable Increases its strength Makes it brittle Increases its hardness Is desirable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by condensation polymerisation? Polythene Polystyrene Bakelite Poly vinyl chloride Polythene Polystyrene Bakelite Poly vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphur melting pit in the sulphuric acid plant is made of Cast iron Lead lined stainless steel Hard wood Steel or cement-brick lined Cast iron Lead lined stainless steel Hard wood Steel or cement-brick lined ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Corrosive Both A & B Abrasive Neither A nor B Corrosive Both A & B Abrasive Neither A nor B 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