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 Stainless steel is not corroded by Saturated brine Nitric acid (10%) Sulphuric acid (10%) Hydrochloric acid (10%) Saturated brine Nitric acid (10%) Sulphuric acid (10%) Hydrochloric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal (used for making bearings) comprises of Copper and aluminium Zinc and aluminium Saw dust and iron dust mixture Mainly tin (85%) and lead Copper and aluminium Zinc and aluminium Saw dust and iron dust mixture Mainly tin (85%) and lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material is able to retain the deformation permanently by virtue of its Elasticity Ductility Plasticity Malleability Elasticity Ductility Plasticity Malleability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In cold working of metal as compared to its hot working Appreciable strain hardening is produced Yield stress, hardness and fatigue strength is not at all affected Cracks and blow holes are eliminated Ductility and impact strength improves Appreciable strain hardening is produced Yield stress, hardness and fatigue strength is not at all affected Cracks and blow holes are eliminated Ductility and impact strength improves ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most elastic material? Rubber Glass Steel Plastic Rubber Glass Steel Plastic ANSWER DOWNLOAD EXAMIANS APP