Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Ductility Malleability Electrical conductivity Tenacity & hardness Ductility Malleability Electrical conductivity Tenacity & hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following mechanical properties of a material is most structure insensitive? Tensile strength Percentage reduction of area Modulus of elasticity (young Toughness Tensile strength Percentage reduction of area Modulus of elasticity (young Toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The specific gravity of coal depends mainly on its __________ content. Carbon Ash Moisture Volatile matter Carbon Ash Moisture Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Lower critical Recrystallisation Eutectic Upper critical Lower critical Recrystallisation Eutectic Upper critical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron vessels are not suitable for the storage of Wet SO₂ Freon H₂SO₄ (95%) at room temperature H₂SO₄ (fuming) Wet SO₂ Freon H₂SO₄ (95%) at room temperature H₂SO₄ (fuming) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Approximate value of the modulus of elasticity for steel is about __________ x l0⁶kg/cm². 2 40 75 0.5 2 40 75 0.5 ANSWER DOWNLOAD EXAMIANS APP
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