Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Ductility Electrical conductivity Malleability Tenacity & hardness Ductility Electrical conductivity Malleability Tenacity & hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nickel in steel improves its All of these Corrosion resistance Wear resistance Cutting ability All of these Corrosion resistance Wear resistance Cutting ability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of copper? Admirability gun metal German silver Muntz metal Pewter metal Admirability gun metal German silver Muntz metal Pewter metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the Elastic limit None of these Ultimate tensile strength (U.T.S.) Endurance limit Elastic limit None of these Ultimate tensile strength (U.T.S.) Endurance limit ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Harden the surface Prevent the action of water Prevent the action of oxygen Increase its glossiness and lustre Harden the surface Prevent the action of water Prevent the action of oxygen Increase its glossiness and lustre ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70%? Cast iron Nickel Karbate Steel Cast iron Nickel Karbate Steel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS