What is the correct answer?


Addition of manganese to aluminium results in

A. Improvement of casting characteristics

B. Improvement of corrosion resistance

C. One of the best known age and precipitation hardening systems

D. Improving machinability

Correct Answer :

B. Improvement of corrosion resistance

Related Questions

The ability of a material to resist softening at high temperature is known… Neutral solution is one which has pH value Gamma-iron occurs between the temperature ranges of Macrostructure of a material is, generally, examined by The unique property of cast iron is its high In the lower part of the blast furnace (zone of fusion), the temperature… The molecules in a solid move Which is false statement about annealing? Annealing is done to Constantan an alloy used in thermocouples is an alloy of The temperature at which ferromagnetic alpha iron transforms to paramagnetic… Which of the following statement is incorrect about duralumin? The composition of silver solder is Which of the following is added in low carbon steels to prevent them from… Beryllium bronze has The hardness of steel primarily depends on A steel containing 16 to 18% chromium and about 0.12% carbon is called Which of the following is used for bearing liner? Slow plastic deformation of metals under a constant stress is known as Phosphor bronze contains According to Indian standard specifications, plain carbon steel designated… The alloying element which reduces the formation of iron sulphide in steel… Which of the following statement is true about brittle fracture? Eutectoid steel consists of The silicon steel is widely used for The hardness and tensile strength in austenitic stainless steel can be… Iron ore is, usually, found in the form of The ratio of the volume occupied by the atoms to the total volume of the… Free cutting steels Corrosion resistance of steel is increased by adding The material in which the atoms are arranged regularly in some directions…