What is the correct answer?


In grey cast iron, carbon is present in the form of

A. Cementite

B. Free carbon

C. Flakes

D. Spheroids

Correct Answer :

C. Flakes

Related Questions

In high speed steels, manganese is used to tougher the metal and to increase… The charge is fed into the blast furnace through the Gamma iron exits at following temperature The main alloying elements high speed steel in order of increasing proportion… Surveying tapes are made of a material having low coefficient of expansion… Cartridge brass can be Alnico, an alloy used extensively for permanent magnets contains iron,… Maximum percentage of carbon in austenite is The material widely used for making pendulums of clocks is When filing or machining cast iron makes our hands black, then it shows… Shock resisting steels should have Wrought iron is Bronze contains The hardness is the property of a material due to which it A reversible change in the atomic structure of the steel with a corresponding… Which of the following property is desirable for materials used in tools… In which of the following cases, consideration of creep is important Silicon when added to copper improves Dislocations in materials refer to the following type of defect In low carbon steels, presence of small quantities of sulphur improves A steel containing 16 to 18% chromium and about 0.12% carbon is called Which of the following material has nearly zero coefficient of expansion? Duralumin contains Compressive strength of grey cast iron in tonnes/cm is of the order of Which is the false statement about wrought iron? It has Which of the following impurity in cast iron makes it hard and brittle? The maximum internal diameter of a blast furnace is about Beryllium bronze contains When steel containing less than 0.8% carbon is cooled slowly from temperatures… The machinability of steel is increased by