A. Cast iron
B. Hypo-eutectoid steel
C. Hyper-eutectoid steel
D. Eutectoid steel
Related Mcqs:
- Which of the following low melting alloy containing bismuth and lead is used for electric fuse ?
A. Wood’s metal
B. Babbitt metal
C. Monel metal
D. Duralumin - _______________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten ?
A. Stellite
B. High speed steel
C. Cermet
D. Alnico - Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when_________________?
A. Strain rate is increased
B. Grain size is increased
C. Prior cold deformation is increased
D. Not affected by any of the above parameters - ____________________ of hard alloy and tool steel is done to make it easily machinable ?
A. Case carburising
B. Tempering
C. Normalising
D. Annealing - Alloy powder manufactured by the following process have spherical shapes ?
A. Electrochemical deposition
B. Gaseous reduction
C. Atomisation
D. Mechanical attrition - Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing 50% B is_______________?
A. R ln 2
B. -R ln 2
C. 3 R ln 2
D. -3R ln 2 - Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and ___________________?
A. Manganese
B. Silicon
C. Nickel
D. Chromium - Oxide layer formed on the non-ferrous metal surface after its annealing is__________________?
A. Removed by acid pickling
B. Hammered into the surface
C. Removed with coarse emery cloth
D. Left as such to protect the surface - The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is__________________?
A. Magnesite
B. Chrome
C. Silica
D. Fireclay - The most abundant metal present in the earth’s crust is__________________?
A. Iron
B. Copper
C. Titanium
D. Aluminium
