What is the correct answer?


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

Correct Answer :

A. Manganese

Related Questions

Which of the following has the highest modulus of elasticity (about 7… Out of the following, the joint produced by __________ has the lowest… Air-petrol ratio for maximum power generation in spark ignition engine… Which of the following pairs is not correctly matched? Which of the following materials has the poorest electrical conductivity? Pick out the correct statement Addition of __________ to steel does not help in improving its machinability. Strain hardening effect in a metal subjected to cold working is due to… A jet engine turbine blade is normally manufactured by Evaporative cooling process employs a combination of cooling and humidification… The refractory lining of the bottom in a basic electric arc furnace is… Babbitt lining is used on brass/bronze bearings to increase the Which of the following material handling equipments is not suitable for… Projection welding & stud welding is categorised as the __________ welding. __________ wire is never used for making the heating element. Rankine cycle comprises of two isothermal and two __________ processes. The __________ of a double acting reciprocating pump as compared to the… Difference at any instant between the value of the controlled variable… Which of the following is not the commercial name of poly-methyl-methacrylate… __________ cannot increase the fatigue strength of a material. Increase in temperature, in general results in the Solidification time of a molten metal in a casting is proportional to… Catalyst used in the 'catalytic converter' employed in automobile exhaust… Brittleness induced due to the presence of sulphur in steel can be reduced… What is the percentage of chromium in 18-4-1 high speed steel? Oxide layer formed on the non-ferrous metal surface after its annealing… Normalising does not __________ of a metal. Induced draft fans provided in large thermal power plant boilers have… Dephosphorization of molten pig iron is favoured by Materials having resistivity ranging from 1 to 100 ohm. cm is termed as