Home

What is the correct answer?

4

The minimum carbon content in steel should be __________ percent for it to respond to a hardening treatment.

A. 0.2

B. 0.4

C. 0.6

D. 0.8

Correct Answer :

A. 0.2


Related Questions

The product of a commercial direct reduction process is During sensible cooling of air, its wet bulb temperature Between 230 and 370°C, blue brittleness is caused in mild steel because… The refractory brick which has good thermal shock resistance at high temperature… Lead pencil contains Cassiterite is an ore of Which of the following is the largest quantum of pressure? Brinell Hardness Number (BHN) for talc is approximately in the range of The wet bulb temperature is lower in dry air than in wet air at the same… Oxyacetylene reducing flame is used while carrying out welding on 'Dikes' are low height walls made around the storage vessels meant for… Air-petrol ratio in an automotive petrol engine is around Liquid nitrogen containers can be made from While the bin cards are used in the effective stores management, the queuing… A jet engine turbine blade is normally manufactured by Maximum consumption of limestone is in the __________ industry. Glycerine is used as a coolant in cooling of some engines instead of water,… Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2.… In an eutectic system, two elements are completely Most important property of steels for use in automobile bodies is the Annealing of white cast iron produces __________ iron. The noble metals Referring to the periodic table of elements, it is found that with increasing… Fire in fuel gas pipelines is extinguished most effectively by Pick out the wrong statement. In case of simple harmonic motion, displacement is proportional to the Internal energy of a gas obeying Van-Der- Waals equation of state, [p… Which of the following is the most suitable abrasive for grinding high… Colour comparator is used to measure the The same volume of all gases is representative of their