253. The 'bomb' in the bomb calorimeter is made of
254. Which of the following crystal structures characterises the ferritic stainless steel?
255. __________ is used for determining the tensile strength of steels.
256. Sheardising process is used for
257. Very high sulphur in pig iron makes
258. Which of the following has the highest compressive strength?
259. The range of Mho's scale of hardness is from
