Maximum change in the hardness of martensite occurs in the carbon content range of _____________ percent in steel?

Related Mcqs:

Boiler tube size is specified by its thickness and _____________________ diameter ?

A. Outside B. Inside C. Mean D. None of these...

________________ is a special constituent of chlorophyll without which photosynthesis is not possible ?

A. Calcium B. Nitrogen C. Phosphorous D. Hydrogen...

Wavelength of radiation emitted by a body depends on the ________________ of its surface?

A. Temperature B. Area C. Nature D. All ‘A’, ‘B’ & ‘C’...

Often earing defects are found during deep drawing operation, because the __________________?

A. Surface finish of the sheet is poor B. Sheet material has been given substantial spring back C. Starting sheet has planer anisotropy due to its texture D. Starting sheet has normal anisotropy due to its texture...

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type________________?

A. Parallel flow with equal heat capacities B. Counter flow with equal heat capacities C. Counter flow with unequal heat capacities D. Parallel flow with unequal heat capacities...