Hardening of steel is not possible, unless it is heated _________________ critical point ?

Chemical Engineering Basics 10/12/2021

A. Above the highest
B. Above the lowest
C. Between the first & second
D. Between the second & third

Related Mcqs:

    Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an ______________ body?
    A. Grey B. Black C. Opaque D. White...
    Strain hardening effect in metals subjected to cold working is due to the _______________ mechanism?
    A. Slip B. Fracture C. Winning D. Dislocation...
    Lead pencil contains____________________?
    A. Graphite B. Lead sulphide C. Lead D. Both B. & C....
    Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used ?
    A. Vapour locking B. Hot starting C. Spark plug fouling D. All A, B & C...
    Magnesium is present in___________________?
    A. Haemoglobin B. Chlorophyll C. Hypo solution D. None of these...

Leave a Reply

Your email address will not be published. Required fields are marked *