Case hardening of a material is__________________?

Chemical Engineering Basics 09/01/2021

A. Followed by tempering or carburising
B. Preceded by its tempering
C. Done to get a soft ductile interior with a very hard surface
D. Carried out to get extreme hardness in its core

Related Mcqs:

    The thickness of oxide film is y at time t. If K1, K2 and K3 are the temperature dependent constants, the parabolic law of oxidation is given by __________________?
    A. y2 = 2k1t + k2 B. y = k1 ln (k2t + k3) C. y = k1 t + k2 D. y = k1t3 + k2...
    Minimum number of members required to form a Public Limited Joint Stock Com-pany is___________________?
    A. 7 B. 10 C. 12 D. 17...
    Corrosion is____________________?
    A. A physical phenomenon B. A chemical phenomenon C. Same as erosion D. An uncontrollable phenomenon...
    Runge-Kutta method is used to solve a/an __________________________?
    A. Ordinary differential equation of nth order B. Simultaneous non-linear equation C. Linear differential equation D. None of these...
    Wrought iron is never shaped by__________________?
    A. Casting B. Cold working C. Forging D. Welding...

Leave a Reply

Your email address will not be published.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