_____________________ of austenite decreases the hardenability in steel ?

Related Mcqs:

Colour comparator is used to measure the___________________?

A. pH value B. Electrode potential C. Colour intensity D. None of these...

Damage to metal surface by mechanical action is called____________________?

A. Pitting B. Corrosion C. Erosion D. None of these...

Silicon in steel__________________?

A. Makes it usable in almost all magnetic circuits where alternating current is used B. Increases its electrical resistivity and decreases the hysteresis loss C. Is present upto 5% & 4% respectively when used in transformers & motor armatures D. All ‘A’, ‘B’ & ‘C’...

Which of the following is a commonly used manometric liquid for low pressure range ?

A. Ethyl alcohol B. Carbon tetrachloride C. Glycerol D. Ethylene glycol...

The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be_______________?

A. Parabolic B. Hyperbolic C. Straight line D. None of these...