Hardness of upper bainite (acicular structure) is about___________________?

Related Mcqs:

A reversible change in the atomic structure of steel with corresponding change in the properties is known as___________________?

A. molecular change B. physical change C. allotropic change D. solidus change E. atomic change...

Hardness of steel depends on_________________?

A. amount of carbon it contains B. the shape and distribution of the car-bides in iron C. method of fabrication D. contents of alloying elements E. the quality of ore from which it is made...

Brass (alloy of copper and zinc) is an example of__________________?

A. substitutional solid solution B. interstitial solid solution C. intermetallic compounds D. all of the above E. none of the above...

Balls for ball bearings are made of_________________?

A. cast iron B. mild steel C. stainless steel D. carbon-chrome steel E. high carbon steel...

Basic solution is one which has pH value___________________?

A. greater than 7 B. equal to 7 C. less than 7 D. pH value has nothing to do with basic solution E. none of the above...