• +91 9723535972
  • info@interviewmaterial.com

Metallurgy Engineering Interview Questions and Answers

Metallurgy Engineering Interview Questions and Answers

Question - 51 : - Which Method Has More Procity In Cast Part? Which Method Has More Strength In Cast Part?

Answer - 51 : -

The sand casting will have more porosity in the final product. The die cast will also have higher strength both because of the lower degree of porosity and because of the finer grain size. While I have not been directly involved in the production of cylinder blocks there are a number of reasons for the preference of diecasting versus sand casting. Diecasting provided a finer finish, greater tolerance, better repeatability, and generally higher quality casting. They used sand casting of the iron blocks and still do in many cases and initially the used this same method for aluminum.

However, the lower melting point of aluminum allows them to do the die casting method.

Question - 52 : - What Is The Strongest Metal?

Answer - 52 : -

If there is any specific metal with the highest strength, I got no information about that. Everyday a new high technology material with unique characteristics is introduced. Now, the concentration is on composite materials. I guess the highest strength must belong to a composite material likely with a titanium alloy or as the matrix. Alternatively, maybe a super alloy is the strongest one.

Question - 53 : - What Other Events In History Might Have Affected The Growth Of Metallurgy?

Answer - 53 : -

Now I can point out the World War II as a historical event that causes a great progress in metallurgy. For example, it was during WWII that Germans started manufacturing single body ships with the help of welding. However, in the cold waters of north the ships cracked and split into to parts and cracks initiated in the welds! In addition, that was when they realized that in cold environments metals tend to be brittle and welding could increase this tendency. It was the beginning of a great progress in welding techniques and mechanical metallurgy.

Question - 54 : - Is Brass Magnetic?

Answer - 54 : -

Brass is alloy of copper and zinc, of historical and enduring importance because of its hardness and workability.

However, brass is not magnetic, the basic magnetic elements are Iron, Cobalt and Nickel and their alloys. Then there are the new ceramic materials, which exhibit magnetic capabilities.

NCERT Solutions


Share your email for latest updates


Our partners