List of top Mechanical Engineering Questions on Metallurgy

Match List-I with List-II.

List-IList-II
A. Gun metal
B. Monel
C. Inconel
D. Nichrome		I. Nickel 68%, Copper 29%, Others 3%
II. Nickel 65%, Chromium 15%, Iron 20%
III. Copper 88%, Tin 10%, Zinc 2%
IV. Nickel 80%, Chromium 14%, Iron 6%

Choose the correct order of different alloying elements present in stainless steel based on their percentage composition: A. Ni (Nickel)
B. Fe (Iron)
C. Cr (Chromium)
D. C (Carbon)
Assertion (A): Aluminium has poor weldability.
Reason (R): Aluminium has high thermal conductivity and high affinity to oxygen.