Anna University Special Steels and Non Ferrous Alloys Model Paper
TIME – 3 Hours MAXIMUM : 100 Marks
PART – A (10 x 2 = 20 Marks)
ANSWER ALL QUESTIONS
1.Give four application of HSLA steels.
2.Give the purpose of vanadium and chromium addition to cool steels
3.What are the application of Aluminum Lithium alloys?
4.Why magnesium alloys gaining importance in automotive applications?
5.Distinguish between brass and bronze.
6.Write the chemical composition of naval brass and mention an important characteristic of it.
7.What are babbits?
8.What are hasfield steels and mention an important application ?
9.Why it is difficult to work harden lead at room temperature?
10.What are super alloys?
PART – B (5 x 16 = 80 Marks)
11. Discuss the important properties, composite applications and
limitations of ferritic, austenitic, martensitic, precipitation
hardenable stainless steels. (4×4=16)
12.(a) (i) Discuss the phase diagram of copper rich portion of
copper –zinc system. (10)
(ii) Write a brief note on properties and applications of
metallic copper. (6)
( OR )
b) (i) Write a short essay on tin bronze. (8)
(ii) Discuss the properties, applications and composition of
Cu – Ni and Cu – Cr alloys. (8)
13a) (i) Write the classification of aluminum alloys and briefly
discuss the alloy designation and temper designation. (8)
(ii) Discuss the different steps in the age hardening of
aluminum alloys. (8)
b) (i) Give the composition, properties, applications and limitation
of any two magnesium based alloys. (8)
(ii) How are titanium alloys classified? (4)
(iii) Write a brief note on titanium aluminide (4)
14.a)(i) Discuss Nickel based super alloys with reference to alloying
elements, strengthening mechanisms, properties and application (12)
(ii) Write a brief note on Nickel Aluminates (4)
( OR )
b) (i) Discuss the use of Zn in corrosion protection of ferrous
materials and its alloys in die casting applications. (8)
(ii) Write short notes on bearing metals and solders (8)
15.a) Write short note on the following.
(i) Tools Steels (6)
(ii) HSLA Stells (6)
(iii) Transformer steels (4)
( OR )
b) Discuss in detail the engineering properties and applications
of noble metals and their alloys. (16)