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I/II Semester Diploma Examination, Nov./Dec. 2015 MECHANICAL ENGINEERING

(ii) Answer any two full questions from each Section– II, III, IV.

SECTION – I

1. Fill in the blanks :

1. (i)  ______ energy sources are inexhaustible.
2. (ii)  Bauxite is an ore of ______.
3. (iii)  In double start thread, lead is ______ the pitch.
4. (iv)  A good lubricant should have ______ volatility.

   SECTION – II

4 × 1 = 4

4 8

4

8 4 4

8 4 4

[Turn over

What is solar energy ? List the applications of solar energy.

(i) Elasticity (ii) Plasticity (iii) Hardness (iv) Toughness

(c) What are the advantages of Renewable Energy Sources ?

2. (b)  Write the different grades of steel and their composition.
3. (c)  Write a note on 18/8 stainless steel.

4. (a)

2. (b)  Write the uses of Lead and Tin.
3. (c)  Write a note on Duralumin.

Diploma MECHANICAL ENGINEERING(9ME-02M) Exam Question Paper DTE

State the properties and uses of copper.

Code : 9ME-02M

Register Number