 # Diploma Strength of Materials CAT 1Model Question paper

## Diploma Strength of Materials CAT 1Model Question paper

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We have added Diploma Strength of Materials CAT 1Model Question paper (N Scheme Pattern) for the second year Diploma Mechanical Engineering Students. You can download Diploma Strength of Materials CAT 1Model Question paper as PDF

CAT TEST 1 MODEL QUESTION PAPER

STRENGTH OF MATERIALS

Department: Mechanical Engineering        Year : II          Semester : III

TEST PORTIONS: UNIT 1 & 2                                     Maximum Marks = 50

Part – A (Three Marks, Answer all the questions)                       5 x 3 = 15 Marks

1. What is meant by hardness?
2. State law of static friction.
3. Describe the types of Cast Iron.
4. A circular bar of 20mm diameter and 300mm long carries a tensile load of 30KN. Find the stress, strain and elongation of the bar. Take E = 2 × 105N/mm2 .
5. Enumerate strain energy.

Part – B (Answer all the Questions, All Question carries Equal Marks)   35 Marks

1. Explain the effects of impurities in Cast Iron (7 Marks)
2. Sketch and explain the stress – strain diagram for a mild steel specimen with its salient points. (7 Marks)
3. List and explain the various types of steels (7 Marks)
4. A steel rod 2m long and 20mm diameter is subjected to an axial pull of 45KN. Find the change in dimensions of the rod. Assume E = 2 × 105 N/mm2 and Poisson’s ratio as 0.3. (14 Marks)

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