Mechanics Of Materials Question Paper of 3rd Semester AE Download Previous Years Question Paper 10

Roll No. ......................

Total No. of Questions : 09]

B. Tech. (Sem. – 3rd)

MECHANICS OF MATERIALS

SUBJECT CODE : BTAE-304

Paper ID : [A1149]

Time : 03 Hours

Instruction to Candidates:

1. SECTION-A is COMPULSORY consisting of TEN questions carrying

TWO marks each.      

2. SECTION-B contains FIVE questions carrying FIVE marks each and

students has to attempt any FOUR questions.

3. SECTION-C contains THREE questions carrying TEN marks each and

students has to attempt any TWO questions.

SECTION-A

l. Answer briefly :

(a) For what purpose cores are used in a casting process?

(b) What is the main advantage of centrifugal casting?

(c) What is the difference between welding and brazing processes ?

(d) Name two industrial applications of spot welding.

(e) What is the main difference between hot rolling and cold rolling ?

(f) What is the significance of nose angle in a single point cutting tool ?

(g) What is the difference between boring and drilling operations ?

(h) Discuss the significance of the term ‘‘centre less’’ in centre less grinding.

(i) What is the main advantage of LBM process ?

(j) What is the fundamental difference between EDM and ECM

process ?

SECTION-B

2. What is a pattern ? Briefly discuss the various allowances associated with

patterns.

3. What is SAW process? Discuss its underlying principle, benefits and

limitations.

4. Discuss what is meant by deep drawing ? Discuss the main applications

and the underlying principle involved in this process.

5. What is the principle and purpose of cylindrical grinding? Discuss the

main benefit of this process.

6. Discuss the main principle, brief procedure and applications of Abrasive Water Jet Machining.

SECTION-C

7. With a neat and labelled diagram, explain the underlying principle, procedural steps to use, advantages and limitations of sand casting process.

8. Name the various commonly occurring welding defects during the use of

electric arc welding processes. Discuss their causes and remedial measures to be adopted to eliminate them.

9. Discuss the working principle and applications of Chemical Machining

process.