Dnyaneshwar Vidyapeeth (Trust)

Assignment 3

 

ASSIGNMENT ENGINEERING MATERIALS

SUB –CODE- (EGR-D1208)             COURSE:  TECH QUIC DIPLOMA          SESSION - Summer

                                            BRANCH – Mechanical / Automobile

 

Q.1)  Solve.

1.     What are common examples of rubber / elastomer write any four  applications of rubber ?(page no. 5.5 )

2.     List the various types of Rubbers. (viz. Natural, synthetic etc). Explain anyone in detail. (page no.5.5 )

  1. What is thermoplastic ? Explain its properties. (page no.5.3 )
  2. What is thermosetting plastic? What are its properties?

                                                                                     (page no. 5.4)

5.     State the name of commonly used thermoplastic plastics with their applications. (page no.5.3 )

6.     State the name of commonly used thermosetting plastics with their applications. (page no.5.4 )

Q.2)    Solve.

1.     What is ceramics? Give its properties and applications.

                                                                                     (page no.5.6 )

2.     What is Abrasive ? Give its properties and applications.

                                                                              (page no.5.7 )

  1. What is Adhesives? (page no. 5.7)

4.     What is Cork ? Give its properties and applications.

                                                                                     (page no.5.7 )

5.     What is Asbestos ? Give its properties and applications.

                                                                                     (page no.5.8 )

6.     What do you mean by composite materials? Give its applications.

                                                                              (page no.5.10 )

Q.3)    Solve.

1.     What is powder metallurgy ? Where it is applicable in engineering practice ? (page no. 6.4)

2.     What is blending? How it is achieved? (page no. 6.6)

3.     What are self lubricated bearings? What is their working principle? (page no.3.6 )

  1. Explain  the magnaflux method of testing with neat sketch.

                                                                          (page no.6.16 )

1.     Explain the liquid penetrate method with neat sketch.

                                                                     (page no.6.20 )                      

2.     Explain with working principle the ultrasonic method of testing.

                                                                            (page no.6.22 )

3.     Explain the radiographic method of testing with neat sketch.

                                                                      (page no.6.25 )

 

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