Engineering Materials(AE503) - Question Paper 2072 chaitra B.Agri II/I

Subject:- Engineering Materials(AE503)

Exam	Regular
Level	BE	Full Marks	40
Program	B. Agri	Pass mark	16
Year/part	II/I	Time	3 hrs

Tribhuwan University Institute of Engineering Examination Control Division 2072 Chaitra

ü  Candidates are required to give their answer in their own words as far as practicable.

ü  Attempt All questions.

ü  The figures in the margin indicate Full marks.

ü  Assume suitable data if necessary.

1.        List out Physical and Mechanical properties of Building Materials. [3]

2.        What is steel Alloy? Explain various defects in steel in brief. [1+3]

3.        A. Explain corrosion and its prevention in brief. [4]

B. Make a note on heat treatment of steel. [3]

4.        Define the seasoning of timber. Explain properties of good timber in brief. [1+4]

5.        A. list out the various types of glass. [2]

B. Explain various constituents of good brick earth in brief. [4]

6.        A. Describe ingredients of cements and their function in brief. [4]

B. What is slaking of lime? List out various types of lime and explain any one in brief. [1+3]

7.        Define and differentiate between Bitumen and Tar. [1+3]

8.        Make a note on polymers. [3]

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Source:- Department of agricultural engineering,                                             Technical support:- Paudelpadamprasad