Council for Technical Education and Vocational Training Office of the Controller of Examinations
Sanothimi Bhaktapur
Regular/Back Exam-2076, Magh/falgun
Program: Diploma in Civil Engineering/ Hydro Power Engineering
Full Marks:80
Pass Marks: 32
Year/ Part: I/II (2013,2017)
Time: 3 hrs.
Subject: Engineering Materials
Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.
Attempt Any FIVE questions.
1.a) What are the characteristics of good building stones? Write advantages of dressing of stone at quarry site.
b) Explain the classification of brick. Explain the procedure for compressive strength test of bricks.
2.a) Explain the method of laying of stone as building units. How specific gravity of stone is determined?
b) Write down the composition of brick earth. Write the function of any five constituents of brick.
3.a) What are the properties of good tile? Explain briefly about pot tile & corrugated tiles
b) Explain the wet process of manufacturing of cement with the help of flow diagram.
4.a) Define consistency of cement? Explain about Boguec ompound of cement. [2+6]
b) Show the cross-section of exogenous tree. Explain 3/3 defect with figure during growth & after felling of trees. What are the outs & after feding to carbon
5.a) What are the various types of steel according to carbon contents? What is stainless steel? Write protection of ferrous metals.
b) What are the main function of paints? Describe the essential constituents of paints. [4+4]
6. Write short notes on: (Any Four)[4x4=16]
a) Plaster of paris
b) Calcinations & slaking of cement
c) Compression test of stone
d)Water absorption test of stone
e) Method of preservation of timber.
Good Luck!
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