Basic civil engineering Q & A - Part 16

.Building Materials and Building Construction      

Answers are HIGHLIGHTED IN BOLD  


1 Slate is formed by metamorphic action on              
a) shale b) lime stone c) sand stone d) granite

2 Sandstone is a                                      
i) sedimentary rock
ii) aqueous rock
iii) siliceous rock
The correct answer is
a) only (i) b)  both (i) and (ii)
c)  both (i) and (iii) d)  all (i), (ii) and (iii)
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3 A good building stone should not absorb water more than
a) 5 % b) 10 % c) 15 % d) 20 %

4 Crushing strength of a good building stone should be more than
a) 50 MPa b) 100 MPa c) 150 MPa d) 200 MPa

5 Specific gravity for most of the building stones lies between
a) 1.5 to 2.0 b) 2.0 to 2.5 c) 2.5 to 3.0 d) 3.0 to 3.5 LIKE US NOW -->  Acivcrete

6 The age of a tree can be known by examining              
a) cambium layer b) annular rings
c) medullary rays d) heart wood

7 Sand stone is                                        
a) volcanic rock b) igneous rock
c) metamorphic rock d) sedimentary rock LIKE US NOW -->  Acivcrete

8 Common sand is a variety of                                  
a) caicite b) quartz c) felspar d) chlorite