GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
11. | Portland pozzolana cement possesses | ||
A. | higher resistance to chemical attack | ||
B. | lower heat of hydration | ||
C. | lower shrinkage on drying | ||
D. | water tightness | ||
12. | Iron ore may contain | ||
A. | carbon | ||
B. | silicon | ||
C. | sulphur | ||
D. | phosphorus and maganese | ||
13. | Wrought iron is used for | ||
A. | structural works in beams | ||
B. | small sized water pipes | ||
C. | columns and struts | ||
D. | none to these. | ||
14. | The timber having maximum resistance against white ants, is obtained from | ||
A. | chir | ||
B. | shisham | ||
C. | sal | ||
D. | teak. | ||
15. | Knots in timber are | ||
A. | defects caused by crushing fibres | ||
B. | splits radiating from the centre | ||
C. | speckled strains | ||
D. | signs of branches cut off. | ||