GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
16. | The percentage of alumina and silica in good fire clay vary respectively is | ||
A. | 25, 75 | ||
B. | 30, 70 | ||
C. | 35, 65 | ||
D. | All of these. | ||
17. | The term frog means | ||
A. | an apparatus to lift the stone | ||
B. | a depression on a face of brick | ||
C. | vertical joint in a brick work | ||
D. | soaking brick in water. | ||
18. | Asphalt is obtained from | ||
A. | petroleum distillation | ||
B. | bitumen distillation | ||
C. | plastic distillation | ||
D. | none of these. | ||
19. | To retard the initial setting time of cement, the compound responsible, is | ||
A. | Tricalcium silicate | ||
B. | Gypsum | ||
C. | Di-calcium silicate | ||
D. | Tri calcium aluminate. | ||
20. | Stones used for rubble masonry must be | ||
A. | soft | ||
B. | hard | ||
C. | light | ||
D. | heavy. | ||