GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
31. | The rocks formed by gradual deposition, are called | ||
A. | sedimentary rocks | ||
B. | igneous rocks | ||
C. | metamorphic rocks | ||
D. | none of these. | ||
32. | Galvanising means covering iron with a thin coat of | ||
A. | tin | ||
B. | zinc | ||
C. | glaze | ||
D. | coal tar. | ||
33. | For preparing porcelains, the clay should be | ||
A. | sufficiently pure | ||
B. | of high degree of tanacity | ||
C. | of good plasticity | ||
D. | All the above. | ||
34. | Polymerization helps to improve the property of | ||
A. | strength | ||
B. | rigidity | ||
C. | elasticity | ||
D. | all of these. | ||
35. | Good quality stones must | ||
A. | be durable | ||
B. | be free from clay | ||
C. | resist action of acids | ||
D. | all the above. | ||