McqMate
Chapters
| 1. |
The rocks formed due to solidification of molten mass are called. |
| A. | aqueous rocks |
| B. | sedimentary rocks |
| C. | metamorphic rocks |
| D. | igneous rocks |
| Answer» D. igneous rocks | |
| 2. |
Granite is an example of |
| A. | aqueous rocks |
| B. | sedimentary rocks |
| C. | metamorphic rocks |
| D. | igneous rocks |
| Answer» D. igneous rocks | |
| 3. |
Solidification of molten magma at the surface of the earth results in the formation of |
| A. | sedimentary rock |
| B. | basalt and traps |
| C. | granite |
| D. | metamorphic rock |
| Answer» B. basalt and traps | |
| 4. |
.Solidification of molten magma within the earth’s crust results in the formation of |
| A. | sedimentary rock |
| B. | basalt and trap |
| C. | granite |
| D. | metamorphic rack |
| Answer» C. granite | |
| 5. |
Sedimentary rocks are formed due to |
| A. | solidification of molten mass |
| B. | gradual deposition of materials like sand, clay, generally by setting water |
| C. | alteration of original stones under heat and pressure |
| D. | none of the above |
| Answer» B. gradual deposition of materials like sand, clay, generally by setting water | |
| 6. |
Under metamorphism, which of the following changes is correct? |
| A. | granite changes to gnesis. |
| B. | trap and basalt change into laterite. |
| C. | limestones change into marble. |
| D. | all the above |
| Answer» D. all the above | |
| 7. |
Granite has |
| A. | crystalline, glossy and fused texture |
| B. | foliated structure |
| C. | layers of different compositions |
| D. | none of the above |
| Answer» A. crystalline, glossy and fused texture | |
| 8. |
The principal constituent of argillaceous rock is |
| A. | Sand |
| B. | lime |
| C. | clay |
| D. | all the above |
| Answer» C. clay | |
| 9. |
Laterite is chemically classified as |
| A. | calcareous rock |
| B. | siliceous rock |
| C. | metamorphic rock |
| D. | argillaceous rock |
| Answer» D. argillaceous rock | |
| 10. |
Which of the following is an example of siliceous rock? |
| A. | granite |
| B. | gnesis |
| C. | quartzite |
| D. | all the above |
| Answer» C. quartzite | |
| 11. |
Marble is an example of |
| A. | aqueous rock |
| B. | metamorphic rock |
| C. | sedimentary rock |
| D. | igneous rock |
| Answer» B. metamorphic rock | |
| 12. |
Slate is used for |
| A. | building walls |
| B. | road metal |
| C. | manufacture of cement |
| D. | roofing |
| Answer» D. roofing | |
| 13. |
Which one of the following takes polish very well? |
| A. | basalt and trap |
| B. | granite |
| C. | sandstone |
| D. | quartzite |
| Answer» B. granite | |
| 14. |
The colour of granite is |
| A. | grey |
| B. | green |
| C. | brown |
| D. | all of these |
| Answer» D. all of these | |
| 15. |
A fine grained granite |
| A. | can be polished well |
| B. | can be used for exterior facing of buildings |
| C. | offers higher resistance to weathering |
| D. | all of the above |
| Answer» D. all of the above | |
| 16. |
Siliceous sand subjected to metamorphic action is known as |
| A. | laterite |
| B. | murram |
| C. | quartzite |
| D. | dolomite |
| Answer» C. quartzite | |
| 17. |
When quarrying is to be done in hard and compact rocks, the usual method employed is |
| A. | wedging |
| B. | using channeling machine |
| C. | blasting |
| D. | all of the above |
| Answer» C. blasting | |
| 18. |
Quarrying by using channeling machine is employed for quarrying in |
| A. | soft rock |
| B. | hard rock |
| C. | sandstones |
| D. | all the above |
| Answer» A. soft rock | |
| 19. |
Heating technique of breaking rocks is suitable if the aim is to get |
| A. | aggregates |
| B. | slabs |
| C. | building blocks |
| D. | none of the above |
| Answer» A. aggregates | |
| 20. |
The process of taking out stones of various sizes from natural rock is known as |
| A. | dressing |
| B. | seasoning |
| C. | polishing |
| D. | quarrying |
| Answer» D. quarrying | |
| 21. |
The process of giving required shape and size to stones is known as |
| A. | dressing |
| B. | seasoning |
| C. | polishing |
| D. | quarrying |
| Answer» A. dressing | |
| 22. |
Boasted finish of dressing stone is |
| A. | making non-continuous parallel marks |
| B. | giving finish to a 20 mm margin only at edges |
| C. | providing continuous lines on the face |
| D. | working out 30–50 mm wide margin around the face with chisel |
| Answer» A. making non-continuous parallel marks | |
| 23. |
Dressing of the stone is made |
| A. | immediately after quarrying |
| B. | after three months of quarrying |
| C. | just before using for building works |
| D. | after seasoning |
| Answer» A. immediately after quarrying | |
| 24. |
The most powerful explosive used in blasting is. |
| A. | gunpowder |
| B. | guncotton |
| C. | dynamite |
| D. | cordite |
| Answer» B. guncotton | |
| 25. |
Moisture absorption of a good stone should be less than |
| A. | 1% |
| B. | 5% |
| C. | 8% |
| D. | 12% |
| Answer» B. 5% | |
| 26. |
Most of the stones possess the specific gravity in the range of |
| A. | 1.2 – 1.6 |
| B. | 1.6 – 2.0 |
| C. | 2.4 – 2.8 |
| D. | 3.0 – 4.0 |
| Answer» C. 2.4 – 2.8 | |
| 27. |
Limestone used for manufacture of cement is |
| A. | kankar |
| B. | magnesium limestone |
| C. | compact limestone |
| D. | granular limestone |
| Answer» A. kankar | |
| 28. |
Which of the following has the highest crushing strength? |
| A. | granite |
| B. | gneiss |
| C. | basalt |
| D. | trap |
| Answer» D. trap | |
| 29. |
Which of the following stone has the highest resistance to fire? |
| A. | granite |
| B. | limestone |
| C. | sandstone |
| D. | argillaceous material |
| Answer» D. argillaceous material | |
| 30. |
Smith’s test on stone is to check |
| A. | toughness |
| B. | hardness |
| C. | compressive strength |
| D. | presence of muddy substance |
| Answer» D. presence of muddy substance | |
| 31. |
Los Angeles testing machine is used to find the following. In stone |
| A. | surface wear |
| B. | hardness |
| C. | compressive strength |
| D. | presence of mud |
| Answer» A. surface wear | |
| 32. |
Impact value of stone for road work specified are |
| A. | wearing coat 30% |
| B. | bituminous macadam 35% |
| C. | water bound macadam 40% |
| D. | all the above |
| Answer» D. all the above | |
| 33. |
Deterioration of stones takes place due to |
| A. | temperature variation |
| B. | freezing and thawing |
| C. | rainwater |
| D. | all of the above |
| Answer» D. all of the above | |
| 34. |
Which one of the follo ing is not a preservative of stone |
| A. | coal tar |
| B. | paraffin |
| C. | linseed oil |
| D. | ASCU |
| Answer» D. ASCU | |
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