| 1. | As per Mohs's scale, the hardness of Calcite & Fluorite (in that order) are: ? | |
|
1 & 2
|
||
|
2 & 1
|
||
|
3 & 4
|
||
|
4 & 3
|
||
View Answer
Discuss in Forum
Report Question| 2. | Basalt is a dark coloured igneous rock which is extensively used as road metal. Its crushing strength lies between: ? | |
|
1000-2000 kg/cm²
|
||
|
2000-3000 kg/cm²
|
||
|
3000-4000 kg/cm²
|
||
|
4000-5000 kg/cm²
|
||
| 3. | Bituminous coal - which is also known as common coal, cooking coal, etc.-contains carbon upto the maximum extent of ? | |
|
30%
|
||
|
50%
|
||
|
60%
|
||
|
90%
|
||
| 4. | The rock used for roofing is: ? | |
|
Basalt
|
||
|
Granite
|
||
|
Slate
|
||
|
Pumice
|
||
| 5. | Lignite - which is also known as brown coal-contains carbon upto the extent of: ? | |
|
30%
|
||
|
70%
|
||
|
95%
|
||
|
none of the above
|
||
| 6. | In stone masonry, stones (stratified rocks) are so placed that the direction of pressure acts: ? | |
|
at right angles to the plane of bedding
|
||
|
at 45 to the plane of bedding
|
||
|
at 60 to the plane of bedding
|
||
|
parallel to the plane of the bedding
|
||
| 7. | Which of the following theories are related to the origin of earth: ? | |
|
the tidal hypothesis
|
||
|
the nebular hypothesis
|
||
|
the planetesimal hypothesis
|
||
|
all the above
|
||
| 8. | In stone masonry, if stones are so placed that their layers are parallel to the direction of load, they: ? | |
|
split easily
|
||
|
are affected by moisture
|
||
|
all the above
|
||
|
none of the above
|
||
| 9. | Laterite is found in ? | |
|
U.P.
|
||
|
Punjab
|
||
|
West Bengal
|
||
|
Kerala
|
||
| 10. | As per Mohs's scale, the hardness of Apatite & Orthoclase (in that order) are ? | |
|
5 & 6
|
||
|
6 & 5
|
||
|
7 & 6
|
||
|
8 & 7
|
||