Materials
Marble is quarried by
(a) Blasting (b) Excavation (c) Heating (d) Wedging Ans :- (d) Wedging Explanation :- Marble is quarried by wedging. This ...
The least dense rocks are found in
(a) Oceanic crust (b) Continental crust (c) The mantle (d) The core Ans :- (b) Continental crust Explanation :- The ...
For concrete to be used for making airport runway, the aggregate impact value should not be more than
(a) 30 % by weight (b) 25% by weight (c) 45% by weight (d) 10 % by weight Ans :- ...
The boundary between the crust and mantle is called as
(a) Bed rock (b) Moho (c) Benioff zone (d) Lithosphere Ans :- (b) Moho Explanation :- The boundary between the ...
What types of stresses lead to weathering of rock?
(a) Physical (c) Thermal (b) Chemical (d) All of the above Ans :- (d) All of the above Explanation :- Weathering ...
Which of the following statement is correct about the rocks and minerals?
(a) Shale and mica are metamorphic rocks (b) Quartz is igneous rock (c) Quartz is metamorphic rock (d) Quartz and ...
The colour of sedimentary rocks are usually determined by
(a) Nitrogen (b) Sulphate (c) Iron (d) Bacteria Ans :- (c) Iron Explanation :- The colour of sedimentary rocks are ...
Example of volcanic rocks is
(a) Basalt (b) Dolerite (c) Granite (d) Gypsum Ans :- (a) Basalt Explanation :- Volcanic rock is extrusive in nature ...
The light weight aggregates are obtained from
(a) sedimentary rocks (b) metamorphic rocks (c) igneous rocks (d) volcanic source Ans :- (d) volcanic source Explanation :- Igneous ...
The rocks which are deposited in layers and can be easily split along layers is known as
(a) metamorphic rock (b) sedimentary rock (c) Stratified rock (d) both (b) and (c) Ans :- (d) both (b) and ...
