Question

A coal seam is exposed on a horizontal ground. If it is 30° towards West. Its width of outcrop on a level ground is 360 m. What is its true thickness?

a.

120 m

b.

150 m

c.

160 m

d.

180 m

Answer: (d).180 m

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. A coal seam is exposed on a horizontal ground. If it is 30° towards West. Its width of outcrop on a level ground is 360 m. What is its true thickness?

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. At a dam site, a bed of sandstone is exposed on horizontal ground. If it is 25° towards East. Its width of outcrop on a level ground is 240 m, what is its vertical thickness?

Q. The study of outcrop dimensions doesn’t involve which of the following aspect?

Q. Foliation is a primary structure of which type of rock?

Q. The dip of a layer measured in the direction that is at the right angle to strike is _____________

Q. The branch of geology which deals with various aspects of rocks is ________________

Q. What are the two conditions believed to be required for the formation of igneous rocks?

Q. What is the state of lava or magma?

Q. Where are the volcanic rocks formed?

Q. What is the grain size of volcanic rocks?

Q. Magma is hypothetical melt.

Q. The plutonic rocks are formed at depths below the earth’s surface ranging

Q. The rock is coarse grained in __________

Q. Pick the plutonic igneous rock.

Q. The rocks which exhibit mixed characteristics of volcanic and plutonic rocks are __________

Q. Porphyries are examples of which type of rocks?

Q. Which is the most dominant constituent of igneous rock?

Q. The mineral most abundantly present in the igneous rocks is __________

Q. What is the approximate percentage of silica present in the igneous rocks?

Q. Pick the option which does not determine the texture of igneous rocks.

Q. The texture which the characteristics in between granitic and felsitic are ______________

Recommended Subjects

Are you eager to expand your knowledge beyond Engineering Geology? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!