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Geological Hazards MCQs Questions & Answers | Geological Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Geological Hazards. These resources are available for Geological engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Geological Hazards chapter is particularly important for students studying Geological engineering. Page-8 section-1

71
A landslide that involves a mixture of water-saturated debris is called:
Discuss
Answer & Solution
Answer: Option C
Solution:
Debris flow consists of saturated soil and rock moving rapidly downslope.It often occurs during intense rainfall or snowmelt.
72
The highest tsunami waves are usually recorded near:
Discuss
Answer & Solution
Answer: Option C
Solution:
Subduction zones are major earthquake-generating areas that often produce powerful tsunamis.The tectonic displacement lifts the sea floor rapidly.
73
Which phenomenon often accompanies a volcanic eruption and affects climate?
Discuss
Answer & Solution
Answer: Option C
Solution:
Ash clouds can enter the upper atmosphere, blocking sunlight and affecting global temperatures.They can also disrupt air travel.
74
What does a seismic gap represent?
Discuss
Answer & Solution
Answer: Option C
Solution:
Seismic gap is a segment of an active fault that has not experienced recent earthquakes.It may be building up stress and could be the site of a future quake.
75
Which engineering technique is commonly used to prevent rockfalls?
Discuss
Answer & Solution
Answer: Option D
Solution:
All of the above are used to stabilize slopes and prevent rockfalls.Rock bolts anchor loose rocks, gabions absorb energy, and shotcrete binds the surface.