MCQ Rocks, Plate Tectonics, Earthquakes, Volcanoes SET 5ALL MCQ For Geology – Rocks, Plate Tectonics, Earthquakes, Volcanoes 1. The tectonically active volcanic mountain of Pacific Ocean is regarded asRing of Firemountain of fireRing of volcanoIsland of volcanoQuestion 1 of 152. A set of very deep cracks which is formed between two tectonic plates separating is called.drift zonethrift zonerift zonevolcanic zoneQuestion 2 of 153. A tectonic plate consists ofoceanic crustcontinental crustupper part of mantleall of themQuestion 3 of 154. When two tectonic plates move away separating from each other, gap is filled bycrustwatermagmalavaQuestion 4 of 155. Where there is collision among two tectonic plates the boundary is calledconvergentdivergenttransformslidingQuestion 5 of 156. The surface on which rocks usually break and slide over each other is called afoldfaulttensionstressQuestion 6 of 157. Scientists who study earthquakes are known asseismologistcardiologistarcheologistanthropologistQuestion 7 of 158. Plate tectonics results in ______Mountain-buildingEarthquakeVolcanismAll the above optionsQuestion 8 of 159. ______ happens when both plates move apart from one other.Transform boundariesDivergent boundariesConvergent boundariesTransform boundariesQuestion 9 of 1510. In plate girders, intermediate vertical stiffeners are provided to:eliminate web bucklingtransfer concentrated loadseliminate local bucklingprevent excessive deflectionQuestion 10 of 1511. ______ are provided for bolted or riveted construction of plate girder.Plate sectionsAngle sectionsComposite sectionsPlastic sectionsQuestion 11 of 1512. Economical depth of a plate girder corresponds toMinimum weightMinimum depthMaximum weightMinimum thickness of the webQuestion 12 of 1513. Most earthquakes happen along thefaultvolcanic mountainsPacific Ring of Fire mid-ocean ridgeQuestion 13 of 1514. Plates move on the surface of the Earth because ofmegma meltinghotspot conventionconvectionQuestion 14 of 1515. Tectonic plates float on the .................outer coreInner core asthenosphere or mantle lithosphereQuestion 15 of 15 Loading...
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