Q. How are the main joints aligned to the cooling surface?

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Q. How and what are the polygonal cracks related to?

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Q. The contraction is equally developed in all directions in which kind of mass?

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Q. At what angle do the fractures appear to the lines of tensile stresses?

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Q. In sedimentary rocks, joints are genetically related to those forces that have caused the major structural deformation.

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Q. Joints in metamorphic rocks are due to ___________

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Q. In mural jointing, one set is horizontal and two sets are vertical.

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Q. The nature of sedimentary rock that can undergo some irregular jointing is ___________

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Q. Contraction or shrinkage is the cause of which joints?

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Q. A single theory is enough to explain origin of all types of joints.

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Q. The wide range of temperature which vary in arid climate is ___________

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Q. Removal of overburden causes ___________

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Q. Sheet joints in sedimentary rocks are attributed to ___________

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Q. What kind of impact do the joints have on activities of engineering?

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Q. What is/are related to jointed rocks?

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Q. First step of treatment of joints is ___________

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Q. What has to be located during an investigation with great care?

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Q. What is a positive effect of joints?

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Q. Mineralisation takes place in jointed rocks.

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