Assertion A : Shishum is used for decorative woodwork. Reason R : Shishum can be polished to an excellent finish. Select your answer according to the coding system given below ? A. Both…

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Crushing strength of a good building stone should be more than____________? A. 50 MPaB. 100 MPaC. 150 MPaD. 200 MPa Spalling hammer is used for_____________? A. driving wooden headed chiselsB. rough dressing of…

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Building Materials and Construction

Quartitze is a_____________? A. silicious rockB. argillaceous rockC. calcareous rockD. aqueous rock The stone suitable for rubble masonry should be____________? A. hardB. toughC. heavyD. light Which of the following metamorphic rocks has the…

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Building Materials and Construction

Which of the following is a mineral ? A. basaltB. graniteC. quartzD. syenite Gypsum is a_________________? A. mechanically formed sedimentary rockB. igneous rockC. chemically precipitated sedimentary rockD. metamorphic rock Which of the following…

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