LIVE EXAMINATION - BUILDING MATERIAL [17/03/2019-18/03/2019]
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10 questions
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- Q1Which iron ore is available in India at Chennai, but it is not use of , as coal fields are not located nearbyPyriteMagnetiteSideriteLimonite30s
- Q2Which iron ore is known as sulphide of IronSideritePyriteNone of theseLimonite30s
- Q3Heating ores in presence of air is known asSmeltingCalcinationNone of theseRoasting30s
- Q4Bessemer pig is obtained fromHaematite oreSiderite oreLimonite oreMagnetite ore30s
- Q5In wrought iron , the percentage of carbon content does not exceed2%0.05%0.15%0.1%30s
- Q6The operation of removing slag contained in puddle ball, in the manufacture of wrought iron is known asRollingRefiningPuddlingshingling30s
- Q7Laterite is an example ofAll of theseCalcareous rockSilicious rockArgillaceous rock30s
- Q8The rocks formed by the solidification of molten material either inside or on surface of the earth is calledMetamorphic rockIgneous rockFoliated rockSedimentary rock30s
- Q9The stone containing alumina or clay as their major constituent is known asCalcareous rocksargillaceous rocksSedimentary rocksSiliceous rocks30s
- Q10Mortar in which both lime and cement are used as binding material is calledCement mortarSurkiGauged mortarLight weight mortar30s