Q361
Open questionThe process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as
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Q362
Open questionThe most durable varnish is
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Q363
Open questionThe rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called
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Q364
Open questionThe rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called
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Q365
Open questionThe rocks which are formed due to pouring of magma at the earth's surface are called
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Q366
Open questionTurpentine oil is used in paints as
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Q367
Open questionLinseed oil is used in paints as
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Q368
Open questionThe pigment used in paints for corrosive resistance, is
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Q369
Open questionThe type of steel used for precision levelling staff, is
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Q370
Open questionVeneering means
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Q371
Open questionGood quality sand is never obtained from
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Q372
Open questionWater paint is a
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Q373
Open questionA 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than
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Q374
Open questionThe commonly used lime in white washing, is
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Q375
Open questionPlywood is made from
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Q376
Open questionPortland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as
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Q377
Open questionBitumen may be dissolved in
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Q378
Open questionThe percentage of alumina and silica in good fire clay vary respectively is
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Q379
Open questionDue to attack of dry rot, the timber
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Q380
Open questionRapid hardening cement attains early strength due to
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