Chemical Engineering :: Chemical Engineering Basics
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__________ is used for tying the steel coloumns to concrete foundation.
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Fatigue resistance of a material is measured by the
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__________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten.
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A dense structure of grinding wheel is not used for the
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Which of the following is not a principal alloying element for the structural steel?
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Metalloids
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Pick out the wrong statement
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Lead is poured into the joints between two __________ pipes.
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Maximum hardenability of steel depends upon its
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A.
are good conductor of heat & electricity.
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B.
act as electron donors with metals & as electron acceptor with non-metals.
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C.
are not necessarily solids at room temperature.
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D.
are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron.
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