Chemical Engineering :: Chemical Engineering Basics
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Stainless steel is welded with difficulty because of
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For preparation of porous bearings by powder metallurgy, preferred particle shape is
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The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.
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High speed steel tools retain their hardness upto a temperature of __________ °C.
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Wrought iron does not have
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Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when
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__________ are normally subjected to sub-zero treatment.
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Induced draft fans provided in large thermal power plant boilers have __________ blades.
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Which of the following has the highest value of refractive index ?
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Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________ percent.
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