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Chemical Engineering · all questions

Chemical Engineering Basics
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Cast iron compared to steel is better in

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With increase in temperature, the electrical conductivity of semiconductors

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Constituents of stellite are

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__________ is not used as a material of construction in thermocouples.

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Ganister contains maximum percentage of

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In BOF, desiliconisation is a first order reaction. So the silicon content of the metal decreases

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Corrosion is

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Aromatics are desired constituents of

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The product out from a cupola is called

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The product out from a cupola is called

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Rate of chemical reaction is not much affected, if the reactants are in __________ form.

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Resistance of an electrical conductor is proportional to its (where, L = length and A = cross-sectional area of the conductor)

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Out of the following the refractive index is the highest for

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Compressed dry air is used as the cutting fluid, while machining

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The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

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Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

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The increase in hardness of metal due to its cold working is termed as the __________ hardening.

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Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

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Pressure exerted by a liquid depends upon its

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Scab is a defect developed during __________ of metals.

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