Chromel (Nichrome) is an alloy of
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The metals occuring at the lower most position in the electromotive series
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Atmospheric corrosion of metals result from their
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Condenser tubes are not made of
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Which of the following is the most prone to atmospheric corrosion?
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Bronze is an alloy of copper and
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Material of construction of pipe generally used for conveying water in India is
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Centrifugal pump made of pyrex or glass can't be used to pump
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Babbit metal used for making bearings should have
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Tank furnace used for melting of glass is made of
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The hardest material just prior to diamond in Mhos scale is
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Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of
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The process of coating steel sheets by zinc to improve its corrosion resistance is called
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The main constituent of carborundum is __________ carbide.
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Cast iron vessels are not suitable for the storage of
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Wrought iron is having very high
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Anodic material used for the cathodic protection of underground buried steel pipeline is
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For platinum thermocouples, lead wires are made of
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Presence of high phosphorous in cast iron increases its
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Which of the following is not shipped in mild steel containers?
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