Q341
Open questionWhich of the following comprises of hydrocarbons?
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Materials And Construction
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Q342
Open questionSpecify the material of construction suitable for handling concentrated HNO3 at 100°C.
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Q343
Open questionWhich of the following is not an alloy of copper?
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Q344
Open questionSoftness of silver can be converted into hardness by alloying it with small quantity of
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Q345
Open questionTempering of steel is done to make it
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Q346
Open questionGalvanising (i.e., zinc coating) of steel sheets is done to
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Q347
Open questionNickel is a constituent of
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Q348
Open questionWhich of the following heat treatment processes is used for softening the hardened material?
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Q349
Open questionStainless steel is not corroded by
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Q350
Open questionWhich of the following stainless steels is non-magnetic?
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Q351
Open questionThe specific gravity of coal depends mainly on its __________ content.
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Q352
Open questionIn a plate type heat exchanger, heat transfer plates are never made of
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Q353
Open questionPlatinum and silver are corroded by
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Q354
Open questionFor storing water and acid free benzol, use a __________ vessel.
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Q355
Open questionA steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion.
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Q356
Open questionHydrocyanic acid is not shipped in
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Q357
Open questionThe carbonating tower used in Solvay process of soda ash manufacture is made of
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Q358
Open questionThe material of construction of bearings is
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Q359
Open questionMetal at the top of the electromotive series is
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Q360
Open questionWhich of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ?
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