Materials & Construction Mcqs for Chemical


Q.  Addition of tungsten to steel imparts___________________?

a. Magnetic properties
b. Cutting hardness
c. Corrosion resistance
d. Ductility


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Tin vessels are corroded by____________________?
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MCQs:  Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. Lead pipes are readily corroded by_________________?
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MCQs:  Presence of high amount of silicon in cast iron________________?
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MCQs:  The main purpose of galvanising iron sheets is to___________________?
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MCQs:  The temperature at which new grains are formed in the metal is called the ______________ temperature?
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MCQs:  Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ?
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MCQs:  Caustic soda can be stored in _____________ drums?
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MCQs:  Addition of ______________ to the steel helps in increasing the residual magnetism in steel used for making magnets?
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MCQs:  The material of construction of pressure mills used for squeezing out the juice from sugar cane is__________________?
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MCQs:  Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and_________________?
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MCQs:  Most common stainless steel type 316, which is highly resistant to corrosion contains______________?
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MCQs:  Galvanised iron is___________________?
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MCQs:  Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as_____________________?
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MCQs:  Cermets are ______________ materials?
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MCQs:  Molten phthalic anhydride is stored in a/an _______________ vessel?
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MCQs:  18-4-1 high speed steel contains 18%, 4% and 1% respectively of____________________?
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MCQs:  Generally _____________ are subjected to galvanising (i.e., zinc coating)?
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MCQs:  Which of the following is a light alloy ?
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MCQs:  Which of the following is not a non-ferrous alloy ?
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MCQs:  Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of ______________ as mercury does not amalgamate with it?
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