Materials & Construction Mcqs for Chemical


Q.  Silicon percentage in iron castings to have maximum hardness should be about__________________?

a. 0.3
b. 0.5
c. 0.8
d. 2.5


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system ?
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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:  Nickel as a material of construction__________________?
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MCQs:  Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower_________________?
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MCQs:  Glass is corroded by________________?
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MCQs:  Nickel base alloys with ______________ are known as monel metal?
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MCQs:  How many atoms are there per unit cell in a body centred cubic lattice system ?
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MCQs:  Bush bearings are made of______________________?
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MCQs:  Presence of cobalt in steel improves its____________________?
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MCQs:  A hardness depth of about 3 mm can be achieved by induction hardness in ______________ seconds?
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MCQs:  Wrought iron is having very high ________________?
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MCQs:  Rotary kilns in cement industry are lined with _____________bricks?
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MCQs:  Post weld heat treatment is done by____________________?
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MCQs:  High speed steel tools retain their hardness upto a temperature of _____________ °C?
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MCQs:  When iron is rusted, it is__________________?
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MCQs:  Caustic soda is transported in _____________ lined containers ?
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MCQs:  _______________ is a donor impurity for semi-conductors ?
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MCQs:  Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the ______________ stress?
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MCQs:  How many molecules per unit cell are there in a face centred cubic lattice ?
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MCQs:  ‘Semi steel’ is__________________?
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