Chemical Engineering Basics Mcqs

Q.  Pick out the wrong statement?

a. Copper is the metal having the highest electronic conductivity
b. Hardenability & Weldability of metals are inversely related
c. Covalent bonding formed by sharing of electrons is present in all semi-conductor materials
d. Glass transition temperature applies to ‘polymers’ but not to ‘glasses’


ANSWER: See Answer
 
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MCQs:  Consumable electrodes are used in the ____________________ welding?
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MCQs:  An oxidation process is accompanied with decrease in the____________________?
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MCQs:  With decrease in the grain size of a material, its creep resistance___________________?
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MCQs:  Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250- 525°C, thereby changing austenite to___________________?
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MCQs:  What is the percentage of chromium in 18-4-1 high speed steel ?
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MCQs:  Electrometallurgical methods of metal extraction is normally used for those metals___________________?
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MCQs:  Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________________ kJ ?
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MCQs:  Hydrogen can be ________________?
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MCQs:  Air standard Otto cycle is more efficient than the diesel cycle for the same__________________?
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MCQs:  Percentage of argon (by volume) in dry atmospheric air is about________________?
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MCQs:  _____________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C ?
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MCQs:  Normalising of a casting does not__________________?
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MCQs:  Limestone addition in the blast furnace is done to flux _______________ present in the raw materials?
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MCQs:  In case of brasses, with decreasing zinc percentage and increasing copper percentage, its _____________ increases ?
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MCQs:  Metallic surveying tapes are made of _____________ which has a low co-efficient of expansion & enough strength ?
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MCQs:  Titanium is produced by ___________________ of Ti Cl4 ?
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MCQs:  Atomic _______________ is a whole number for an element?
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MCQs:  Out of the following, the lowest packing of atoms exists in ____________________ crystal lattice structure?
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MCQs:  An abrupt and sudden fall in the reading of barometer is an indication of the____________________?
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MCQs:  For the Stoke’s law to be valid in the case of a falling sphere in a fluid, the_____________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts