Mechanical Operations Mcqs for Chemical


Q.  Ore concentration by jigging is based on the difference in the ______________ of the particles?

a. Specific gravities
b. Wettability
c. Shape
d. None of these


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then____________?
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MCQs:  Radioactive decay of a material involves a _____________ order reaction?
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MCQs:  The main purpose of control rod in a nuclear reactor is to control the___________________?
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MCQs:  Net efficiency of ordinary light water cooled nuclear reactor is about _____________ percent?
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MCQs:  Thermal neutrons which are used to cause the fission of U-235 have energy _____________ eV?
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MCQs:  In nuclear reactions, ______________ number is conserved?
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MCQs:  Which of the following ores contains maximum percentage of uranium ?
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MCQs:  Plutonium________________?
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