Chemical Engineering MCQs

Page No. 356

The decay product of tritium (a beta emitter) is_________________?


aLithium

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bHelium

✓


cDeuterium

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dHydrogen

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View Answer Helium

A radioactive isotope undergoes decay with respect to time following _____________ law?


aLogarithmic

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bExponential

✓


cLinear

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dInverse square

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View Answer Exponential

‘Light water’ used as a coolant in nuclear reactor is nothing but______________________?


aOrdinary water

✓


bMildly acidic (pH = 6) water

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cMildly alkaline (pH = 8) water

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dNone of these

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View Answer Ordinary water

How many atoms are present in one gm-atom of an element ?


a2 × 1023

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b6 × 1023

✓


c6 × 1032

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d5 × 105

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View Answer 6 × 1023

Which of the following is a fuel for a fusion reactor (thermonuclear reactor) ?


aDeuterium and tritium

✓


bU-233

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cThorium

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dHeavy water

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View Answer Deuterium and tritium

Nuclear fuel complex, Hyderabad is engaged in the job of ___________________?


aManufacture of nuclear fuel elements/assemblies

✓


bProcessing of uranium ore

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cTreatment of spent fuel

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dNone of these

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Which of the following is not, a fertile material ?


aTh-232

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bU-238

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cU-233

✓


dNone of these

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View Answer U-233

Which of the following is a non-fissile material ?


aPlutonium-239

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bUranium-235

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cUranium-233

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dThorium-232

✓


View Answer Thorium-232

The new nucleus formed after β-decay of a radioactive element has___________________?


aLess atomic number

✓


bLess atomic weight

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cMore atomic number

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dMore atomic weight

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View Answer Less atomic number

If 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same isotope will be ____________ days?


a5

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b10

✓


c20

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d30

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View Answer 10

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