Chemical Engineering MCQs

Page No. 370

Pressure of CO2 gas (which is a coolant) in the Calder-Hall nuclear reactor is ______________ kgf/cm2?


a0.2

✖


b7

✓


c35

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d50

✖


View Answer 7

Hydrogen bomb employs the nuclear fusion of __________________ ?


aHydrogen

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bDeuterium

✓


cTritium

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dHelium

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View Answer Deuterium

Coolant used in a fast breeder reactor is____________________?


aMolten sodium

✓


bHeavy water

✖


cOrdinary water

✖


dHelium

✖


View Answer Molten sodium

Uranium Corporation of India Limited (UCIL) engaged in the mining & concentration of uranium ore is located at_______________?


aAlwaye (in Kerala)

✖


bJadugoda (in Jharkhand)

✓


cKalpakkam (in Tamilnadu)

✖


dGopalpur coast (in Orissa)

✖



Which of the following types of nuclear reactors is most prone to radioactive hazards ?


aPressurised water reactor

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bGas cooled reactor

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cMolten sodium cooled reactor

✖


dBoiling water reactor

✓


View Answer Boiling water reactor

A control rod________________?


aShould have small absorption cross-section

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bIs generally made of boron, hafnium or cadmium

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cShould have large absorption cross-section

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dBoth B. and C.

✓


View Answer Both B. and C.

The ratio of volume of an atom to that of its nucleus is__________________?


a1012

✓


b10-12

✖


c10-8

✖


d108

✖


View Answer 1012

Heavy water used in the nuclear reactors to slow down the speed of neutrons is __________________?


aHighly purified water

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bA compound of oxygen and deuterium

✓


cWater having dissolved salts of heavy metals

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dNone of these

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Solar energy results from _______________ reaction?


aFission

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bCombustion

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cThermonuclear

✓


dNone of these

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View Answer Thermonuclear

Emission of β-particles during radioactive decay of a substance is from__________________?


aInnermost shell

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bNucleus

✓


cOutermost shell

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dNone of these

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View Answer Nucleus

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