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


d50


View Answer 7

Hydrogen bomb employs the nuclear fusion of __________________ ?


aHydrogen


bDeuterium


cTritium


dHelium


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


bGas cooled reactor


cMolten sodium cooled reactor


dBoiling water reactor


View Answer Boiling water reactor

A control rod________________?


aShould have small absorption cross-section


bIs generally made of boron, hafnium or cadmium


cShould have large absorption cross-section


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


bA compound of oxygen and deuterium


cWater having dissolved salts of heavy metals


dNone of these



Solar energy results from _______________ reaction?


aFission


bCombustion


cThermonuclear


dNone of these


View Answer Thermonuclear

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


aInnermost shell


bNucleus


cOutermost shell


dNone of these


View Answer Nucleus

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