Nuclear Power Engineering Plutonium Has much lower melting point (640°C ) compared to thorium (1690°C) Is recovered from spent fuel from thermal nuclear reactor Both A & B Neither A nor B Has much lower melting point (640°C ) compared to thorium (1690°C) Is recovered from spent fuel from thermal nuclear reactor Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering 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 L/8th of it will remain intact at the end of four months It will completely disintegrate in four months 3/4th of it will disintegrate in two months It will completely disintegrate in two months L/8th of it will remain intact at the end of four months It will completely disintegrate in four months 3/4th of it will disintegrate in two months It will completely disintegrate in two months ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering An electron has a mass that is approximately __________ that of the proton. 1836 (approximately) ∞ 1/1836 (approximately) 1 1836 (approximately) ∞ 1/1836 (approximately) 1 ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering β-rays emission in radioactive disintegration is always accompanied by the emission of γ-rays α-rays None of these Neutrons γ-rays α-rays None of these Neutrons ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering The half life period of a radioactive element depends on its Temperature None of these Amount Pressure Temperature None of these Amount Pressure ANSWER DOWNLOAD EXAMIANS APP
Nuclear Power Engineering In a pressurised water reactor (PWR), the Fuel is natural uranium and heavy water acts both as moderator & coolant Coolant water boils in the core of the reactor Coolant water is pressurised to prevent bulk boiling of water in the core Use of moderator is not required Fuel is natural uranium and heavy water acts both as moderator & coolant Coolant water boils in the core of the reactor Coolant water is pressurised to prevent bulk boiling of water in the core Use of moderator is not required ANSWER DOWNLOAD EXAMIANS APP
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