Power Plant Engineering Moderator in nuclear plants is used to Control the reaction Extract heat from nuclear reaction Cause collision with the fast moving neutrons to reduce their speed Reduce temperature Control the reaction Extract heat from nuclear reaction Cause collision with the fast moving neutrons to reduce their speed Reduce temperature ANSWER DOWNLOAD EXAMIANS APP
Power Plant Engineering Boiling water reactor uses the following as moderator, coolant and working fluid Heavy water Molten lead Ordinary fluid Hydrogen gas Heavy water Molten lead Ordinary fluid Hydrogen gas ANSWER DOWNLOAD EXAMIANS APP
Power Plant Engineering Where reactor operation is designed with fast neutrons such as in reactors using highly enriched fuel, the moderator used is Heavy water Carbon dioxide Graphite No moderator is needed Heavy water Carbon dioxide Graphite No moderator is needed ANSWER DOWNLOAD EXAMIANS APP
Power Plant Engineering One gram of uranium will produce energy equivalent to approximately 10 tonnes of high grade coal 4.5 tonnes of high grade coal 100 tonnes of high grade coal 1 tonne of high grade coal 10 tonnes of high grade coal 4.5 tonnes of high grade coal 100 tonnes of high grade coal 1 tonne of high grade coal ANSWER DOWNLOAD EXAMIANS APP
Power Plant Engineering In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be Less than 1.0 Greater than 1.0 Equal to 1.0 Equal to zero Less than 1.0 Greater than 1.0 Equal to 1.0 Equal to zero ANSWER DOWNLOAD EXAMIANS APP
Power Plant Engineering Ideally the neutron flux in reactor should be Maximum at side and zero in canter Zero throughout Maximum in centre and zero at side Uniform throughout Maximum at side and zero in canter Zero throughout Maximum in centre and zero at side Uniform throughout ANSWER DOWNLOAD EXAMIANS APP