In fast breeder reactors Graphite is used as the moderator Any type of moderator can be used Moderator is dispensed with Heavy water is used as the moderator TRUE ANSWER : ? YOUR ANSWER : ?
The size of the reactor is said to be critical when It explodes Chain reaction can be initiated It produces no power It becomes uncontrollable TRUE ANSWER : ? YOUR ANSWER : ?
A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is More Same There is no such criterion Less TRUE ANSWER : ? YOUR ANSWER : ?
In a thermal power plant, coal from the coal handling plant is moved to the boiler bunker through a Overhead crane Bucket conveyor Belt conveyor Fork lift truck TRUE ANSWER : ? YOUR ANSWER : ?
Isotopes of same elements have Different masses and different atomic numbers Same chemical properties but different atomic numbers Same atomic number and different masses Different chemical properties and same atomic numbers TRUE ANSWER : ? YOUR ANSWER : ?
The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is Same Lower Unity Higher TRUE ANSWER : ? YOUR ANSWER : ?
Reflector in nuclear plants is used to Shield the radioactivity completely Return the neutrons back into the core Conserve energy Check pollution TRUE ANSWER : ? YOUR ANSWER : ?
The commonly used material for shielding is Thick galvanized sheets Lead and tin Lead or concrete Graphite or cadmium TRUE ANSWER : ? YOUR ANSWER : ?
A fast breeder reactor Uses ferrite material as moderator Has powerful moderator Uses graphite rods as moderator Has no moderator TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following is NOT an accessory for the boiler ? Feed water pump Condenser Economizer Air Preheater TRUE ANSWER : ? YOUR ANSWER : ?