A nuclear unit becoming critical means It is capable of generating much more than rated capacity Chain reaction that causes automatic splitting of the fuel nuclei has been established It is generating power to rated capacity There is danger of nuclear spread TRUE ANSWER : ? YOUR ANSWER : ?
Breeder reactor has a conversion ratio of More than unity Zero Less than unity Unity TRUE ANSWER : ? YOUR ANSWER : ?
Solar thermal power generation can be achieved by using a solar pond Using flat plate collectors Using focusing collector or heliostates Any of the mentioned system TRUE ANSWER : ? YOUR ANSWER : ?
A fission chain reaction in uranium can be developed by Slowing down fast neutrons so that Uz fission continues by slow motion neutrons Absorbing all neutrons Using moderator Accelerating fast neutrons TRUE ANSWER : ? YOUR ANSWER : ?
A boiling water reactor uses following as fuel Thorium U Enriched uranium Plutonium TRUE ANSWER : ? YOUR ANSWER : ?
Lancashire boiler is a ________ boiler. Three pass Four pass Two pass Single pass TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following nuclear reactor does not need a heat exchanger for generation of steam? Boiling water Pressurised water Liquid metal cooled Gas cooled TRUE ANSWER : ? YOUR ANSWER : ?
A fission chain reaction in uranium can be developed None of these Both (A) and (B) By slowing down fast neutrons so that U₂₃₅ fission continues by slow neutron By increasing the contents of U₂₃₅ TRUE ANSWER : ? YOUR ANSWER : ?
fission chain reaction in uranium can be developed by Absorbing all neutrons Using moderator Slowing down fast neutrons so that Uz fission continues by slow motion neutrons Accelerating fast neutrons TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following is NOT an accessory for the boiler ? Condenser Economizer Air Preheater Feed water pump TRUE ANSWER : ? YOUR ANSWER : ?