192) In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air and the mixture is ignited with a

193) A nuclear power plant differs from a conventional steam power station only in the steam generating part.

194) Enriched uranium may contain fissionable contents from

195) In a four stroke engine, the working cycle is completed in

196) If the fuel is rich in fissionable material, the reactor can be made more compact than if the percentage of fissionable atoms is small.