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.

197) The overall efficiency is defined as the ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time.

198) The cetane number of diesel oil, generally available, is