same

one-half

one-fourth

one-sixth

inlet whirl velocity

outlet whirl velocity

inlet velocity of flow

outlet velocity of flow

exit nozzle, which is a constant volume process

exit nozzle, which is essentially an isentropic process

turbine blades, which is a constant volume process

turbine blades, which is essentially an isentropic process

two times

three times

four times

six times

same

lower

higher

none of these