Steam Boilers, Engines, Nozzles and Turbines
The diagram efficiency is the ratio of

Workdone on the blades to the energy supplied to the blades
Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam
None of these
Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam

ANSWER DOWNLOAD EXAMIANS APP

Steam Boilers, Engines, Nozzles and Turbines
In recuperative air preheaters, the heat is transferred

Heat is transferred by bleeding some gases from furnace
By direct mixing
From heating an intermediate material and then heating the air from this material
From a metal wall from one medium to another

ANSWER DOWNLOAD EXAMIANS APP