Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Ultimate analysis of fuel is determination of percentage of Lower calorific value Carbon, hydrogen, nitrogen, sulphur, moisture Fixed carbon, ash, volatile matter, moisture Higher calorific value Lower calorific value Carbon, hydrogen, nitrogen, sulphur, moisture Fixed carbon, ash, volatile matter, moisture Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between Last superheater or reheater and air preheater None of these Air preheater and chimney Induced draft fan and forced draft fan Last superheater or reheater and air preheater None of these Air preheater and chimney Induced draft fan and forced draft fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam in a nozzle follows Stirling cycle Carnot cycle Joule cycle Rankine cycle Stirling cycle Carnot cycle Joule cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up wrong statement about desired properties of a good fuel High ignition point Ease in storing High calorific value Produce minimum smoke and gases High ignition point Ease in storing High calorific value Produce minimum smoke and gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the nozzle operates with the maximum mass flow, the nozzle is said to be Under-damping None of these Over-damping Choked Under-damping None of these Over-damping Choked ANSWER DOWNLOAD EXAMIANS APP