Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is (1 + sin²α)/2 sin²α (1 + cos²α)/2 cos²α 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + sin²α)/2 sin²α (1 + cos²α)/2 cos²α 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Reheat the steam and improve its quality Completely balance against end thrust Reduce the effective heat drop Maintain the speed of the turbine Reheat the steam and improve its quality Completely balance against end thrust Reduce the effective heat drop Maintain the speed of the turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine, steam expands Partly in the nozzle and partly in blades None of these Wholly in blades Wholly in nozzle Partly in the nozzle and partly in blades None of these Wholly in blades Wholly in nozzle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure and low pressure cylinders in a Woolf type compound engine are regarded as having cranks 180° to each other 0° to each other 90° to each other None of these 180° to each other 0° to each other 90° to each other None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing of steam engines is a method of controlling the engine output by varying Pressure of intake steam Volume of intake steam Temperature of intake steam All of these Pressure of intake steam Volume of intake steam Temperature of intake steam All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Ultimate analysis of fuel is determination of percentage of Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture Higher calorific value Lower calorific value Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture Higher calorific value Lower calorific value ANSWER DOWNLOAD EXAMIANS APP
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