Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 25 to 40% 10 to 15% 40 to 60% 15 to 25% 25 to 40% 10 to 15% 40 to 60% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual power generated in the engine cylinder is called Indicated power Brake power Frictional power None of these Indicated power Brake power Frictional power None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Stack gases should not be cooled to the dew point Heat transfer area should be optimum Approach temperature should be as low as possible Handling and maintenance should be easier Stack gases should not be cooled to the dew point Heat transfer area should be optimum Approach temperature should be as low as possible Handling and maintenance should be easier ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction in the nozzle ___ dryness fraction of steam. Decreases Increases None of the listed here Has no effect on Decreases Increases None of the listed here Has no effect on ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For water, at pressures below atmospheric; Melting point drops slightly and boiling point drops slightly Melting point drops slightly and boiling point drops markedly Melting point rises slightly and boiling point drops markedly Melting point rises markedly and boiling point drops markedly Melting point drops slightly and boiling point drops slightly Melting point drops slightly and boiling point drops markedly Melting point rises slightly and boiling point drops markedly Melting point rises markedly and boiling point drops markedly ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The aim of a compound steam engine is All of these To reduce the temperature range in each cylinder To reduce the length of stroke To reduce the ratio of expansion in each cylinder All of these To reduce the temperature range in each cylinder To reduce the length of stroke To reduce the ratio of expansion in each cylinder ANSWER DOWNLOAD EXAMIANS APP
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