Steam Boilers, Engines, Nozzles and Turbines A condenser in a steam power plant All of these Reduces temperature of exhaust steam Reduces back pressure of steam Increases expansion ratio of steam All of these Reduces temperature of exhaust steam Reduces back pressure of steam Increases expansion ratio of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The action of steam in a steam turbine is Static Dynamic Neither static nor dynamic Static and dynamic Static Dynamic Neither static nor dynamic Static and dynamic ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value 1 + moisture content (1- moisture content) (1 + moisture content) 1 – moisture content 1 + moisture content (1- moisture content) (1 + moisture content) 1 – moisture content ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Economical Desirable Uneconomical Essential Economical Desirable Uneconomical Essential ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor) pa = pm + K pa = pm × K pa = K/pm pa = pm/K pa = pm + K pa = pm × K pa = K/pm pa = pm/K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell diameter and length of locomotive boiler are 1.5 m, 4 m 1.5 m, 6 m 2 m, 4 m 1 m, 4 m 1.5 m, 4 m 1.5 m, 6 m 2 m, 4 m 1 m, 4 m ANSWER DOWNLOAD EXAMIANS APP
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