Steam Boilers, Engines, Nozzles and Turbines A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly 10.05 6.65 2.86 1.05 10.05 6.65 2.86 1.05 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a safety valve is To indicate the water level inside the boiler to an observer To measure pressure of steam inside the steam boiler None of these To blow off steam when the pressure of steam inside the boiler exceeds the working pressure To indicate the water level inside the boiler to an observer To measure pressure of steam inside the steam boiler None of these To blow off steam when the pressure of steam inside the boiler exceeds the working pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is Coking coal High sulphur coal Pulverized coal Non-coking or free burning coal Coking coal High sulphur coal Pulverized coal Non-coking or free burning coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water at pressure of 4 kg/cm² and 160°C temperature when exposed to atmosphere will Remain as it was Flash i.e. get converted into steam Cool down Boil Remain as it was Flash i.e. get converted into steam Cool down Boil ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine, when steam flows through the fixed blades, Pressure and velocity both increases Pressure increases while velocity decreases Pressure decreases while velocity increases Pressure and velocity both decreases Pressure and velocity both increases Pressure increases while velocity decreases Pressure decreases while velocity increases Pressure and velocity both decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The selection of type and size of a steam boiler depends upon The geographical position of the power house The fuel and water available The power required and working pressure All of these The geographical position of the power house The fuel and water available The power required and working pressure All of these ANSWER DOWNLOAD EXAMIANS APP
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