Steam Boilers, Engines, Nozzles and Turbines Which of the following is steam dial? Pulverized coal Non-coking bituminous coal Coking bituminous coal Brown coal Pulverized coal Non-coking bituminous coal Coking bituminous coal Brown coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A regenerative steam cycle renders Decreased work output per unit mass of steam as well as increased thermal efficiency Decreased work output per unit mass of steam Increased thermal efficiency Increased work output per unit mass of steam Decreased work output per unit mass of steam as well as increased thermal efficiency Decreased work output per unit mass of steam Increased thermal efficiency Increased work output per unit mass of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine. Less More None of these Same Less More None of these Same ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having cranks 180° to each other None of these 0° to each other 90° to each other 180° to each other None of these 0° to each other 90° to each other ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler stays are used to Prevent flat surfaces under pressure from tearing apart Take care of failure in compression Provide support for boiler Take care of failure in shear Prevent flat surfaces under pressure from tearing apart Take care of failure in compression Provide support for boiler Take care of failure in shear ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy rise per kg of water is 145 kJ. If the calorific valve of the coal is 2050 kJ/kg, then the boiler efficiency will be 0.74 0.56 0.63 0.78 0.74 0.56 0.63 0.78 ANSWER DOWNLOAD EXAMIANS APP
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