Steam Boilers, Engines, Nozzles and Turbines The diameters of fire tubes and superheater tubes in locomotive boiler are 65.5 mm, 210 mm 32.5 mm, 180 mm 47.5 mm, 130 mm 24.5 mm, 65 mm 65.5 mm, 210 mm 32.5 mm, 180 mm 47.5 mm, 130 mm 24.5 mm, 65 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called Both (A) and (B) Receiver type compound engine Woolf type compound engine Tandem type compound engine Both (A) and (B) Receiver type compound engine Woolf type compound engine Tandem type compound engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At very low temperature, the melting and boiling temperatures become equal. This temperature is 373°K 303°K 273.16°K 0°K 373°K 303°K 273.16°K 0°K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be None of these Over-damping Choked Under-damping None of these Over-damping Choked Under-damping ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The saturation temperature of steam with increase in pressure increases Linearly Rapidly first and then slowly Slowly first and then rapidly Inversely Linearly Rapidly first and then slowly Slowly first and then rapidly Inversely 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 0.63 0.56 0.78 0.74 0.63 0.56 0.78 ANSWER DOWNLOAD EXAMIANS APP
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