Steam Boilers, Engines, Nozzles and Turbines When steam after doing work in the cylinder passes into a condenser, the engine is said to be a Non-condensing steam engine Condensing steam engine Slow speed engine Vertical steam engine Non-condensing steam engine Condensing steam engine Slow speed engine Vertical steam engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V² cos α Vb = V cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V² cos α Vb = V cos α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of an impulse turbine is maximum when (where Vb = Blade speed, V = Absolute velocity of steam entering the blade, and α = Nozzle angle) Vb = V² cosα Vb = 0.5 V² cosα Vb = V cosα Vb = 0.5 V cosα Vb = V² cosα Vb = 0.5 V² cosα Vb = V cosα Vb = 0.5 V cosα ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is required for a steam condensing plant? Condenser All of these Condensate pump Air extraction pump Condenser All of these Condensate pump Air extraction pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In water tube boilers Water passes through the tubes which are surrounded by flames and hot gases Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water None of these Water passes through the tubes which are surrounded by flames and hot gases Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Locomotive boiler is of the following type All of the listed here Multi tubular Horizontal Internally fired All of the listed here Multi tubular Horizontal Internally fired ANSWER DOWNLOAD EXAMIANS APP