Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Velocity remains constant Velocity decreases Velocity increases Pressure remains constant Velocity remains constant Velocity decreases Velocity increases Pressure remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In fire tube boilers The flames and hot gases pass through the tubes which are surrounded by water Forced circulation takes place None of these Water passes through the tubes which are surrounded by flames and hot gases The flames and hot gases pass through the tubes which are surrounded by water Forced circulation takes place None of these Water passes through the tubes which are surrounded by flames and hot gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam, as it flows over the blades in reaction turbine, represents Isothermal process Isentropic process Free expansion process Throttling process Isothermal process Isentropic process Free expansion process Throttling process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Millier chart, the constant pressure lines Are equally spaced throughout Diverge from right to left Diverge from left to right First rise up and then fall Are equally spaced throughout Diverge from right to left Diverge from left to right First rise up and then fall ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Coke is produced by Enriching carbon in the coal Pulverizing coal in inert atmosphere Heating wood in a limited supply of air at temperatures below 300°C Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Enriching carbon in the coal Pulverizing coal in inert atmosphere Heating wood in a limited supply of air at temperatures below 300°C Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is 4/3 kg 8/3 kg 2 kg 1 kg 4/3 kg 8/3 kg 2 kg 1 kg ANSWER DOWNLOAD EXAMIANS APP
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