Steam Boilers, Engines, Nozzles and Turbines Coke is produced by Pulverizing coal in inert atmosphere Enriching carbon in the coal Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Heating wood in a limited supply of air at temperatures below 300°C Pulverizing coal in inert atmosphere Enriching carbon in the coal Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Heating wood in a limited supply of air at temperatures below 300°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the length of stroke Does not change Decreases None of these Increases Does not change Decreases None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The relative heat absorption for successively added equal areas of boiler convection heating surfaces First increases and then decreases Increases Remain unaffected Decreases First increases and then decreases Increases Remain unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A stage, in reaction turbine, is represented by Number of casing Each row of blades Number of exits of steam Number of entries of steam Number of casing Each row of blades Number of exits of steam Number of entries of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in, a Coarran and Scottish marine boiler are Both horizontal and vertical Vertical Inclined Horizontal Both horizontal and vertical Vertical Inclined Horizontal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For maximum discharge through a chimney, the condition is that height of hot gas column producing the draught should be Two times the height of chimney One-half the height of chimney Four times the height of chimney Equal to the height of chimney Two times the height of chimney One-half the height of chimney Four times the height of chimney Equal to the height of chimney ANSWER DOWNLOAD EXAMIANS APP