Steam Boilers, Engines, Nozzles and Turbines The length of Lancashire boiler varies from 7.25 to 9 m 5 to 6 m 6 to 7 m 9 to 10 m 7.25 to 9 m 5 to 6 m 6 to 7 m 9 to 10 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be 1.67 0.4 0.56 0.67 1.67 0.4 0.56 0.67 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If partial pressure of air and steam be ‘pa’ and ‘ps’ respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to ps - pa pa + ps pa - ps None of these ps - pa pa + ps pa - ps None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the ratio of expansion None of these Does not change Increases Decreases None of these Does not change Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A nozzle is said to be a convergent nozzle When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit None of these When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle decreases continuously from entrance to exit When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit None of these When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle decreases continuously from entrance to exit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In locomotives, the draught is produced by Chimney Steam jet draught Both combined (A) and (B) Induced draft fan Chimney Steam jet draught Both combined (A) and (B) Induced draft fan ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS