Steam Boilers, Engines, Nozzles and Turbines An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades. None of these Less More Equal None of these Less More Equal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of cylindrical shell of the Lancashire boiler is of the order of 2 to 4 m 1 to 1.75 m 1.75 to 2.75 m 1 to 1.25 m 2 to 4 m 1 to 1.75 m 1.75 to 2.75 m 1 to 1.25 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as Efficiency of the fan Power of the boiler Efficiency of the boiler Efficiency of the chimney Efficiency of the fan Power of the boiler Efficiency of the boiler Efficiency of the chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At critical point, i.e. p=225.65 kg/cm², the latent enthalpy of vaporisation is Depends on temperature also Maximum Zero Minimum Depends on temperature also Maximum Zero Minimum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is used where working pressure and power required are Moderate High None of these Low Moderate High None of these Low ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Heated to its ignition point Burnt as powder Burnt in excess air Heated sufficiently Heated to its ignition point Burnt as powder Burnt in excess air Heated sufficiently ANSWER DOWNLOAD EXAMIANS APP
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