Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is Coking coal Pulverized coal Non-coking or free burning coal High sulphur coal Coking coal Pulverized coal Non-coking or free burning coal High sulphur coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The behavior of coal in a furnace is determined by The exact analysis The proximate analysis The content of sulphur The content of ash and heating value The exact analysis The proximate analysis The content of sulphur The content of ash and heating value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stoichiometric quantity of air is the Air required for complete combustion of fuel with no excess air Air present in atmosphere at NTP conditions Air required to convert CO into CO₂ Air required for optimum combustion so as to have reasonable excess air Air required for complete combustion of fuel with no excess air Air present in atmosphere at NTP conditions Air required to convert CO into CO₂ Air required for optimum combustion so as to have reasonable excess air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston rod is To transfer motion from the piston to the cross head To guide motion of the piston rod and to prevent it from bending To exhaust steam from the cylinder at proper moment To convert heat energy of the steam into mechanical work To transfer motion from the piston to the cross head To guide motion of the piston rod and to prevent it from bending To exhaust steam from the cylinder at proper moment To convert heat energy of the steam into mechanical work ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called Superheated steam Saturated steam Wet steam Cushion steam Superheated steam Saturated steam Wet steam Cushion steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K) 176.5H/T1 T1 /176.5H T1 /88.25H 88.25H/T1 176.5H/T1 T1 /176.5H T1 /88.25H 88.25H/T1 ANSWER DOWNLOAD EXAMIANS APP