Steam Boilers, Engines, Nozzles and Turbines Carbonization of coal is the process of Binding the pulverized coal into briquettes 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 Binding the pulverized coal into briquettes 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
Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as Internally fired boiler Forced circulation boiler Externally fired boiler Natural circulation boiler Internally fired boiler Forced circulation boiler Externally fired boiler Natural circulation boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat equivalent to brake power to the energy supplied in steam is known as Brake thermal efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency Brake thermal efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A fusible plug is fitted in small boilers in order to Avoid explosion Control steam dome Extinguish fire if water level in the boiler falls below alarming limit Avoid excessive build up of pressure Avoid explosion Control steam dome Extinguish fire if water level in the boiler falls below alarming limit Avoid excessive build up of pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The water tubes in a Babcock and Wilcox boiler are Horizontal and inclined Vertical Inclined Horizontal Horizontal and inclined Vertical Inclined Horizontal ANSWER DOWNLOAD EXAMIANS APP
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