Fuels and Combustion Which of the following coke has the least percentage of ash? Petroleum coke Metallurgical coke Beehive coke Foundary coke Petroleum coke Metallurgical coke Beehive coke Foundary coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the All of these Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air Increase in gas pressure All of these Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air Increase in gas pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Improves its coking properties All of these Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content Improves its coking properties All of these Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draft created by the chimney depends upon Both A & B Its height Temperature of the flue gas Neither A nor B Both A & B Its height Temperature of the flue gas Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. High cost & availability Low flash point Low octane number Low calorific value High cost & availability Low flash point Low octane number Low calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C. None of these Latent Sensible Sensible and latent None of these Latent Sensible Sensible and latent ANSWER DOWNLOAD EXAMIANS APP