High sulphur content in a fuel __________ of the flue gases. Both B & C Reduces the combustion efficiency by limiting the permissible temperature reduction Increases the dew point Decreases the dew point TRUE ANSWER : ? YOUR ANSWER : ?
Coal is pulverised before burning in large capacity boiler furnaces mainly to Provide trouble free operation Enhance its calorific value Facilitate easy ash removal Ensure its complete combustion TRUE ANSWER : ? YOUR ANSWER : ?
Weathering of coal during storage causes Increase in its friability All of these Decrease in its caking capacity Reduction in coal size TRUE ANSWER : ? YOUR ANSWER : ?
As the equilibrium moisture content of the coal increases, its Swelling number decreases Calorific value increases Bulk density decreases Swelling number increases TRUE ANSWER : ? YOUR ANSWER : ?
Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. 80 and 97 25 and 97 95 and 100 40 and 70 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following fuel gases has the highest calorific value ? Coal bed methane (CBM) Sewage gas Liquefied petroleum gas (LPG) Natural gas TRUE ANSWER : ? YOUR ANSWER : ?
Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Oxygen Carbon Hydrogen Sulphur TRUE ANSWER : ? YOUR ANSWER : ?
Micum Index of a coke is a measure of its Porosity Bulk density Hardness & strength Reactivity TRUE ANSWER : ? YOUR ANSWER : ?
Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr. 10 0.5 20 2.5 TRUE ANSWER : ? YOUR ANSWER : ?
Fuel for a fast breeder nuclear reactor is Plutonium Uranium Radium Neptunium TRUE ANSWER : ? YOUR ANSWER : ?