Statement: Supercritical boilers usually lack steam drums Logic: Supercritical boilers can produce steam at much higher temperatures and pressures than subcritical boilers. Statement is correct, logic is not Logic is correct, statement is not Both are wrong Both are correct Correct answer: 4. Both are correct
The term PC plant indicates: The plant uses digital and PC technologies The plant uses coal which is pulverized None of these Correct answer: 2. The plant uses coal which is pulverized
Correct statement about cooling water used in condenser of steam power plant: The colder the water the more is the efficiency The warmer the water the more is the efficiency Water temperature has no effect on efficiency The cooling water should be used in very small quantity Correct answer: 2. The warmer the water the … Read more
The Country with the largest coal reserves: Russia China USA India Australia Correct answer: 1. USA USA holds almost 28% of world reserves
The correct statement about anthracite coal: The hardest of all coals is anthracite It contains the highest percentage of carbon Standalone it is not recommended for industrial use All of these Correct answer: 4. All of these
Hydrogen, when burnt, will produce: Carbon dioxide + Water Carbon dioxide only Water only None of these Correct answer: 3. Water only
Which one of the following is not a renewable: Hydropower Solar power Wind power Biomass None of these Correct answer: 5. None of these
After passing through turbine the steam is sent to: Economizer Preheater Superheater Condenser Correct answer: 4. Condenser
The superheater in steam power plant: Converts water into steam Derive heat from flue gases Dries the produced steam Increase temperature of supplied air for heating Correct answer: 3. Dries the produced steam
Function of boiler in Steam power plant is to: Dry the steam Converts water into steam Derive heat from flue gases Increase temperature of supplied air for heating Correct answer: 2. Convert water into steam