Anthracite, also known as hard coal, is a hard, compact variety of coal that has a submetallic luster. It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals.
109) Which of the following has the highest calorific value?
Answer is:
Anthracite coal
Explanation:
Related Thermodynamics MCQ with Answers
Answer is:
all of these
Explanation:
When a gas is heated, change takes place in
* pressure
* volume
* temperature
Answer is:
Temperature
Explanation:
Extensive properties The properties of the system, whose value for the entire system is equal to the sum of their values for the individual parts of the system, are called extensive properties.
For example, total volume, total mass and total energy of a system are extensive properties.
Intensive properties The properties of the system, whose value for the entire system is not equal to the sum of their values for the individual parts of the system, are called intensive properties.
For example, temperature, pressure and density of a system are intensive properties.