Thermodynamics MCQ with Answers

Thermodynamics MCQ with Answers

276) The workdone in a free expansion process is zero.

Answer is:

Right

277) When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

Answer is:

thermodynamic process

278) The fuel mostly used in blast furnace for extracting pig iron from iron ores is

Answer is:

hard coke

The fuel mostly used in blast furnace for extracting pig iron from iron ores is

279) The ultimate analysis of coal consists of the determination of the percentage of

Answer is:

all of these

Explanation:

The ultimate analysis of coal consists of the determination of the percentage of
* carbon
* hydrogen and nitrogen
* sulphur and ash

280) The change of entropy, when heat is removed from the gas, is positive.

Answer is:

No

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