8) When the gas is heated at constant volume, the heat supplied increases the internal energy of the gas.

Right

Wrong

None of these

None

Answer is:

Right

Explanation:

When the gas is heated at constant volume, the heat supplied increases the internal energy of the gas.

Thermodynamics MCQ with Answers

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9) Which of the following is the lightest and most volatile liquid fuel?

Gasoline

Kerosene

Fuel oil

Diesel

Answer is:

Gasoline

Explanation:

Gasoline or petrol is a transparent, petroleum-derived flammable liquid that is used primarily as a fuel in most spark-ignited internal combustion engines. Gasoline is the lightest and most volatile liquid fuel.

Which of the following is the lightest and most volatile liquid fuel?

10) The processes occuring in open system which permit the transfer of mass to and from the system, are known as

flow processes

non-flow processes

adiabatic processes

none of these

Answer is:

flow processes

Explanation:

Flow processes is one in which fluid enters the system and leaves it after work interaction, which means that such processes occur in the systems having open boundary permitting mass interaction across the system boundary.