Thermodynamics Quiz

Which of the following is a state function?

• Work

• Heat

• Internal Energy

• Path

First law of thermodynamics is a restatement of the law of conservation of:

• Mass

• Momentum

• Energy

• Charge

Which of the following is not a path function?

• Heat

• Work

• Pressure

• None of the above

Entropy is a measure of:

• Enthalpy

• Internal energy

• Disorder or randomness

• Work done

The second law of thermodynamics says:

• Energy is conserved

• Heat cannot flow from cold to hot body

• Every system wants to attain zero entropy

• Work can be fully converted to heat

In a cyclic process, the change in internal energy is:

• Maximum

• Minimum

• Zero

• Infinity

In a Carnot engine, efficiency depends on:

• Working substance

• Temperatures of source and sink

• Volume

• Heat capacity

The efficiency of a Carnot engine is given by:

• 1 - Q2/Q1

• Q2/Q1

• 1 + T2/T1

• W/Q2

Which of the following is true for a reversible process?

• Maximum entropy generation

• Minimum entropy generation

• Heat is completely converted to work

• Impossible in practice

Which of the following is an ideal gas law?

• PV = nRT

• PV = 1/RT

• P + V = nRT

• P = nVT