Thermodynamics ELEMENTS

Thermodynamics ELEMENTS

University

141 Qs

quiz-placeholder

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Thermodynamics ELEMENTS

Thermodynamics ELEMENTS

Assessment

Quiz

Mathematics

University

Practice Problem

Hard

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141 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Enthalpy of an ideal gas is a function only of ________

Entropy

Internal energy

Temperature

Pressure

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the most efficient thermodynamic cycle?

Brayton

Otto

Carnot

Diesel

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the law of thermodynamics?

Internal energy is due to molecular motion

Entropy of the universe is increased by irreversible processes

Energy can neither be created nor destroyed

Heat energy cannot be completely transformed into work

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An ideal gas is compressed isothermally. What is the enthalpy change?

Always negative

Always positive

Zero

Undefined

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name the process that has no heat transfer.

Isothermal

Isobaric

Polytropic

Adiabatic

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An ideal gas is compressed in a cylinder so well insulated that there is essentially no heat transfer. The temperature of the gas.

Decreases

Increases

Remain constant

Is zero

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the SI unit of pressure?

Kg

Dynes

Pascal

Psi

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