Thermodynamics Quiz

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Test your thermo knowledge.

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Akmeir Kozhakhmet

Kazajstán

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Froggy Jumps Thermodynamics QuizVersión en línea Test your thermo knowledge. por Akmeir Kozhakhmet 1 What does the first law of thermodynamics state? a Energy cannot be created or destroyed; it is conserved. b Energy is created when heat flows in. c Entropy alone drives all energy changes. 2 In a closed system, the first-law form ΔU = ? a ΔU = −Q − W b ΔU = Q − W (work done by the system) c ΔU = Q + W 3 Carnot efficiency is given by η = 1 − ? a Tc+Th b Tc/Th c Th/Tc 4 What does entropy primarily measure? a Disorder or randomness of a system b Pressure at a point c Total energy content 5 Which heat transfer mode occurs by direct contact? a Convection b Conduction c Radiation 6 In heat transfer, heat flows from hot to cold unless what state exists? a Temperature gradient drives the flow b Entropy decreases c Pressure prevents it 7 What is the definition of specific heat capacity c? a Energy stored per unit volume b Heat released per mole c Heat required to raise 1 kg by 1 K 8 Enthalpy H is defined as? a H = U − pV b H = Q − W c H = U + pV 9 A reversible process has what entropy change? a ΔS > 0 b ΔS = 0 for the entire process (ideal case) c ΔS < 0 10 Which cycle is defined as a reversible cycle with maximum efficiency? a Rankine cycle b Carnot cycle c Otto cycle

Froggy Jumps

Thermodynamics QuizVersión en línea

Test your thermo knowledge.

por Akmeir Kozhakhmet

What does the first law of thermodynamics state?

Energy cannot be created or destroyed; it is conserved.

Energy is created when heat flows in.

Entropy alone drives all energy changes.

In a closed system, the first-law form ΔU = ?

ΔU = −Q − W

ΔU = Q − W (work done by the system)

ΔU = Q + W

Carnot efficiency is given by η = 1 − ?

Tc+Th

Tc/Th

Th/Tc

What does entropy primarily measure?

Disorder or randomness of a system

Pressure at a point

Total energy content

Which heat transfer mode occurs by direct contact?

Convection

Conduction

Radiation

In heat transfer, heat flows from hot to cold unless what state exists?

Temperature gradient drives the flow

Entropy decreases

Pressure prevents it

What is the definition of specific heat capacity c?

Energy stored per unit volume

Heat released per mole

Heat required to raise 1 kg by 1 K

Enthalpy H is defined as?

H = U − pV

H = Q − W

H = U + pV

A reversible process has what entropy change?

ΔS > 0

ΔS = 0 for the entire process (ideal case)

ΔS < 0

Which cycle is defined as a reversible cycle with maximum efficiency?

Rankine cycle

Carnot cycle

Otto cycle

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Thermodynamics Quiz

Froggy Jumps

Sobre esta actividad

Creada por

Descarga la versión para jugar en papel

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Thermodynamics QuizVersión en línea

por Akmeir Kozhakhmet

What does the first law of thermodynamics state?

In a closed system, the first-law form ΔU = ?

Carnot efficiency is given by η = 1 − ?

What does entropy primarily measure?

Which heat transfer mode occurs by direct contact?

In heat transfer, heat flows from hot to cold unless what state exists?

What is the definition of specific heat capacity c?

Enthalpy H is defined as?

A reversible process has what entropy change?

Which cycle is defined as a reversible cycle with maximum efficiency?

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