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ProblemsClear skill: Second Law Build a practice set

ProblemCourse & topicStatus

THERMO:9907051A rigid tank contains 0.80 kg of argon at 350 kPa and 120 °C (393 K).

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907052A vertical piston–cylinder device contains 0.060 m³ of nitrogen at 22 °C (295 K).

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907053Mathematical problem title

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907054A polytropic compression with n = 1.20 takes 0.35 kg of air from 90 kPa and 290 K to a final volume equal to…

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907055A frictionless piston–cylinder device contains 1.10 kg of air at 180 kPa and 20 °C (293 K).

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907056A fixed mass of 0.20 kg of air occupies 0.15 m³ at 300 K.

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907057Mathematical problem title

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907058A closed piston–cylinder assembly contains 0.70 kg of air.

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907059Argon undergoes a two-step closed-system process in a piston–cylinder device.

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907060Two rigid tanks are connected by a closed valve.

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907061Superheated steam flows steadily through a converging process nozzle.

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907062Mathematical problem title

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907063Helium flows steadily at 0.150 kg/s through a small nozzle used in a cryogenic bypass line.

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907064Mathematical problem title

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907065Low-pressure steam enters a diffuser that discharges into a process header.

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907066Mathematical problem title

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907067A biomass-fired steam turbine operates at steady state.

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907068Air flows steadily at 4.80 kg/s through a micro gas-turbine.

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907069An extraction steam turbine operates at steady state with a single bleed.

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907070A workshop air compressor operates at steady state.

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907071Nitrogen is compressed steadily in a jacket-cooled booster.

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907072Argon for a welding manifold is compressed at steady state.

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907073A municipal booster pump handles liquid water as an incompressible fluid of density ρ = 997 kg/m³ (so v = 1/ρ is…

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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THERMO:9907074Mathematical problem title

Second LawThermodynamics Problem Solving

Entropy and the second lawThermodynamics · Calculation

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Showing 24 of 50 matching problems.

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A rigid tank contains 2.50 kg of a saturated liquid–vapor mixture of water at 150 °C with quality

x_1

= 0.20.

A frictionless piston–cylinder device contains air at 150 kPa with

V_1

= 0.12 m³ and

T_1

= 300 K.

Air, modelled as an ideal gas with

c_p

= 1.005 kJ/kg·K and R = 0.287 kJ/kg·K, flows steadily through a laboratory…

Ram air enters a UAV diffuser at

T_1

= 268 K,

P_1

= 75.0 kPa, and

V_1

= 265 m/s through an inlet area

A_1

= 0.0180 m².

Carbon dioxide, modelled as an ideal gas with

c_p

= 0.846 kJ/kg·K and R = 0.1889 kJ/kg·K, flows steadily at 2.40…

A hydraulic power unit pumps incompressible oil of density ρ = 870 kg/m³ and specific heat

c_p

= 1.90 kJ/kg·K.