The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in (A) An open system of constant composition (B) A closed system of constant composition (C) An open system with changes in composition (D) A closed system with changes in composition

The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in
(A) An open system of constant composition
(B) A closed system of constant composition
(C) An open system with changes in composition
(D) A closed system with changes in composition
by

1 Answer

Answer :

(D) A closed system with changes in composition
by

Related questions

The equation Tds = dE - PdV applies to (A) Single phase fluid of varying composition (B) Single phase fluid of constant composition (C) Open as well as closed systems (D) Both (B) and (C)

Description : The equation Tds = dE - PdV applies to (A) Single phase fluid of varying composition (B) Single phase fluid of constant composition (C) Open as well as closed systems (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

The equation Tds = dE - PdV applies to (A) Single phase fluid of varying composition (B) Single phase fluid of constant composition (C) Open as well as closed systems (D) Both (B) and (C)

Description : The equation Tds = dE - PdV applies to (A) Single phase fluid of varying composition (B) Single phase fluid of constant composition (C) Open as well as closed systems (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass?(A) dE = Tds - PdV (B) dQ = CvdT + PdV (C) dQ = CpdT + Vdp (D) Tds = dE - PdV

Description : Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass? (A) dE = Tds - PdV (B) dQ = CvdT + PdV (C) dQ = CpdT + Vdp (D) Tds = dE - PdV

Last Answer : (A) dE = Tds - PdV

What is the equation for the work done by a constant temperature system?  A. W = mRTln(V2-V1)  B. W = mR( T2-T1 ) ln( V2/V1)  C. W = mRTln (V2/V1)  D. W = RT ln (V2/V1) Formula : W=∫ pdV lim1,2 ∫ = mRT / V

Description : What is the equation for the work done by a constant temperature system?  A. W = mRTln(V2-V1)  B. W = mR( T2-T1 ) ln( V2/V1)  C. W = mRTln (V2/V1)  D. W = RT ln (V2/V1) Formula : W=∫ pdV lim1,2 ∫ = mRT / V

Last Answer : W = mRTln (V2/V1)

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For a constant volume process (A) dE = CpdT (B) dE = CvdT (C) dQ = dE + pdV (D) dW = pdV

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Last Answer : (B) dE = CvdT

The energy equation, E + (p/ρ) + (V 2 /2g) + gZ = constant (E = internal energy/mass), is applicable to (A) Perfect gases only (B) Isothermal flow of gases (C) Adiabatic unsteady flow of gases (D) All compressible fluids

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Last Answer : (D) All compressible fluids

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Pick out the correct statement. (A) A catalyst speeds up the forward reaction but slows shown the reverse reaction (B) Addition of catalyst changes the equilibrium constant (C) Pressure changes do not change the equilibrium concentrations (D) The composition of equilibrium is changed by catalyst

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What is the full form of 'TDS' ? -How To ?

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Last Answer : The TDS of water is tested to determine the level of TDS, which is a complete form of TDS.

What is TDS ?

Last Answer : Trax deduction at source (tax deduction at source). If the entity responsible for deducting the source tax from the taxpayer's income is deducted from the source of income, it is necessary ... . The tax deductible authority certificate must be submitted with the return in favor of withholding tax.

Have an old Dell waning to get a Macbook & need a different modem for TDS Where how what?

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Last Answer : Plant Energy Performance (PEP)

is the measure of whether a plant is now using more or less energy to manufacture its product than it did in the past. a) Total Dissolved Solids (TDS) b) Plant Energy Performance (PEP) c) Revolutions Per Minute (RPM) d) Option (a) and (b)

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Last Answer : Plant Energy Performance (PEP)

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Last Answer : (A) 500 mg/L

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Last Answer : (B) Resist corrosion very strongly

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Last Answer : (B) Cavitation

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The various stages occuring in GPS system are described below: 1. Generation of an output to the user 2. Detection of the GPS signals 3. Processing the data in the built-in-computer 4. Decoding the GPS signal. The correct sequence of the stages is: (A) 1, 2, 3, 4 (B) 2, 3, 4, 1 (C) 2, 4, 3, 1 (D) 3, 1, 2 , 4

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Pick up the assumption for the design of a pre-stressed concrete member from the following: (A) A transverse plane section remains a plane after bending (B) During deformation limits, Hook's law is equally applicable to concrete as well as to steel (C) Variation of stress in reinforcement due to changes in external loading is negligible (D) All the above

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Last Answer : Answer: Option D

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Last Answer : (C) Inhibits further deterioration