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Indian Navy Pilot Mechanical Properties of Fluids — practice questions

Explore 2 free Mechanical Properties of Fluids questions in Indian Navy Pilot Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Mechanical Properties of Fluids questions and exercises with answers

Showing questions 1–2 of 2.

As per your syllabus, for an ADIABATIC process (no heat exchange, q = 0), the first law reduces to which form?Read the answer and worked solution →As per your syllabus, a reaction with ΔH < 0 AND ΔS > 0 is spontaneous under which condition?Read the answer and worked solution →

Worked practice questions

As per your syllabus, for an ADIABATIC process (no heat exchange, q = 0), the first law reduces to which form?

  1. ΔU = w_ad
  2. ΔU = 0
  3. ΔU = q
  4. ΔU = pΔV
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Correct answer: A. ΔU = w_ad

As per your syllabus, adiabatic: q=0 → ΔU = w_ad. All energy change comes from work.

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As per your syllabus, a reaction with ΔH < 0 AND ΔS > 0 is spontaneous under which condition?

  1. Only at low T
  2. At ALL temperatures
  3. Only at high T
  4. Never
Show answer and solution

Correct answer: B. At ALL temperatures

As per your syllabus, ΔH(−) + ΔS(+) ⇒ ΔG = ΔH − TΔS is always negative ⇒ spontaneous at all T.

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