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The polytropic index is zero for _______ process.

This question was previously asked in
NPCIL ST ME (07/11/2019, Shift-2)
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  1. Constant volume
  2. Constant pressure
  3. Constant temperature
  4. Isentropic

Answer (Detailed Solution Below)

Option 2 : Constant pressure
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Detailed Solution

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Concept:

Polytropic Process is represented by:

PVn = C

  • n = 0 ⇒ P = C ⇒ Constant Pressure Process (Isobaric Process)
  • n = 1 ⇒ PV = C ⇒ Constant Temperature Process (Isothermal process)
  • n = γ ⇒ PVγ = C ⇒ Adiabatic Process
  • n = ∞ ⇒ V = C ⇒ Constant Volume Process (Isochoric process)

RRB JE ME 46 11Q TE CH 1 Hindi Diag(Shashi) images Q6

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