NEET-2023 Mock Test

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Questions and Answers

What is the power generated by the turbine when water falls from a height of 60 m at the rate of 10 kg/s to operate a turbine, considering 20% losses due to frictional forces? (Given: g = 10 m/s$^2$)

  • 4.8 kW
  • 2.4 kW (correct)
  • 6 kW
  • 4.8 W

Match the moment of inertia of a uniform ring (M, R) about an axis passing through the centre and normal to its plane.

  • (P) $MR^2$
  • (R) $rac{MR^2}{3}$
  • (A) Moment of inertia of uniform ring (M, R) about an axis passing through centre and normal to its plane (correct)
  • (Q) $rac{MR^2}{2}$

What is the power generated by the turbine when water falls from a height of 60 m at the rate of 10 kg/s to operate a turbine, considering 20% losses due to frictional forces? (Given: g = 10 m/s$^2$)

  • 4.8 kW (correct)
  • 5.2 kW
  • 4.8 W
  • 2.4 kW

Match the moment of inertia of a uniform ring (M, R) about an axis passing through the centre and normal to its plane.

<p>(M, R) - $rac{MR^2}{2}$ (B)</p> Signup and view all the answers

Flashcards

Turbine Power Output

The effective power output of the turbine is 2.4 kW, derived from the potential energy of water falling from 60m at a rate of 10 kg/s, accounting for 20% frictional losses.

Moment of Inertia of a Ring

The moment of inertia of a uniform ring (M, R) about an axis passing through the center and normal to its plane is MR^2.

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