According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary

  • ADirectly as the air or gas density
  • BInversely as square root of density
  • CInversely as density
  • DAs square of density
Correct Answer : (C)

Inversely as density

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According to Bernoulli's equation for steady ideal fluid flow


A Francis turbine is used when the available head of water is

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