Science Quiz - Question & Answers Set - 84

  • Question 2 :
  • Kinematic  viscosity is the:

  • Product of absolute viscosity and density of the liquid
  • Ratio of density of the liquid to absolute viscosity
  • Product of absolute viscosity and masses of liquid
  • Ratio of absolute viscosity to the density of the liquid
  • Question 6 :
  • Cavitation in hydraulic machinery:

  • Reduce discharge of the turbine
  • Causes noise,vibrations of various parts
  • Causes sudden drop in power output and efficiency
  • All of the above
  • Question 14 :
  • The mechanical efficiency of an impulse turbine is:

  • Ratio of actual work available at turbine to the energy imparted to the wheel
  • Ratio of actual power produced by the turbine to the energy actually supplied by the turbine
  • Ratio of work done on the wheel to the energy of the jet
  • None of the above
Science Quiz - Question & Answers Set - 84
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