Hydraulics & Hydraulic Machinery Important Questions – HHM Imp Qusts

Hydraulics & Hydraulic Machinery Important Questions Pdf file – HHM Imp Qusts

Please find the attached pdf file of Hydraulics & Hydraulic Machinery Important Questions Bank – HHM Imp Qusts

Link – HHM Question Bank

UNIT – I

  1. What do you understand by flow in open channel?
  2. Differentiate between critical , sub critical and super critical flow in open channel.
  3. Explain the terms : i) rapidly varying flow ii)gradually varying flow.

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UNIT – II

  1. Define the terms dimensional analysis and model analysis.
  2. What do you mean by fundamental and derived units ?give examples
  3. Explain the term “dimensionally homogeneous equation”.

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UNIT – III

  1. Define the term impact of jets
  2. Obtain an expression for the force exerted by a jet of water on a fixed vertical plate in the direction of jet.
  3. Water is flowing through a pipe at the end of which a nozzle is fitted .the diameter of the nozzle 100mm and the head of water at the centre of nozzle is 100 m .find the force exerted by the jet of water on a fixed vertical plate .the coefficient of velocity is given as 0.95.

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UNIT – IV

  1. What is meant by turbine?
  2. Discuss about following efficiencies : i)hydraulic efficiency ii) mechanical efficiency iii)volumetric efficiency iv)over all efficiency.
  3. Discuss about classification of hydraulic turbines.

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UNIT – V

  1. What is meant by pump and discuss about pump installation?
  2. Discuss about classification of pumps?
  3. Define the following :i) suction head ii) delivery head iii)static head

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