☰ Irrigation (Civil Engineering) - MCQs

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Q7.

A snow density of 0.1 may be considered for :

  • A. fresh powder snow
  • B. snow pack of the past 24 hr. or so
  • C. snow pack of the entire snow season
  • D. snow packed in glaciers

    ✍ Discuss    
Q8.

The force considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition are:

  • A. uplift pressure
  • B. water pressure
  • C. self- weight
  • D. earthquake pressure

    ✍ Discuss    
Q9.

The unit of area of a hydorgraph may be :

  • A. meters
  • B. sqm
  • C. cum
  • D. cumecs

    ✍ Discuss    
Q10.

The thickness of concrete lining, for discharge upto 200 cumes varies from :

  • A. 5 to 10 cm
  • B. 10 to 15 cm
  • C. 15 to 20 cm
  • D. 20 to 30 cm

    ✍ Discuss    
Q11.

Uplift pressure acting on a dam is controlled by :

  • A. pressure grouting in foundation
  • B. constructing drainage channels between dam and its foundation
  • C. constructing cut off under upstream face
  • D. all of these

    ✍ Discuss    
Q12.

Horizontal acceleration due to earthquake results in :

  • A. hydrodynamic pressure
  • B. inertia force into the body of the dam
  • C. both (a) and (b)
  • D. none of these

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