Semi Modules Types MCQ

Test your knowledge with important Semi Modules Types MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Semi Modules Types MCQs at Bissoy

• For a wide trapezoidal channel, the channel index is ______
  ক

  2/3

  খ

  5/3

  গ

  4/3

  ঘ

  1/3
• Choose the incorrect advantage of AOSM.
  ক

  The adjustment can be made by raising or lowering the roof blocks at low costs by dismantling the masonry in which the roof bolts are fixed

  খ

  Any undue tampering of roof blocks by the cultivators can be easily detected

  গ

  The module is not perfectly rigid

  ঘ

  It is the most simple and cheaper outlet
• The principal feature of an ASOM is similar to those of a flume regulator.
  ক

  True

  খ

  False
• An irrigation outlet is said to be proportional, when its ______________
  ক

  Setting = outlet index/ channel index

  খ

  Setting = channel index/ outlet index

  গ

  Setting = channel index x outlet index

  ঘ

  Setting = channel index + Outlet index
• The only irrigation semi-module through which the discharge is not proportional to H1/2 where H is the head causing flow through the module is _____________
  ক

  kennedy’s gauge outlet

  খ

  open flume outlet

  গ

  free pipe outlet

  ঘ

  adjustable orifice semi-module
• Calculate the discharge through an open flume outlet for the following data: Coefficient of discharge = 1.71 Width of the throat = 0.15 m Head over the crest measured from FSL of distributary = 1.8 m
  ক

  0.62 cumecs

  খ

  0.82 cumecs

  গ

  0.62 lit/sec

  ঘ

  6.2 lit/sec
• The proportionality of APM was sacrificed to enable the outlet to carry higher silt charge by increasing the setting to 8/10.
  ক

  True

  খ

  False
• Calculate the minimum modular head loss involved in ASOM if the head measured from the upstream water level in the distributary is 1.5 m and the width of the throat as 0.16 m.
  ক

  1.50 m

  খ

  1.15 m

  গ

  1.07 m

  ঘ

  1.00 m
• Which module is mostly adopted and is considered to be the best of all the modules?
  ক

  Adjustable orifice semi-module

  খ

  Open flume outlet

  গ

  Venturi-flume outlet

  ঘ

  Free pipe outlet
• Calculate full supply discharge for a free pipe outlet for the following data. Head on the upstream side above the centre line of pipe = 0.55 m Coefficient of discharge = 0.62 The diameter of the pipe = 25 cm
  ক

  8 lit/sec

  খ

  9 lit/sec

  গ

  0.9 lit/sec

  ঘ

  9 cumecs
• Which of the following is the simplest and the oldest type of a flexible outlet?
  ক

  Kennedy’s gauge outlet

  খ

  Open flume outlet

  গ

  Free pipe outlet

  ঘ

  Adjustable orifice semi-module
• Which of the following is not a type of semi-modules?
  ক

  Free pipe outlet

  খ

  Kennedy’s Gauge outlet

  গ

  Open flume outlet

  ঘ

  Gibb’s module