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MCQs

Total Questions : 203 | Page 20 of 21 pages
Question 191. .  Pick up the mechanical ventilation method used for tunnels from the following
  1.    blowing fresh air by ducts to the face of tunnel
  2.    exhausting foul air by ducts from the face of the tunnel and permitting fresh air through the tunnel
  3.    blowing fresh air and exhausting foul air by ducts
  4.    all the above.
 Discuss Question
Answer: Option D. -> all the above.
Question 192. . The method of draining in the tunnels, is generally known as
  1.    foredrainage
  2.    dewatering
  3.    permanent drainage
  4.    All of the above.
 Discuss Question
Answer: Option D. -> All of the above.
Question 193. .  Which one of the following methods is generally used for the layout of the muck-car tracks
  1.    the grass hopper method
  2.    passing track method
  3.    the cherry picker
  4.    All the above.
 Discuss Question
Answer: Option D. -> All the above.
Question 194. .  In the wooded bulk-head, used for mucking in steep grade tunnels,
  1.    one opening is provided
  2.    two openings are provided
  3.    three openings are provided
  4.    no opening is provided.
 Discuss Question
Answer: Option B. -> two openings are provided
Question 195. .  An overhead track on a large truss frame is required in case of car changer by
  1.    the grass hopper method
  2.    the passing track method
  3.    California crossing method
  4.    Dixon conveyor method.
 Discuss Question
Answer: Option A. -> the grass hopper method
Question 196. .  For hauling muck from the tunnel, the following type of muck-car is used :
  1.    muck box
  2.    balle-ship
  3.    side dump car
  4.    All of these.
 Discuss Question
Answer: Option D. -> All of these.
Question 197. . The method of draining in the tunnels, is generally known as
  1.    foredrainage
  2.    dewatering
  3.    permanent drainage
  4.    All of the above.
 Discuss Question
Answer: Option D. -> All of the above.
Question 198. . Which one of the following methods is adopted for permanent drainage of tunnels :
  1.    provision of longitudinal drains
  2.    continuous open drains
  3.    concrete lining
  4.    All the above.
 Discuss Question
Answer: Option D. -> All the above.
Question 199. .  In the wooded bulk-head, used for mucking in steep grade tunnels,
  1.    one opening is provided
  2.    two openings are provided
  3.    three openings are provided
  4.    no opening is provided.
 Discuss Question
Answer: Option B. -> two openings are provided
Question 200. .  An overhead track on a large truss frame is required in case of car changer by
  1.    the grass hopper method
  2.    the passing track method
  3.    California crossing method
  4.    Dixon conveyor method.
 Discuss Question
Answer: Option A. -> the grass hopper method

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