Wooden Sleepers MCQ

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• Which is the most used method for seasoning of wooden sleepers in India?
  ক

  Air seasoning

  খ

  Artificial seasoning

  গ

  Boulton seasoning

  ঘ

  Kiln seasoning
• This process of cutting the wooden sleeper at a slope of 1 in 20 is known as ________
  ক

  adzing of wooden sleepers

  খ

  laying of wooden sleepers

  গ

  seasoning of sleepers

  ঘ

  prophylactic treatment of sleepers
• In which type of sleepers the heartwood side is kept upwards and the sapwood side downwards?
  ক

  Treated sleepers

  খ

  Untreated sleepers

  গ

  Both treated and untreated sleepers

  ঘ

  Neither treated nor untreated sleepers
• Which of the following is not a way of stacking of sleepers?
  ক

  One and nine method

  খ

  Close crib method

  গ

  Open crib method

  ঘ

  Nine and one method
• Seasoning of sleepers is done to remove the excess preservative from the wood?
  ক

  True

  খ

  False
• What is used for removing the moisture content in Boulton process?
  ক

  Water (cold)

  খ

  Hot preservative
• Why is prophylactic treatment of sleepers done?
  ক

  To prevent infection at the treatment plant

  খ

  To make it stronger

  গ

  To remove excess preservative

  ঘ

  To remove creosote oil
• What is the order for recovery of preservatives in these processes?
  ক

  Rueping process < Lowry process < Bethell process

  খ

  Rueping process > Lowry process > Bethell process

  গ

  Rueping process < Lowry process < Bethell process

  ঘ

  Rueping process = Lowry process = Bethell process
• Where are Fir sleepers used?
  ক

  Lines with traffic density less than 10GMT

  খ

  Lines with traffic density less than 30GMT

  গ

  All main lines

  ঘ

  All trunk routes
• Empty cell (Rueping) process is used for treating which type of timber?
  ক

  Hard timber

  খ

  Porous timber

  গ

  Soft wood

  ঘ

  Deodar timber
• Why a final vacuum is applied in the Full cell process?
  ক

  To free the timber of excessive preservative

  খ

  To add extra preservative

  গ

  To maintain equilibrium

  ঘ

  To drain the creosote oil
• In which process maximum retention of hot creosote oil is practiced?
  ক

  Full cell process

  খ

  Empty cell process

  গ

  Seasoning of sleepers

  ঘ

  Prophylactic treatment of sleepers
• What is another name of Full cell method?
  ক

  Bethell process

  খ

  Rueping process

  গ

  Lowry process

  ঘ

  Andrew process
• The sleepers made of wood from naturally durable species are classified as ______
  ক

  treated sleepers

  খ

  durable sleepers

  গ

  untreated sleepers

  ঘ

  non-durable sleepers
• What is timber produced from trees with broad leaves also known as?
  ক

  Soft wood

  খ

  Durable wood

  গ

  Hard wood

  ঘ

  Treated wood
• What will happen if Non-durable type of sleepers are used without any treatment?
  ক

  Decay of sleeper will take place

  খ

  The sleeper will not fit properly

  গ

  Fastenings will not work

  ঘ

  It won’t cause any harm
• Which type of sleepers do not require any treatment and can be directly laid on the track?
  ক

  Non-durable type

  খ

  Durable type

  গ

  Treated type

  ঘ

  Untreated type
• According to the recommendations of the committee of the railway board what should be used compulsorily when traffic density exceeds 20GMT on BG routes?
  ক

  Bearing plates

  খ

  Colour codes

  গ

  Stone ballast

  ঘ

  Concrete sleepers
• Centre heart, knots, split ends are basically the types of ______ found in wooden sleepers.
  ক

  Defects

  খ

  Fastenings

  গ

  Joints

  ঘ

  strength properties
• Which of the following is not a major reason for less service life of wooden sleepers?
  ক

  Attack by ants

  খ

  Wear because of load

  গ

  Decay due to various conditions

  ঘ

  Less scrap value
• What does ‘S’ stand for in the CSI equation?
  ক

  General strength for green timber at 12% moisture content

  খ

  General strength for dry timber at 12% moisture content

  গ

  General strength for both green and dry timber at 12% moisture content

  ঘ

  General strength for both green and dry timber at 15% moisture content
• What is the formula for the Composite sleeper index of a wooden sleeper?
  ক

  CSI = (S + 10H)/20

  খ

  CSI = (S + 10H)/10

  গ

  CSI = (S + 20H)/20

  ঘ

  CSI = (S + 5H)/20
• The index used to determine the suitability of a particular timber for use as a sleeper is called as _______
  ক

  Composite strength index

  খ

  Composite sleeper index

  গ

  Compressive strength index

  ঘ

  Compressive sleeper index
• What is governed by the length and width of the sleeper?
  ক

  The bearing area

  খ

  Cant value

  গ

  Drainage properties

  ঘ

  Stiffness
• What is the importance of the depth of a sleeper?
  ক

  It directs its stiffness

  খ

  It controls the bearing area

  গ

  It makes the rails stronger

  ঘ

  It lessens the maintenance cost