Blank Quiz

1. What will be the optimum depth of ballast cushion required for a BG railway track below then sleeper with sleeper density of (M+5) and bottom width of sleeper is 22.22 cm.

• a) 25 cm
• b) 21 cm
• c) 28 cm
• d) 30 cm

2. Which station of Mumbai got UNESCO’s Cultural Heritage award in July 2023?

• a) Bandra
• b ) Byculla
• c) Malad
• d)None of the above

3. Which of the following types of sleepers have the maximum service life?

• a) Wooden
• b) Steel
• c) Cast Iron
• d) Concrete

4. Which sleepers require insulating pads for track circuiting?

• a) Wooden sleepers
• b) Steel and CI sleepers
• c) Concrete sleepers
• d) Steel sleepers

5. Which type of sleeper has the maximum creep?

• a) Wooden
• b) Concrete
• c) Steel
• d) Cast Iron

6. The scrap value of concrete is _____

• a) None
• b) High
• c) Low
• d) Higher than wooden

7. Which one of the following statement is correct regarding ballast used for railway tracks

• a) The minimum depth of ballast for B.G. section is 20 cm – 25 cm
• b) The quantity of stone ballast required for one metre length of track is 0.53 m3 for B.G. section
• c) For M.G. section the width of ballast is 1.83 m
• d) The minimum depth of ballast for N.G. section is 10 cm

8 . The length of one rail is 15 m and the number of sleepers per rail length is 22. Find the expression for sleeper density and also find the number of sleepers required for the construction of 525 m of track.

• a) 770, (M + 9)
• b) 888, (M + 7)
• c) 888, (M + 9)
• d) 770, (M + 7)

9. The life of timber sleepers depends upon their ability to resist

• a) Wear
• b) Decay
• c) Attack by vermin
• d) All the above

10. Pot or bowl sleepers are types of

• a) Wooden sleepers
• b) Cast-iron sleepers
• c) Steel sleepers
• d) Concrete sleepers