This set of Railway Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Ballast – Methods of Measurement”
1. What are the methods of measurement of quantity of ballast?
a) Stack measurement
b) Wagon measurement
c) Stack or wagon measurement
d) Line measurement
Explanation: Ballast is transported in wagons and stacked alongside the railway lines. Their quantity can be measured either in stack or in wagon.
2. Which of the following is an unfavourable condition for the stacking of Ballast?
a) Plane ground
b) Ground with good drainage
c) Firm ground
d) Hilly areas
Explanation: Stacking of ballast should be done in a plane, firm ground providing good drainage. In hilly areas stacking is difficult and hence height of stack can be less than 1m.
3. Why is a white line painted in case of Wagon measurement?
a) To indicate the level up to which ballast can be loaded
b) Ballast should be filled up to half the level of that line
c) To know the minimum level up to which ballast should be filled
d) To calculate the empty space inside the wagon
Explanation: A white line should be painted inside the wagon to specify the level up to which ballast can be loaded. This makes calculation of volume of ballast easier.
4. Which quantity should be painted outside the wagon?
a) Depth up to which ballast is filled
b) Volume of ballast in cubic metres
c) Minimum size of Ballast
d) Volume of whole wagon
Explanation: On the outside of the truck the volume in cubic metres up to the white line should be painted. It should be painted on both sides of the wagon.
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