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Railway Engineering
Railway Engineering Written Test
Quiz 1
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Q.1
Which formula is used for the calculation of number of crossing based on Centre line method?
a) 2N = cot (α/2)
b) N = cot (α/2)
c) 2N = tan (α/2)
d) N = tan (α/2)
Q.2
What is another name of Coles method?
a) Isosceles method
b) Right angle method
c) Centre line method
d) Back toe method
Q.3
All the methods used for determining the number of crossing give the same value.
a) True
b) False
Q.4
What is the limiting wear for a crossing?
a) 50mm
b) 10mm
c) 15mm
d) 25mm
Q.5
What is done for reconditioning of crossings at site?
a) They are hammered
b) Gas welding
c) Replacing the elements
d) Filling of material in gaps
Q.6
Which of the following is used for gas welding of crossings?
a) Oxyacetylene flame
b) Methylene flame
c) Nitrogen-carbon dioxide flame
d) Ozone flame
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