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Railway Engineering
Railway Engineering Assessment
Quiz 1
Solution
Q.1.
What is a gradient in which track loses elevation in direction of movement of traffic called?
a) Ruling gradient
b) Falling gradient
c) Rising gradient
d) Level gradient
Q.2.
What is the meaning of a gradient represented as 1 in 400?
a) A rise of 1m in 400m
b) Rise of 400m in 1km
c) A 400% rise in track
d) A 1m rise in 4km
Q.3.
Which gradient determines the maximum load that can be hauled by a locomotive on that section?
a) Rising gradient
b) Falling gradient
c) Ruling gradient
d) Momentum gradient
Q.4.
What is the range for ruling gradient adopted by the Indian railways in hilly terrain?
a) 1 in 100 to 1 in 200
b) 1 in 100 to 1 in 150
c) 1 in 150 to 1 in 250
d) 1 in 250 to 1 in 300
Q.5.
What is Pusher gradient also known as?
a) Friction gradient
b) Helper gradient
c) Momentum gradient
d) Ruling gradient
Q.6.
Which of the following is correct about Momentum gradient?
a) A falling gradient is followed by a rising gradient
b) It is not steeper than the Ruling gradient
c) It requires an extra engine
d) It is very flat
Q.7.
Certain Flat gradient is provided at station yards to ensure good drainage.
a) True
b) False
Q.8.
What is the reason of compensation of Gradient on curves?
a) They are very difficult to design
b) They are uneconomical
c) Curves provide extra resistance
d) They are dangerous
Q.9.
What is the value of Grade compensation on Broad Gauge?
a) 0.04% per degree of curve
b) 70/R, where R is the radius of curve
c) 0.04% per degree of curve or 70/R whichever is minimum
d) 0.03% per degree of curve or 35/R whichever is minimum
Q.10.
Find the steepest gradient on a 3 degree curve for a BG line with ruling gradient of 1 in 200.
a) 1 in 200
b) 1 in 432
c) 1 in 284
d) 1 in 263
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