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Test: Superelevation - Civil Engineering (CE) MCQ


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5 Questions MCQ Test Transportation Engineering - Test: Superelevation

Test: Superelevation for Civil Engineering (CE) 2024 is part of Transportation Engineering preparation. The Test: Superelevation questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Superelevation MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Superelevation below.
Solutions of Test: Superelevation questions in English are available as part of our Transportation Engineering for Civil Engineering (CE) & Test: Superelevation solutions in Hindi for Transportation Engineering course. Download more important topics, notes, lectures and mock test series for Civil Engineering (CE) Exam by signing up for free. Attempt Test: Superelevation | 5 questions in 15 minutes | Mock test for Civil Engineering (CE) preparation | Free important questions MCQ to study Transportation Engineering for Civil Engineering (CE) Exam | Download free PDF with solutions
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Test: Superelevation - Question 1

What is the definition of Superelevation?

Detailed Solution for Test: Superelevation - Question 1

Superelevation or cant is the difference in height between outer and inner rail on a curve. The outer rail is gradually lifted above the inner rail to provide this.

Test: Superelevation - Question 2

The superelevation is

Detailed Solution for Test: Superelevation - Question 2

Superelevation:
It is the transverse slope to counteract the centrifugal force and to reduce the tendency of the vehicle to overturn or skid.
It is the rise of the outer edge of the pavement w.r.t inner edge on a horizontal curve thus providing a transverse slope throughout the length of the horizontal curve
It is also known as cant or banking.
Rate of Super elevation = e = tan⁡θ = E/B
Where,
E = Total superelevated height of the outer edge
B = Width of the pavement
General equation,

where,
f = Coefficient of lateral friction = 0.15
R = Radius of horizontal curve
It can be seen that the superelevation is directly proportional to the velocity of the vehicle
Mistake point:
The rate of superelevation is inversely proportional to the width of the pavement, but the superelevation is not. Superelevation is directly proportional to the velocity of the vehicle.

Test: Superelevation - Question 3

Which of the following is also known as another name of inner rail?

Detailed Solution for Test: Superelevation - Question 3

Inner rail is also known as Gradient rail. It is taken as reference rail while determining superelevation and is normally maintained at its original level.

Test: Superelevation - Question 4

What should be done if maximum permissible speed is less than maximum sectional speed?

Detailed Solution for Test: Superelevation - Question 4

Maximum permissible speed is the highest speed at which a train is permitted to travel on a curve. If it is less than maximum sectional speed, permanent speed restrictions should be imposed.

Test: Superelevation - Question 5

Which of the following is the correct formula for equilibrium superelevation in millimetres?

Detailed Solution for Test: Superelevation - Question 5

Equilibrium superelevation, e = F x G/W
= W/g x V2/R x G/W
= GV2/gR
e = GV2/127R in millimetres.

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