Civil Engineering (CE) Exam > Civil Engineering (CE) Questions > On a circular curve, the rate of super elevat...
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On a circular curve, the rate of super elevation is ‘e’ while negotiating the curve, vehicle comes a stop. It was observed that the stopped vehicle is sliding inwards in radial direction. If the coefficient of friction is ‘f’ which of the following is true?
- a)e > f
- b)e < f
- c)e < 2f
- d)None of these is correct
Correct answer is option 'A'. Can you explain this answer?
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On a circular curve, the rate of super elevation is ‘e’ wh...
Condition for stopped vehicle is sliding downword in radial direction
Wsinθ > fWcosθ
sinθ > fcosθ
tanθ > f
e > f
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On a circular curve, the rate of super elevation is ‘e’ wh...
Analysis of the Sliding Vehicle on Circular Curve:
Rate of Super Elevation:
- Super elevation is the banking provided on curves to counteract the centrifugal force acting on the vehicle.
- The rate of super elevation, denoted by 'e', determines the banking angle of the curve.
Observation:
- When a vehicle comes to a stop on a circular curve, it was observed that the vehicle starts sliding inwards in the radial direction.
- This sliding motion indicates that there is a force acting towards the center of the curve.
Coefficient of Friction:
- The coefficient of friction, denoted by 'f', determines the frictional force between the tires of the vehicle and the road surface.
- It is a measure of the grip or traction between the tires and the road.
Comparison of Super Elevation and Coefficient of Friction:
- The super elevation 'e' provides the necessary banking to counteract the centrifugal force during motion on the curve.
- However, when the vehicle comes to a stop, the only force preventing it from sliding inwards is the frictional force.
- The relationship between the rate of super elevation 'e' and the coefficient of friction 'f' is crucial in determining the stability of the vehicle.
- If the rate of super elevation 'e' is greater than the coefficient of friction 'f', the vehicle will slide inwards due to insufficient frictional force to counteract the centrifugal force.
- Therefore, the correct statement is that 'e > f'.
Conclusion:
- In the given scenario, where a stopped vehicle is sliding inwards on a circular curve, the rate of super elevation 'e' is greater than the coefficient of friction 'f'.
- This imbalance between the banking angle and the frictional force leads to the observed sliding motion of the vehicle towards the center of the curve.
Rate of Super Elevation:
- Super elevation is the banking provided on curves to counteract the centrifugal force acting on the vehicle.
- The rate of super elevation, denoted by 'e', determines the banking angle of the curve.
Observation:
- When a vehicle comes to a stop on a circular curve, it was observed that the vehicle starts sliding inwards in the radial direction.
- This sliding motion indicates that there is a force acting towards the center of the curve.
Coefficient of Friction:
- The coefficient of friction, denoted by 'f', determines the frictional force between the tires of the vehicle and the road surface.
- It is a measure of the grip or traction between the tires and the road.
Comparison of Super Elevation and Coefficient of Friction:
- The super elevation 'e' provides the necessary banking to counteract the centrifugal force during motion on the curve.
- However, when the vehicle comes to a stop, the only force preventing it from sliding inwards is the frictional force.
- The relationship between the rate of super elevation 'e' and the coefficient of friction 'f' is crucial in determining the stability of the vehicle.
- If the rate of super elevation 'e' is greater than the coefficient of friction 'f', the vehicle will slide inwards due to insufficient frictional force to counteract the centrifugal force.
- Therefore, the correct statement is that 'e > f'.
Conclusion:
- In the given scenario, where a stopped vehicle is sliding inwards on a circular curve, the rate of super elevation 'e' is greater than the coefficient of friction 'f'.
- This imbalance between the banking angle and the frictional force leads to the observed sliding motion of the vehicle towards the center of the curve.
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On a circular curve, the rate of super elevation is ‘e’ while negotiating the curve, vehicle comes a stop. It was observed that the stopped vehicle is sliding inwards in radial direction. If the coefficient of friction is ‘f’ which of the following is true?a)e > fb)e < fc)e < 2fd)None of these is correctCorrect answer is option 'A'. Can you explain this answer?
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On a circular curve, the rate of super elevation is ‘e’ while negotiating the curve, vehicle comes a stop. It was observed that the stopped vehicle is sliding inwards in radial direction. If the coefficient of friction is ‘f’ which of the following is true?a)e > fb)e < fc)e < 2fd)None of these is correctCorrect answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about On a circular curve, the rate of super elevation is ‘e’ while negotiating the curve, vehicle comes a stop. It was observed that the stopped vehicle is sliding inwards in radial direction. If the coefficient of friction is ‘f’ which of the following is true?a)e > fb)e < fc)e < 2fd)None of these is correctCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for On a circular curve, the rate of super elevation is ‘e’ while negotiating the curve, vehicle comes a stop. It was observed that the stopped vehicle is sliding inwards in radial direction. If the coefficient of friction is ‘f’ which of the following is true?a)e > fb)e < fc)e < 2fd)None of these is correctCorrect answer is option 'A'. Can you explain this answer?.
On a circular curve, the rate of super elevation is ‘e’ while negotiating the curve, vehicle comes a stop. It was observed that the stopped vehicle is sliding inwards in radial direction. If the coefficient of friction is ‘f’ which of the following is true?a)e > fb)e < fc)e < 2fd)None of these is correctCorrect answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about On a circular curve, the rate of super elevation is ‘e’ while negotiating the curve, vehicle comes a stop. It was observed that the stopped vehicle is sliding inwards in radial direction. If the coefficient of friction is ‘f’ which of the following is true?a)e > fb)e < fc)e < 2fd)None of these is correctCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for On a circular curve, the rate of super elevation is ‘e’ while negotiating the curve, vehicle comes a stop. It was observed that the stopped vehicle is sliding inwards in radial direction. If the coefficient of friction is ‘f’ which of the following is true?a)e > fb)e < fc)e < 2fd)None of these is correctCorrect answer is option 'A'. Can you explain this answer?.
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