Podcast
Questions and Answers
What is the relationship between P and W based on the equation P/W = (Sin θ + fCos θ)/(Cosθ - fSin θ)?
What is the relationship between P and W based on the equation P/W = (Sin θ + fCos θ)/(Cosθ - fSin θ)?
- P is inversely proportional to W (correct)
- P is directly proportional to W
- P is quadratically related to W
- P and W are equal
In the context of the equation v2/(g*R) = e + f, what does 'e' represent?
In the context of the equation v2/(g*R) = e + f, what does 'e' represent?
- Pressure on inner tyres
- Rate of superelevation (correct)
- Normal force
- Coefficient of lateral friction
If the coefficient of lateral friction 'f' is zero, what does 'e' represent in the equation v2/(g*R) = e + f?
If the coefficient of lateral friction 'f' is zero, what does 'e' represent in the equation v2/(g*R) = e + f?
- Pressure on outer tyres
- Equilibrium superelevation (correct)
- Rate of super elevation
- Coefficient of friction
Considering the equation P*(Cosθ - fSin θ) = W(Sin θ + f*Cos θ), which statement is true?
Considering the equation P*(Cosθ - fSin θ) = W(Sin θ + f*Cos θ), which statement is true?
Based on the equation P/W = v2/gR = (Tanθ + f)/(1 - fTan θ), what happens if 'f*Tanθ' is too small?
Based on the equation P/W = v2/gR = (Tanθ + f)/(1 - fTan θ), what happens if 'f*Tanθ' is too small?
Why is superelevation typically provided on horizontal circular curves?
Why is superelevation typically provided on horizontal circular curves?
What is the purpose of providing extra widening on the inner side of a horizontal circular curve?
What is the purpose of providing extra widening on the inner side of a horizontal circular curve?
What is the effect of rigid wheel bases on the need for extra widening on horizontal curves?
What is the effect of rigid wheel bases on the need for extra widening on horizontal curves?
Why do drivers tend to move towards the center line while negotiating a horizontal curve?
Why do drivers tend to move towards the center line while negotiating a horizontal curve?
What factor counteracts the effect of superelevation on horizontal curves?
What factor counteracts the effect of superelevation on horizontal curves?
How does centrifugal force impact vehicle trajectory on horizontal circular curves?
How does centrifugal force impact vehicle trajectory on horizontal circular curves?
What is the purpose of eliminating the crown and rotating the pavement in the context of attaining superelevation?
What is the purpose of eliminating the crown and rotating the pavement in the context of attaining superelevation?
In the context of superelevation, what does 'tangent runoff distance' refer to?
In the context of superelevation, what does 'tangent runoff distance' refer to?
What are the two methods discussed for eliminating the crown in the process of attaining superelevation?
What are the two methods discussed for eliminating the crown in the process of attaining superelevation?
Why is it important to attain full superelevation on a carriageway?
Why is it important to attain full superelevation on a carriageway?
Which method involves rotating the pavement about the inner edge in order to attain superelevation?
Which method involves rotating the pavement about the inner edge in order to attain superelevation?
What does 'shifting crown towards outer edge' aim to achieve in terms of superelevation?
What does 'shifting crown towards outer edge' aim to achieve in terms of superelevation?
