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Q: What is the value of the lateral coefficient of the friction as per the IRC?
  • A. 0.20
  • B. 0.15
  • C. 0.40
  • D. 0.30
Correct Answer: Option B - The frictional force that develops between the wheel and the pavement is the load acting multiplied by a factor called coefficient of friction. According to IRC recommended– I.R.C. suggests the coefficient of lateral friction as 0.15 and for coefficient of longitudinal friction as 0.35-0.4 depending of the speed.
B. The frictional force that develops between the wheel and the pavement is the load acting multiplied by a factor called coefficient of friction. According to IRC recommended– I.R.C. suggests the coefficient of lateral friction as 0.15 and for coefficient of longitudinal friction as 0.35-0.4 depending of the speed.

Explanations:

The frictional force that develops between the wheel and the pavement is the load acting multiplied by a factor called coefficient of friction. According to IRC recommended– I.R.C. suggests the coefficient of lateral friction as 0.15 and for coefficient of longitudinal friction as 0.35-0.4 depending of the speed.