+1 vote
in Farm Machinery by (38.9k points)
If the inner and outer steering angle in a tractor are 9° and 9.8° respectively then for correct steering conditioning the value of the ratio of pivot axis spacing to track length is equal to ______

(a) 0.256

(b) 0.525

(c) 0.990

(d) 0.756

I got this question by my school principal while I was bunking the class.

The query is from Numerical Problems on Calculation of Different Tractor Parameters in chapter Lubrication System and Tractor’s Classification of Farm Machinery

1 Answer

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Best answer
The correct answer is (b) 0.525

The explanation: θ = 9.8°

Φ = 9.0°

We know that,

Cot θ – Cot Φ = \(\frac{c}{b} \)

-Cot (9.8) + Cot 9 = \(\frac{c}{b} \)

-5.789 + 6.314 = \(\frac{c}{b} \)

\(\frac{c}{b}\) = 0.525.

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