What should be the gear ratio of a car while ascending a hill?

greater than 1

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equal to 1

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less than 1

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can’t say

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Solution

The correct option is C
less than 1

For a car while ascending a hill, gain in torque is achieved as more torque is required to go up a hill. Hence, $\frac{N_{B}}{N_{A}}$ = $\frac{N u m b e r o f t e e t h i n d r i v e n g e a r}{N u m b e r o f t e e t h i n d r i v i n g g e a r}$ , i.e. less than 1.

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Q. What should be the gear ratio of a car when gaining speed on the road ?

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What should be the gear ratio of a car while ascending a hill?

The correct option is C less than 1 For a car while ascending a hill, gain in torque is achieved as more torque is required to go up a hill. Hence, NBNA= Number of teeth in driven gearNumber of teeth in driving gear, i.e. less than 1.