A tyre of a vehicle is filled with air having pressure 270 kPa at 27. The air pressure in the tyre when the temperature increases to 37 is (a) 282 kPa (b) 270 kPa (c) 265 kPa (d) 279 kPa

Answer: (d). Volume of tyre fixed, so P ∝ T; T₁ = 300 K, T₂ = 310 K. P₂ = 270 × (310)/(300) = 279 kPa So the answer is (d) 279 kPa.

A tyre of a vehicle is filled with air having pressure 270 kPa at 27… | MHT CET 2025 (20 Apr, Shift 1)

Q20MHT CET 2025 · 20 APR · SHIFT 1Easy

Gas Laws & Ideal Gas Equation

A tyre of a vehicle is filled with air having pressure 270 kPa at $27^\circ\text{C}$ . The air pressure in the tyre when the temperature increases to $37^\circ\text{C}$ is

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Answer: (d)

Volume of tyre fixed, so $P \propto T$ ; $T_1 = 300$ K, $T_2 = 310$ K.
$P_2 = 270 \times \dfrac{310}{300} = 279$ kPa
So the answer is (d) 279 kPa.

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