| Q.15 | A pressure gauge measures a tire pressure of 30.0 psi. The local atmospheric pressure is 15.0 psi. What is the absolute pressure of the air in the tire? | |
| Ans | 1. 2.0 psi | |
| 2. 15 psi | ||
| 3. 45 psi | ||
| 4. 450 psi |
Correct Ans: 3
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