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Q. |
The pressure of air for braking in case of heavy duty trucks in usually of the order of |
A. | Depends upon the road conditions |
B. | 1 to 2 atm |
C. | 14 to 17 atm |
D. | 4 to 7 atm |
E. | 2 to 3 atm |
Answer» D. 4 to 7 atm |
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