In normal driving, some drivers use the hand valve before applying the brake pedal to prevent a jackknife.Which of the following is true for such scenarios? Using the hand valve before applying the brake pedal will cause the truck to go straight.Using the hand valve before applying the brake pedal results in less skidding than only the brakes.Using the hand valve before applying the brake pedal is safe under any road condition.Using the hand valve before applying the brake pedal should not be done. |