Technician A says that some vehicles with the Stabilitrak system continuously monitor wheel speed conditions and modulate hydraulic force to individual wheels to maintain stability. Technician B says that vehicles using traction control systems can reduce engine torque in slippery driving conditions. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
C
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What will be an ideal response?
The traction control system reduces wheel slip during vehicle ________
A) Acceleration B) Cornering C) Braking D) Resting
Air with density of 0.45 kg/m^3 enters an experimental jet engine at rate of 180 m/s. The inlet area of the engine is 5.0 ft2. After fuel is burned, the air and combustion byproducts leave the engine with a velocity of 650 m/s through and outlet area of 4.0 ft2. What is the average density of the gas exiting the engine? Express your answer in kg/m^3, slugs/ft^3, and lbm/ft^3.
Lubrication levels on off-road equipment are generally checked every ___________ hours of operation.
A. 250 B. 500 C. 1000 D. 2500