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How is Gross Combination Weight Rating different from Gross Combination
Weight? - ANSWERS-The GCWR is the maximum GCW specified by the
manufacturer for a specific combination of vehicles plus its load, whereas the
GCW is the total weight of a powered unit, plus trailer(s), plus the cargo.
Name two situations where legal maximum weights may not be safe. - ANSWERS-
During bad weather or in mountains
What can happen if you don't have enough weight on the front axle? - ANSWERS-
Under-loaded front axles can make the steering axle weight too light to steer
safely & can cause poor traction.
What is the minimum number of tiedowns for any flat bed load? - ANSWERS-two
What is the minimum number of tiedowns for a 20-foot load? - ANSWERS-two
Name two basic reasons for covering cargo on an open bed. - ANSWERS-To
protect people from spilled cargo, to protect the cargo from weather
, What must you check before transporting a sealed load? - ANSWERS-Check that
you don't exceed gross weight and axle weight limits.
Why must air tanks be drained? - ANSWERS-To drain moisture and oil out of the
tank.
What is a supply pressure gauge used for? - ANSWERS-To tell you how much
pressure is in the air tanks
All vehicles with air brakes must have a low air pressure warning signal. True or
False? - ANSWERS-True
What are spring brakes? - ANSWERS-a heavy spring that will engage the brakes if
all air is out of the brake system
Front wheel brakes are good under all conditions. True or False? - ANSWERS-5.
TRUE: Front-wheel braking is good under all conditions. Tests show that front-
wheel skids from braking are not likely even on ice.
How do you know if your vehicle is equipped with antilock brakes? - ANSWERS-If
the vehicle was manufactured on or after March 1, 1998.
What is a dual air brake system? - ANSWERS-A two brake system, one operates
the front brakes and one operates the back brakes.