CDL PRACTICE TEST (MO) - GENERAL KNOWLEDGE TEST

31. You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
increase your speed to approximately 45 mph, and then apply release the brakes.
32. If your truck has automatic transmission, you should downshift:
after entering a curve.
when going down grades.
whenever road conditions allow.
33. Road surfaces where water collects can create conditions that cause a vehicle to hydroplane. Which of the following is an indication of standing water?
Tire splashes
Clear reflections
All of the above.
34. _________ helps coordinate emergency response to chemical hazards.
The National Response Center
The Federal Transportation Organization
The National Chemical Network
35. When should you be particularly careful about high winds?
When driving at night
When going downhill
When emerging from a tunnel
36. Most heavy duty vehicles use ___ air brake systems for safety.
dual
single
triple
37. When you're in an accident and not seriously hurt, to help any injured parties you should:
Get the injured person to stand up.
Give the injured person a cold drink.
Keep the injured person warm.
38. When inspecting the cargo, make sure it is:
piled up.
secured properly for the first 50 miles after beginning a trip.
not overloaded.
39. Axle weight is:
the weight transmitted to the ground by one axle or one set of axles.
the maximum safe weight your tires can carry at a specified pressure.
the weight of all the axles added together.
40. When driving in heavy rain:
avoid driving through deep puddles or flowing water if possible.
take curves at higher speeds and brake while in curves.
drive alongside other vehicles if possible.
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