General Knowledge Test 1 Flashcards
A proper oil pressure range with the engine idling is ________.
5–20 PSI.
How can you prevent the effects that wet brakes can cause?
All of the above.
Safe operation of a commercial vehicle requires skill in which of the following four areas?
Accelerating, steering, stopping, and backing safely.
What do you call the distance your vehicle travels under ideal conditions from the time your eyes see a hazard until your brain recognizes it?
Perception distance.
How often must you stop while on the road to check your cargo?
Stop within 25-50 miles after beginning a trip, after every break, and every 3 hrs, 150 miles.
Lowboys, car carriers, moving vans, and livestock trailers are examples of what?
These trailers can easily get stuck on railroad-highway crossings.
What are the four basic types of retarders?
The four basic types of retarders are exhaust, engine, hydraulic, and electric.
How long does it take for a typical tractor-trailer unit to clear a single railroad track from a stop?
14 seconds.
What is the minimum legal tread depth for front tires?
4/32.
Where should your emergency warning devices be placed when stopped on an undivided highway?
Place them within 10 feet of the front or rear corners to mark the location of the vehicle and 100 feet behind and ahead of the vehicle.
Which of the following best describes the “Heavy Vehicle Formula”?
One-second for every 10 feet of vehicle length at speeds below 40 mph, adding 1 second for speeds over 40 mph.
What are the two ways to know when to shift gears?
Use engine speed and road speed to determine when to shift gears.
The B:C type fire extinguisher is designed to work on burning wood, paper, and cloth.
False.
Name the two basic reasons for covering cargo on an open-bed trailer?
To protect people from spilled cargo, and to protect the cargo from weather.
Where should your emergency warning devices be placed when stopped on a divided highway?
Place them at 10 feet, 100 feet, and 200 feet toward the approaching traffic.
