IDAHO CDL PRACTICE TEST - GENERAL KNOWLEDGE

31. How far should you scan ahead when driving?
12-15 seconds
One block at lower speeds
All of the above.
32. Nitric acid should:
not be loaded above any other product.
stacked to the ceiling.
loaded above other products.
33. What should you do to test your hydraulic brakes for leaks?
Pump the brake pedal three times, then apply pressure to the pedal and hold for five seconds.
Hold the brake pedal down for five seconds, then pump it three times.
Pump the brake pedal five times, then apply pressure for three seconds.
34. What should you do if you doubt you have safe space to pass under a low bridge?
Increase the weight of your vehicle to clearing under the bridge.
Go slowly, and take another route if you are not sure you can make it.
If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
35. If there is a sign indicating "Maximum Safe Speed", you should:
know that it doesn't apply to vehicles weighing more than 26,000 pounds.
travel at the posted speed.
never exceed the speed shown.
36. Your vehicle must be equipped with:
Warning devices for parked vehicles
Fire extinguisher(s)
All of the above.
37. Which of the following is true about curved mirrors?
In a curved mirror everything appears smaller than it would if you were looking at it directly.
They are illegal in most States.
In a curved mirror things seem closer than they really are.
38. If you will be transporting hazardous materials that require placards, you must:
obtain a hazardous materials endorsement.
transport the materials at night only.
obtain a special transit permit.
39. After an accident, an improper use of flares could cause:
the springs to put on the brakes.
air pressure to build from 50 to 100 psi within 2 minutes.
a fire if spilled fuel is on the ground.
40. How does ABS help you?
ABS makes stab braking more effective.
ABS replaces your normal brakes and helps you  to stop faster.
ABS helps you avoid wheel lock up and maintain control when you brake hard on slippery surfaces.
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