IOWA CDL Exam Complete Questions And Correct Verified Answers Graded A+.

What do you need a CDL to operate? - correct answer Any single vehicle with a gross vehicle weight rating of 26,001 pounds or more A combination vehicle with a gross combination weight rating of 26,001 or more pounds, provided the GVWE of the vehicle being towed is in excess of 10,00 pounds A vehicle designed to transport 16 or more passengers (including the driver) How can you lose your CDL fro at least one year? - correct answer Driving a CMV if your blood alcohol concentration is .04% or higher Driving a CMV under the influence of alcohol Refusing to undergo blood alcohol testing Driving a CMV while under the influence of a controlled substance Leaving the scene of an accident involving a CMV Committing a felony involving the sue of a CMV Driving a CMV when the CDL is suspended Causing a fatality through negligent operation of a CMV How can you lose your CDL for 3 years? - correct answer if that offense occurs while you are operating a CMV that is placarded for hazardous materials How can you lose your CDL for life? - correct answer a second offense if you use a CMV to commit a felony involving controlled substances When you will be put out-of-service for 24 hours? - correct answer If you have any detectable amount of alcohol under .04% How can you lose your CDL for 60 days? - correct answer If you have committed two serious traffic violations within a three-year period involving a CMV How can you lose your CDL for 120 days? - correct answer For three or more serious traffic violations within a three-year period involving a CMV How can you lose your CDL for 90 days? - correct answer if you have committed your first violation of an out-of-service order for at least one year if you have committed two violations of an out-of-service order in a ten-year period for at least three years if you have committed three or more violations of an out-of-service order in a ten-year period You must notify your employer within 30 days... - correct answer of conviction for any traffic violations (except parking) You must notify your employer within two business days... - correct answer if your license is suspended, revoked, or canceled, or if you are disqualified from driving What is the most important reason for doing a vehicle inspection? - correct answer SAFETY What things should you check during a trip? - correct answer Watch gauges for signs of trouble. Use your senses to check for problems (look,listen,smell,and feel) Check critical items when you stop : tires, wheels, rims, brakes, lights, reflectors, electrical connections to trailers, trailer coupling devices, cargo securement devices. Name some key steering system parts - correct answer steering wheel, tie rod, steering shaft, hydraulic fluid reservoir, gear box, pitman arm, drag link, steering knuckle, spindle, steering arm, power steering cylinder Name some suspension system defects - correct answer missing nuts, bolts, cotter keys, or other parts bent loose or broken parts such as steering column, steering gearbox, or tie rods IF power steering equipped, hoses, pumps, and fluid level; check for leaks steering steering wheel play of more than 10 degrees can make it hard to steer What three kinds of emergency equipment must you have? - correct answer fire extinguisher spare electrical fuses warning devices for parked vehicles What is the minimum tread depth for front tires? For other tires? - correct answer 4/32-inch tread depth on front tires 2/32-inch on other tires Name some things you should check on the front of your vehicle during the walk around inspection? - correct answer low beams are on and both of the four-way flashers are working, high beams work, turn off headlights and four-way emergency flashers, parking, clearance, side-marker, and identification lights, right turn signal, and start walk-around inspection What should wheel bearing seals be checked for? - correct answer Leaks, Leaks, LEAKS!! How many red reflective triangles should you carry? - correct answer 3 How do you test hydraulic brakes for leaks? - correct answer Pump the brake pedal three times, then apply firm pressure to the pedal and hold for five seconds. The pedal should not move. Why put the starter switch key in you pocket during the vehicle inspection? - correct answer so no one moves the vehicle while you are inspecting underneath it Why should you back toward the driver's side? - correct answer So you can see better backing toward the right side is very dangerous because you cant see as well. If stopped on a hill, how can you start moving without rolling back? - correct answer if you have a manual transmission vehicle partly engage the clutch before you take your right foot off the brake, put on the parking brake, release the parking brake with enough engine power On a tractor-trailer equipped with a trailer brake hand valve the hand valve can be applied to keep from rolling back When backing, why is it important to use a helper? - correct answer There are blind spots you won't be able to see. What's the most important hand signal that you and the helper should agree on? - correct answer stop! What are the two special conditions where you should downshift? - correct answer Starting down a hilll Before entering a curve When should you downshift automatic transmissions? - correct answer You can select a low range to get greater engine braking when going down grades Retarders keep you from skidding when the road is slippery. True or false? - correct answer NO What are the two ways to know when to shift? - correct answer Engine speed (rpm) Road Speed (mph) How far ahead does the manual say you should look? - correct answer 12 to 15 seconds ahead, which means the distance you would travel in 12 to 15 seconds. At slower speeds, that's about a block. At highway speeds it's about a quarter of a mile. What are two main things to look for ahead? - correct answer look for vehicles coming onto the highway, into your lane or turning. watch for brake lights from slowing vehicles What's your most important way to see the sides and rear of your vehicle? - correct answer Mirrors What does "communicating" mean in safe driving? - correct answer Other drivers can't know what you are going to do until you tell them. You communicate your intentions by using turn signals for turns and lane changes