Download Vehicle Inspection: A Comprehensive Guide with Questions and Answers and more Exams Advanced Education in PDF only on Docsity!
Class F - GA Exam With Complete Solutions
Latest Update
What is the major reason for performing a vehicle inspection? ANSWER Safety. Safety to yourself and other road user.
What should you check while on a drive? ANSWER Watch your gauges, mirrors, and use your senses to check for problems.LOOK, LISTEN, AND SMELL.
Name some key steering system parts. - 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 - ANSWER spring hangers that allow movement of axle from proper position, cracked or broken spring hangers, missing or broken leaves in any leaf spring, leaking shock absorbers, air suspension systems that are damaged and or leaking, any parts of the suspension or frame that is cracked or broken
What three types of emergency equipment do you need to carry? - ANSWER fire extinguisher, 3 reflective triangles, spare fuses
What is the minimum tread depth for steering tires? For all other tires? - ANSWER You need at least 4/32-inch tread depth in every major groove on front tires. You need 2/ inch on other tires. No fabric should show through the tread or sidewall.
Name things you should check on the front of your vehicle during the walk around inspection? - ANSWER Condition of front axle, Condition of steering system, Condition of windshield, Lights and reflectors.
What should wheel bearing seals be checked for? - ANSWER leaks
How many red reflective triangles should you carry? - ANSWER three
How do you test hydraulic brakes for leaks? - 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 your pocket during the pre-trip inspection? - ANSWER to prevent anyone from moving the truck
Why back towards the driver's side? - ANSWER So you can see better. You can watch the rear of your vehicle by looking out the side window.
If stopped on a hill, how can you start moving without rolling back? - ANSWER Partly engage the clutch before you take your right foot off the brake.
Why should you use a helper while backing? - ANSWER There are blind spots you can't see!
What's the most important hand signal that you can the helper should agree on? - ANSWER Stop
What are the two special conditions where you should downshift? - ANSWER before starting down a hill, before entering a curve
When should you downshift automatic transmissions? - ANSWER when going down grades
Retarders keep you from skidding when the road is slippery. True or False? -ANSWER FALSE. When your drive wheels have poor traction, the retarder may actually CAUSE them to skid and should be turned off whenever the road is wet, icy or snow covered
Black ice" is: A thin layer that is clear enough that you can see the road underneath it. It makes the road look wet.
How do you find out how many seconds of following distance space you have? You need at least one second for each 10 ft of vehicle lenght at speeds below 40mph. You need to add one second for greater speeds.
If you are driving a 30-foot vehicle at 55 mph, how many seconds of following distance should you leave? ANSWER 4 seconds
You should decrease your following distance if someone is following you too closely. True or False? ANSWER False. You should increase your following distance.
If you swing wide to the left before you turn right, another driver may try to pass you on the right. True or False? - ANSWER True.
A following driver may think you are turning left and try to pass you on the right. You may crash into other vehicle as you complete your turn.
What is a hazard? - ANSWER any road condition or other road user that is a possible danger
Why make emergency plans when you see a hazard? - ANSWER to be prepared if you have to take action in an emergency
What are some tips to follow so you won't become a distracted driver? - ANSWER Pre-program radio station, pre-load your favorite CDs, review maps and plan route before leaving.
How would you use in-vehicle communications equipment with caution? - ANSWER Pull off and find a place to pull over. Keep conversations short.
How do you recognize a distracted driver? - ANSWER Watch for vehicles that may drift over the lane divider lines or within their own lane, vehicles traveling at erratic speeds, drivers preoccupied with maps, food, cigarettes, cell phones, or other objects, drivers who appear to be involved in conversations with their passengers.
What is the difference between aggressive driving and road rage? ANSWER aggressive driving is selfish bold and pushy, road rage is intent to do harm to someone else
What should you do when confronted with an aggressive driver? ANSWER make every attempt to get out of their way, avoid eye contact, call the police if you can
What can you do to help decrease your stress before and while you drive? - ANSWER Listen to easy listening music, give your drive your full attention, be realistic about your travel time, deal with being late if you will be, give other drivers the benefit of the doubt, slow down and keep your following distance reasonable, avoid gestures, be a cautious and courteous driver.
You always use low beams. True or False? - ANSWER false, use high beams whenever you can
If you are drowsy before you drive, what do you do? - ANSWER get some sleep
What can happen because of wet brakes? How do you prevent these problems? - ANSWER wet brakes can be weak or grab, don't drive through deep puddles or running water if you can avoid it
You should let air out of hot tires so the pressure goes back to normal. True or False? - ANSWER False. Air pressure will be too low when tires cool off.
You can safely remove the radiator cap as long as the engine isn't overheated. True or False - ANSWER False: Never remove the radiator cap or any part of the pressurized system until the system has cooled.
How would you know if your vehicle is equipped with antilock brakes? ANSWER They will have yellow malfunction lamps on the instrument panels and yellow malfunction lamps on the trailers. Dollies manufactured after 1998 must have a lamp on the left side.
What are some things to do at an accident scene to prevent another accident? ANSWER protect the area, notify authorities, care for the injured
Name two causes of tire fires. - ANSWER Under inflated and duals that touch
What type of fires is a B:C extinguisher not good for? - ANSWER Fires in combustible metals, wood, paper, ordinary combustibles.
When operating your extinguisher, should you get as close as possible to the fire? ANSWER No. When operating the extinguisher, keep as far away from the fire as possible. Aim at the source or base of the fire, not up in the flames.
Name some causes of vehicle fires. ANSWER tires, spilled fuel, short circuits due to damaged insulation, flammable cargo
Cold medicines can put you to sleep. True or False - ANSWER True
If you begin to feel drowsy while driving, you should - ANSWER stop in a safe place and sleep
Coffee and a little fresh air will sober up a drinker. True or False - ANSWER False. Only time will sober you up.
What is a hazardous materials placard? - ANSWER placards are signs placed on the outside of a vehicle that identify the hazard class of the cargo
Why are placards used? - ANSWER to warn others of hazardous materials
What is "sleep debt"? - ANSWER If you don't sleep enough, you "owe" more sleep to yourself.
What are the danger signals of drowsy driving? - ANS your eyes close or go out of focus by themselves, you have trouble keeping your head up, you can't stop yawning, you have wondering disconnected thoughts, you don't remember driving the last few miles
What four things related to cargo are drivers responsible for? - ANS 1: Inspecting your cargo.
2: Recognizing overloads & poorly balanced weight.
3: Knowing Cargo is properly secured & does not obscure your view ahead or to the sides.
4: Knowing your cargo does not restrict your access to emergency equipment.
How often must you stop while on the road to check your cargo? - ANSWER Within the first 50 miles; after you have driven for 3 hours or 150 miles; after every break you take during driving
How does Gross Combination Weight Rating differ from Gross Combination Weight? - ANSWER The GCWR is maximum GCW set 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 circumstances where legal maximum weights may not be safe. - ANSWER During bad weather or in mountains
What can happen if you don't have enough weight on the front axle? - ANSWER 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? - ANSWER two
brake drum used for adjusting the brakes.
How can you test the low pressure warning signal? -ANSWER Stop the engine when having sufficient pressure that the low pressure warning signal is not on. Turn the electrical power on and step the brake pedal on and off to lower the air pressure in the tank. The warning signal must come one before the pressure falls to less than 60psi
How will you know when the spring brakes will apply automatically? - ANSWER Continue bleeding off the air pressure by depressing and releasing the brake pedal to lower the tank pressure. The tractor protection valve and the parking brake valve should close (pop out) at the manufacturer specified air pressure (20-40 psi) on a tractor-trailer combination and single vehicle types applying the spring brakes.
What are the maximum leakage rates? - ANSWER Less than 2 psi in one minute for single vehicles and less than 3 psi in one minute for combination vehicles.
Why do you need to be in the correct gear before you start down a grade? - ANSWER You cannot shift into a lower gear after you have started down the grade. Forcing an automatic transmission into a lower gear at high speed could damage the transmission
What can cause brakes to fade or fail? - ANSWER too much heat from over use and not using engine braking
Braking for a long steep grade must be supplemented by the braking effect of the engine. True or False? - ANSWER True
If you are away from your vehicle only a short time, you do not have to use the parking brake. True or False? - ANSWER False
How often should you drain air tanks? - ANSWER After each working day.
How do you brake when you drive a tractor-trailer combination with ABS? - ANSWER normal braking procedures
You still have normal brake functions if your ABS is not working. True or False? - ANSWER True, without ABS you still have normal brake functions
