| 3979 Why should drivers put the starter switch key in your pocket during th... Answer3899 What is counter steering?... Answer2820 The most common type of foundation brakes found on heavy vehicles is t... Answer2398 Which of the following is the correct term for a long commercial vehic... Answer2327 The braking power of the spring brakes:... Answer2327 The safety catch for the fifth wheel locking lever must be ____ for a ... Answer2303 Driving a 100 foot twin trailer combination at 50 mph on a dry road in... Answer2235 When is it required for the driver to have an approved gas mask?... Answer2219 Normal oil pressure while idling is:... Answer2214 To avoid a crash, you had to drive onto the right shoulder. You are no... Answer2140 If you are being tailgated, you should:... Answer2054 You should decrease your following distance if somebody is following y... Answer1987 The crack and whip effect is a major hazard for trucks with trailers. ... Answer1984 When checking the free play of manual slack adjusters on s-cam brakes,... Answer1976 Which one of these shipping paper discriptions for a hazardous materia... Answer1932 Fanning air brakes:... Answer1900 When a substance in the materials table is written in italics, it mean... Answer1893 Liquid tight separations between compartments inside tanks are called:... Answer1856 If your truck or bus has dual parking control valves, it means that yo... Answer1848 Which of these is a good rule to follow when using a fire extinguisher... Answer1808 These horizontal yellow lines indicate:... Answer1754 You find an overheated tire during an enroute inspection. If you are h... Answer1753 A moving vehicle ahead of you has a red triangle with and orange cente... Answer1722 How many red reflective triangles should you carry?... Answer1679 Normal engine temperature ranges from:... Answer1640 If a materials class is the word FORBIDDEN, what kinds of materials ar... Answer1589 Why should you back toward the driver's side?... Answer1588 If you try to downshift while coming down a mountain, you might:... Answer1579 If you have a major leak in the service line and you put on the brakes... Answer1558 How can you test the low pressure warning signal?... Answer1537 Which is true regarding bridge laws?... Answer1528 When your cargo tank has baffles, what handling effect do you expect?... Answer1505 To ensure air is supplied to the second trailer on a combination vehic... Answer1499 Which of the following statements about large trucks is false?... Answer1486 How much longer can you drive for unexpected adverse driving condition... Answer1474 Describe the proper braking technique when going down a long steep dow... Answer1467 During the 14 consecutive hour duty period, you are allowed to drive y... Answer1444 The hazardous waste manifest should be:... Answer1418 When a coolant container is part of a pressurized system, you can:... Answer1405 What does progressive shifting mean?... Answer1397 In normal driving, some drivers use the hand valve before applying the... Answer1392 What type of fire extinguisher is required in the power unit of a plac... Answer1381 If the air compressor leakes, which mechanism keeps the air in the tan... Answer1367 When should you downshift automatic transmissions?... Answer1359 You are driving a 40-foot vehicle at 35 mph. Driving conditions are on... Answer1358 Three things add up to the total stopping distance for your vehicle. T... Answer1350 You do not have a hazardous materials endorsement on your commercial d... Answer1340 When making emergency stops with air brakes and using the stab braking... Answer1324 When you are not sure who has the right-of-way, the safest course of a... Answer1313 Which of these statements about stopping distance and speed is true fo... Answer1299 Separations (between compartments inside tanks that have openings or h... Answer1290 The air leakage rate for a combination vehicle (with engine off and br... Answer1255 For combination vehicles, when the front trailer supports are up and t... Answer1246 You should be extremely cautious when driving smooth bore tankers, esp... Answer1244 A steady yellow light at an intersection means you must:... Answer1228 The parking brake should be tested while the vehicle is:... Answer1223 Liquid in a tank with baffles can have what kind of surge?... Answer1217 When fueling a placarded vehicle, someone must always be:... Answer1214 The air compressor governor controls:... Answer1200 Outage means:... Answer1196 This is the part of the kingpin that the locking jaws should close aro... Answer1174 If the driver crosses the air lines when hooking up to an old trailer:... Answer1165 You should know that your brakes are fading when:... Answer1164 How far ahead should you look when driving a truck?... Answer1150 Some large trucks have convex or spot mirrors, which:... Answer1133 Overloading your trailer can result in the following EXCEPT:... Answer1126 If the trailer breaks away from a combination vehicle, pulling apart b... Answer1115 Which of these is a good rule to follow when using a fire extinguisher... Answer1110 When you are parked at the side of the road at night, you must:... Answer1105 With a Class C drivers license a person may drive:... Answer1103 You need to be extremely cautious when driving smooth bore tankers. Th... Answer1090 You should plan ahead when you park your vehicle so that:... Answer1088 The amount of liquid to load into a tank depends on:... Answer1082 When driving down a long steep hill, you should:... Answer1080 Which of these statements about double clutching and shifting is true?... Answer1064 What is a supply pressure gauge used for?... Answer1060 Baffles in liquid cargo tanks do not usually prevent the movement of s... Answer1046 Which of these about emergency steering of tankers is true?... Answer1033 If heavy fog appears, you should:... Answer1021 Converter dollies:... Answer1020 When driving on a clear night, you must dim your headlights from high ... Answer991 Which of these statements is correct about seeing ahead?... Answer979 Which of the following statements is true about overhead clearance?... Answer972 When coupling a tractor to a semi trailer and have backed up but are n... Answer962 Empty tanker trucks:... Answer951 What should wheel bearing seals be checked for?... Answer939 You are driving a new truck with a manual transmission. What gear will... Answer927 Before backing under a trailer, make sure:... Answer921 Retarders prevent you from skidding on slippery surfaces.... Answer920 How many hours can a truck driver drive in Alaska?... Answer902 You are checking your tires for a pre-trip inspection. Which of these ... Answer901 Front wheel brakes work well in all conditions.... Answer896 What are two special conditions where you should downshift?... Answer895 You are driving a 40 foot vehicle at 45mph. Driving conditions are ide... Answer890 The term Gross Combination Weight refers to:... Answer884 You should check the height of the trailer before connecting a convert... Answer882 In the event of an accident you should remember to do the following EX... Answer881 After 33 consecutive hours off-duty, you may legally restart your 60 o... Answer874 You have loaded a hazardous material into a cargo tank. You must do wh... Answer874 Air loss in a straight truck or bu should not be more than ______ with... Answer |
