| 4299 Why should drivers put the starter switch key in your pocket during th... Answer4287 What is counter steering?... Answer2916 The most common type of foundation brakes found on heavy vehicles is t... Answer2490 Which of the following is the correct term for a long commercial vehic... Answer2465 The safety catch for the fifth wheel locking lever must be ____ for a ... Answer2388 The braking power of the spring brakes:... Answer2388 Driving a 100 foot twin trailer combination at 50 mph on a dry road in... Answer2342 When is it required for the driver to have an approved gas mask?... Answer2328 To avoid a crash, you had to drive onto the right shoulder. You are no... Answer2319 Normal oil pressure while idling is:... Answer2244 If you are being tailgated, you should:... Answer2187 You should decrease your following distance if somebody is following y... Answer2080 The crack and whip effect is a major hazard for trucks with trailers. ... Answer2047 Which one of these shipping paper discriptions for a hazardous materia... Answer2041 When checking the free play of manual slack adjusters on s-cam brakes,... Answer2029 Fanning air brakes:... Answer1982 How many red reflective triangles should you carry?... Answer1975 When a substance in the materials table is written in italics, it mean... Answer1969 Liquid tight separations between compartments inside tanks are called:... Answer1936 If your truck or bus has dual parking control valves, it means that yo... Answer1929 Which of these is a good rule to follow when using a fire extinguisher... Answer1891 These horizontal yellow lines indicate:... Answer1838 A moving vehicle ahead of you has a red triangle with and orange cente... Answer1828 You find an overheated tire during an enroute inspection. If you are h... Answer1759 Normal engine temperature ranges from:... Answer1724 If a materials class is the word FORBIDDEN, what kinds of materials ar... Answer1675 If you try to downshift while coming down a mountain, you might:... Answer1661 Why should you back toward the driver's side?... Answer1653 If you have a major leak in the service line and you put on the brakes... Answer1629 How can you test the low pressure warning signal?... Answer1620 Which is true regarding bridge laws?... Answer1584 When your cargo tank has baffles, what handling effect do you expect?... Answer1573 To ensure air is supplied to the second trailer on a combination vehic... Answer1563 Which of the following statements about large trucks is false?... Answer1561 How much longer can you drive for unexpected adverse driving condition... Answer1538 Describe the proper braking technique when going down a long steep dow... Answer1520 During the 14 consecutive hour duty period, you are allowed to drive y... Answer1517 The hazardous waste manifest should be:... Answer1479 What does progressive shifting mean?... Answer1465 When a coolant container is part of a pressurized system, you can:... Answer1463 In normal driving, some drivers use the hand valve before applying the... Answer1461 What type of fire extinguisher is required in the power unit of a plac... Answer1457 You are driving a 40-foot vehicle at 35 mph. Driving conditions are on... Answer1436 If the air compressor leakes, which mechanism keeps the air in the tan... Answer1434 When should you downshift automatic transmissions?... Answer1431 You do not have a hazardous materials endorsement on your commercial d... Answer1418 Three things add up to the total stopping distance for your vehicle. T... Answer1399 When making emergency stops with air brakes and using the stab braking... Answer1379 Which of these statements about stopping distance and speed is true fo... Answer1378 When you are not sure who has the right-of-way, the safest course of a... Answer1365 Separations (between compartments inside tanks that have openings or h... Answer1322 For combination vehicles, when the front trailer supports are up and t... Answer1321 The air leakage rate for a combination vehicle (with engine off and br... Answer1313 The parking brake should be tested while the vehicle is:... Answer1295 You should be extremely cautious when driving smooth bore tankers, esp... Answer1293 Liquid in a tank with baffles can have what kind of surge?... Answer1276 A steady yellow light at an intersection means you must:... Answer1274 When fueling a placarded vehicle, someone must always be:... Answer1266 The air compressor governor controls:... Answer1249 Outage means:... Answer1249 This is the part of the kingpin that the locking jaws should close aro... Answer1228 If the driver crosses the air lines when hooking up to an old trailer:... Answer1223 You should know that your brakes are fading when:... Answer1211 Some large trucks have convex or spot mirrors, which:... Answer1198 How far ahead should you look when driving a truck?... Answer1193 Overloading your trailer can result in the following EXCEPT:... Answer1190 Which of these statements about double clutching and shifting is true?... Answer1186 With a Class C drivers license a person may drive:... Answer1179 When you are parked at the side of the road at night, you must:... Answer1170 Which of these is a good rule to follow when using a fire extinguisher... Answer1162 If the trailer breaks away from a combination vehicle, pulling apart b... Answer1154 You need to be extremely cautious when driving smooth bore tankers. Th... Answer1145 When driving down a long steep hill, you should:... Answer1141 What is a supply pressure gauge used for?... Answer1134 You should plan ahead when you park your vehicle so that:... Answer1125 The amount of liquid to load into a tank depends on:... Answer1119 Baffles in liquid cargo tanks do not usually prevent the movement of s... Answer1099 Which of these about emergency steering of tankers is true?... Answer1073 When driving on a clear night, you must dim your headlights from high ... Answer1071 Converter dollies:... Answer1069 If heavy fog appears, you should:... Answer1068 Which of the following statements is true about overhead clearance?... Answer1042 Which of these statements is correct about seeing ahead?... Answer1015 When coupling a tractor to a semi trailer and have backed up but are n... Answer1008 What should wheel bearing seals be checked for?... Answer1000 Empty tanker trucks:... Answer999 You are driving a new truck with a manual transmission. What gear will... Answer977 Front wheel brakes work well in all conditions.... Answer974 Retarders prevent you from skidding on slippery surfaces.... Answer973 You are checking your tires for a pre-trip inspection. Which of these ... Answer965 Before backing under a trailer, make sure:... Answer956 In the event of an accident you should remember to do the following EX... Answer945 You are driving a 40 foot vehicle at 45mph. Driving conditions are ide... Answer944 How many hours can a truck driver drive in Alaska?... Answer939 What are two special conditions where you should downshift?... Answer936 After 33 consecutive hours off-duty, you may legally restart your 60 o... Answer929 The term Gross Combination Weight refers to:... Answer927 You should check the height of the trailer before connecting a convert... Answer921 Air loss in a straight truck or bu should not be more than ______ with... Answer911 What are the three maximum duty Limits at all times?... Answer |
