| 4370 What is counter steering?... Answer4342 Why should drivers put the starter switch key in your pocket during th... Answer2949 The most common type of foundation brakes found on heavy vehicles is t... Answer2522 Which of the following is the correct term for a long commercial vehic... Answer2505 The safety catch for the fifth wheel locking lever must be ____ for a ... Answer2408 Driving a 100 foot twin trailer combination at 50 mph on a dry road in... Answer2398 The braking power of the spring brakes:... Answer2366 When is it required for the driver to have an approved gas mask?... Answer2355 To avoid a crash, you had to drive onto the right shoulder. You are no... Answer2340 Normal oil pressure while idling is:... Answer2255 If you are being tailgated, you should:... Answer2209 You should decrease your following distance if somebody is following y... Answer2098 The crack and whip effect is a major hazard for trucks with trailers. ... Answer2071 Which one of these shipping paper discriptions for a hazardous materia... Answer2053 When checking the free play of manual slack adjusters on s-cam brakes,... Answer2047 Fanning air brakes:... Answer2037 How many red reflective triangles should you carry?... Answer1989 When a substance in the materials table is written in italics, it mean... Answer1987 Liquid tight separations between compartments inside tanks are called:... Answer1958 If your truck or bus has dual parking control valves, it means that yo... Answer1952 Which of these is a good rule to follow when using a fire extinguisher... Answer1907 These horizontal yellow lines indicate:... Answer1863 A moving vehicle ahead of you has a red triangle with and orange cente... Answer1848 You find an overheated tire during an enroute inspection. If you are h... Answer1776 Normal engine temperature ranges from:... Answer1747 If a materials class is the word FORBIDDEN, what kinds of materials ar... Answer1693 If you try to downshift while coming down a mountain, you might:... Answer1671 If you have a major leak in the service line and you put on the brakes... Answer1670 Why should you back toward the driver's side?... Answer1649 Which is true regarding bridge laws?... Answer1647 How can you test the low pressure warning signal?... Answer1600 When your cargo tank has baffles, what handling effect do you expect?... Answer1586 To ensure air is supplied to the second trailer on a combination vehic... Answer1579 Which of the following statements about large trucks is false?... Answer1578 How much longer can you drive for unexpected adverse driving condition... Answer1556 Describe the proper braking technique when going down a long steep dow... Answer1534 During the 14 consecutive hour duty period, you are allowed to drive y... Answer1530 The hazardous waste manifest should be:... Answer1493 What does progressive shifting mean?... Answer1479 In normal driving, some drivers use the hand valve before applying the... Answer1477 When a coolant container is part of a pressurized system, you can:... Answer1472 What type of fire extinguisher is required in the power unit of a plac... Answer1469 You are driving a 40-foot vehicle at 35 mph. Driving conditions are on... Answer1450 You do not have a hazardous materials endorsement on your commercial d... Answer1448 When should you downshift automatic transmissions?... Answer1448 If the air compressor leakes, which mechanism keeps the air in the tan... Answer1428 Three things add up to the total stopping distance for your vehicle. T... Answer1413 When making emergency stops with air brakes and using the stab braking... Answer1394 Which of these statements about stopping distance and speed is true fo... Answer1391 When you are not sure who has the right-of-way, the safest course of a... Answer1380 Separations (between compartments inside tanks that have openings or h... Answer1345 The parking brake should be tested while the vehicle is:... Answer1338 For combination vehicles, when the front trailer supports are up and t... Answer1330 The air leakage rate for a combination vehicle (with engine off and br... Answer1310 Liquid in a tank with baffles can have what kind of surge?... Answer1309 You should be extremely cautious when driving smooth bore tankers, esp... Answer1286 A steady yellow light at an intersection means you must:... Answer1284 When fueling a placarded vehicle, someone must always be:... Answer1280 The air compressor governor controls:... Answer1264 This is the part of the kingpin that the locking jaws should close aro... Answer1263 Outage means:... Answer1240 If the driver crosses the air lines when hooking up to an old trailer:... Answer1233 You should know that your brakes are fading when:... Answer1223 Some large trucks have convex or spot mirrors, which:... Answer1215 Which of these statements about double clutching and shifting is true?... Answer1205 How far ahead should you look when driving a truck?... Answer1200 Overloading your trailer can result in the following EXCEPT:... Answer1197 With a Class C drivers license a person may drive:... Answer1190 When you are parked at the side of the road at night, you must:... Answer1187 Which of these is a good rule to follow when using a fire extinguisher... Answer1172 You need to be extremely cautious when driving smooth bore tankers. Th... Answer1170 If the trailer breaks away from a combination vehicle, pulling apart b... Answer1157 When driving down a long steep hill, you should:... Answer1155 What is a supply pressure gauge used for?... Answer1146 You should plan ahead when you park your vehicle so that:... Answer1137 The amount of liquid to load into a tank depends on:... Answer1132 Baffles in liquid cargo tanks do not usually prevent the movement of s... Answer1111 Which of these about emergency steering of tankers is true?... Answer1089 Which of the following statements is true about overhead clearance?... Answer1086 When driving on a clear night, you must dim your headlights from high ... Answer1083 Converter dollies:... Answer1076 If heavy fog appears, you should:... Answer1057 Which of these statements is correct about seeing ahead?... Answer1026 When coupling a tractor to a semi trailer and have backed up but are n... Answer1014 What should wheel bearing seals be checked for?... Answer1014 You are checking your tires for a pre-trip inspection. Which of these ... Answer1011 You are driving a new truck with a manual transmission. What gear will... Answer1009 Empty tanker trucks:... Answer991 Front wheel brakes work well in all conditions.... Answer986 Retarders prevent you from skidding on slippery surfaces.... Answer976 In the event of an accident you should remember to do the following EX... Answer972 Before backing under a trailer, make sure:... Answer959 You are driving a 40 foot vehicle at 45mph. Driving conditions are ide... Answer951 How many hours can a truck driver drive in Alaska?... Answer951 After 33 consecutive hours off-duty, you may legally restart your 60 o... Answer944 What are two special conditions where you should downshift?... Answer944 The term Gross Combination Weight refers to:... Answer936 You should check the height of the trailer before connecting a convert... Answer931 Air loss in a straight truck or bu should not be more than ______ with... Answer926 A vehicle is loaded with very little weight on the drive axle. What ma... Answer |
