| 4562 What is counter steering?... Answer4478 Why should drivers put the starter switch key in your pocket during th... Answer3064 The most common type of foundation brakes found on heavy vehicles is t... Answer2656 The safety catch for the fifth wheel locking lever must be ____ for a ... Answer2585 Which of the following is the correct term for a long commercial vehic... Answer2455 Driving a 100 foot twin trailer combination at 50 mph on a dry road in... Answer2435 When is it required for the driver to have an approved gas mask?... Answer2431 The braking power of the spring brakes:... Answer2430 To avoid a crash, you had to drive onto the right shoulder. You are no... Answer2406 Normal oil pressure while idling is:... Answer2308 If you are being tailgated, you should:... Answer2289 You should decrease your following distance if somebody is following y... Answer2168 How many red reflective triangles should you carry?... Answer2157 The crack and whip effect is a major hazard for trucks with trailers. ... Answer2117 Which one of these shipping paper discriptions for a hazardous materia... Answer2104 When checking the free play of manual slack adjusters on s-cam brakes,... Answer2100 Fanning air brakes:... Answer2048 Liquid tight separations between compartments inside tanks are called:... Answer2037 When a substance in the materials table is written in italics, it mean... Answer2015 If your truck or bus has dual parking control valves, it means that yo... Answer2010 Which of these is a good rule to follow when using a fire extinguisher... Answer1974 These horizontal yellow lines indicate:... Answer1938 A moving vehicle ahead of you has a red triangle with and orange cente... Answer1915 You find an overheated tire during an enroute inspection. If you are h... Answer1847 Normal engine temperature ranges from:... Answer1809 If a materials class is the word FORBIDDEN, what kinds of materials ar... Answer1742 If you try to downshift while coming down a mountain, you might:... Answer1720 If you have a major leak in the service line and you put on the brakes... Answer1712 Why should you back toward the driver's side?... Answer1702 Which is true regarding bridge laws?... Answer1690 How can you test the low pressure warning signal?... Answer1635 When your cargo tank has baffles, what handling effect do you expect?... Answer1633 How much longer can you drive for unexpected adverse driving condition... Answer1631 To ensure air is supplied to the second trailer on a combination vehic... Answer1615 Which of the following statements about large trucks is false?... Answer1603 Describe the proper braking technique when going down a long steep dow... Answer1584 The hazardous waste manifest should be:... Answer1582 During the 14 consecutive hour duty period, you are allowed to drive y... Answer1543 You are driving a 40-foot vehicle at 35 mph. Driving conditions are on... Answer1532 What does progressive shifting mean?... Answer1527 When a coolant container is part of a pressurized system, you can:... Answer1518 What type of fire extinguisher is required in the power unit of a plac... Answer1512 In normal driving, some drivers use the hand valve before applying the... Answer1508 You do not have a hazardous materials endorsement on your commercial d... Answer1489 When should you downshift automatic transmissions?... Answer1477 If the air compressor leakes, which mechanism keeps the air in the tan... Answer1471 Three things add up to the total stopping distance for your vehicle. T... Answer1457 When making emergency stops with air brakes and using the stab braking... Answer1440 Which of these statements about stopping distance and speed is true fo... Answer1429 Separations (between compartments inside tanks that have openings or h... Answer1424 When you are not sure who has the right-of-way, the safest course of a... Answer1407 The parking brake should be tested while the vehicle is:... Answer1372 For combination vehicles, when the front trailer supports are up and t... Answer1352 Liquid in a tank with baffles can have what kind of surge?... Answer1347 The air leakage rate for a combination vehicle (with engine off and br... Answer1343 You should be extremely cautious when driving smooth bore tankers, esp... Answer1333 When fueling a placarded vehicle, someone must always be:... Answer1313 The air compressor governor controls:... Answer1302 This is the part of the kingpin that the locking jaws should close aro... Answer1302 A steady yellow light at an intersection means you must:... Answer1294 Outage means:... Answer1277 Which of these statements about double clutching and shifting is true?... Answer1270 You should know that your brakes are fading when:... Answer1265 If the driver crosses the air lines when hooking up to an old trailer:... Answer1259 Some large trucks have convex or spot mirrors, which:... Answer1249 How far ahead should you look when driving a truck?... Answer1244 Overloading your trailer can result in the following EXCEPT:... Answer1231 When you are parked at the side of the road at night, you must:... Answer1225 Which of these is a good rule to follow when using a fire extinguisher... Answer1223 With a Class C drivers license a person may drive:... Answer1211 You need to be extremely cautious when driving smooth bore tankers. Th... Answer1206 When driving down a long steep hill, you should:... Answer1197 If the trailer breaks away from a combination vehicle, pulling apart b... Answer1189 What is a supply pressure gauge used for?... Answer1175 Baffles in liquid cargo tanks do not usually prevent the movement of s... Answer1174 You should plan ahead when you park your vehicle so that:... Answer1168 The amount of liquid to load into a tank depends on:... Answer1156 Which of the following statements is true about overhead clearance?... Answer1136 Which of these about emergency steering of tankers is true?... Answer1119 Converter dollies:... Answer1117 When driving on a clear night, you must dim your headlights from high ... Answer1100 If heavy fog appears, you should:... Answer1094 You are checking your tires for a pre-trip inspection. Which of these ... Answer1088 Which of these statements is correct about seeing ahead?... Answer1065 When coupling a tractor to a semi trailer and have backed up but are n... Answer1064 You are driving a new truck with a manual transmission. What gear will... Answer1040 What should wheel bearing seals be checked for?... Answer1032 Front wheel brakes work well in all conditions.... Answer1030 Empty tanker trucks:... Answer1024 Retarders prevent you from skidding on slippery surfaces.... Answer1019 In the event of an accident you should remember to do the following EX... Answer998 You are driving a 40 foot vehicle at 45mph. Driving conditions are ide... Answer996 Before backing under a trailer, make sure:... Answer994 After 33 consecutive hours off-duty, you may legally restart your 60 o... Answer971 You should check the height of the trailer before connecting a convert... Answer971 The term Gross Combination Weight refers to:... Answer970 How many hours can a truck driver drive in Alaska?... Answer966 What are two special conditions where you should downshift?... Answer965 What are the three maximum duty Limits at all times?... Answer959 A vehicle is loaded with very little weight on the drive axle. What ma... Answer |
