| 4895 What is counter steering?... Answer4734 Why should drivers put the starter switch key in your pocket during th... Answer3278 The most common type of foundation brakes found on heavy vehicles is t... Answer2957 The safety catch for the fifth wheel locking lever must be ____ for a ... Answer2716 Which of the following is the correct term for a long commercial vehic... Answer2607 To avoid a crash, you had to drive onto the right shoulder. You are no... Answer2554 Driving a 100 foot twin trailer combination at 50 mph on a dry road in... Answer2550 Normal oil pressure while idling is:... Answer2546 When is it required for the driver to have an approved gas mask?... Answer2499 The braking power of the spring brakes:... Answer2455 You should decrease your following distance if somebody is following y... Answer2374 If you are being tailgated, you should:... Answer2298 A moving vehicle ahead of you has a red triangle with and orange cente... Answer2280 How many red reflective triangles should you carry?... Answer2250 Fanning air brakes:... Answer2242 The crack and whip effect is a major hazard for trucks with trailers. ... Answer2230 When checking the free play of manual slack adjusters on s-cam brakes,... Answer2201 Which one of these shipping paper discriptions for a hazardous materia... Answer2143 When a substance in the materials table is written in italics, it mean... Answer2133 If your truck or bus has dual parking control valves, it means that yo... Answer2124 Liquid tight separations between compartments inside tanks are called:... Answer2120 Which of these is a good rule to follow when using a fire extinguisher... Answer2068 These horizontal yellow lines indicate:... Answer2057 You find an overheated tire during an enroute inspection. If you are h... Answer1977 Normal engine temperature ranges from:... Answer1914 If a materials class is the word FORBIDDEN, what kinds of materials ar... Answer1845 If you try to downshift while coming down a mountain, you might:... Answer1814 If you have a major leak in the service line and you put on the brakes... Answer1807 Which is true regarding bridge laws?... Answer1788 Why should you back toward the driver's side?... Answer1781 How can you test the low pressure warning signal?... Answer1723 How much longer can you drive for unexpected adverse driving condition... Answer1720 To ensure air is supplied to the second trailer on a combination vehic... Answer1717 You are driving a 40-foot vehicle at 35 mph. Driving conditions are on... Answer1704 When your cargo tank has baffles, what handling effect do you expect?... Answer1689 Which of the following statements about large trucks is false?... Answer1675 The hazardous waste manifest should be:... Answer1668 Describe the proper braking technique when going down a long steep dow... Answer1666 During the 14 consecutive hour duty period, you are allowed to drive y... Answer1658 When a coolant container is part of a pressurized system, you can:... Answer1621 You do not have a hazardous materials endorsement on your commercial d... Answer1610 What does progressive shifting mean?... Answer1596 What type of fire extinguisher is required in the power unit of a plac... Answer1581 Which of these statements about double clutching and shifting is true?... Answer1578 In normal driving, some drivers use the hand valve before applying the... Answer1559 When should you downshift automatic transmissions?... Answer1553 If the air compressor leakes, which mechanism keeps the air in the tan... Answer1539 Three things add up to the total stopping distance for your vehicle. T... Answer1533 When making emergency stops with air brakes and using the stab braking... Answer1530 The parking brake should be tested while the vehicle is:... Answer1526 Which of these statements about stopping distance and speed is true fo... Answer1497 Separations (between compartments inside tanks that have openings or h... Answer1493 When you are not sure who has the right-of-way, the safest course of a... Answer1426 Liquid in a tank with baffles can have what kind of surge?... Answer1426 For combination vehicles, when the front trailer supports are up and t... Answer1415 When fueling a placarded vehicle, someone must always be:... Answer1410 You should be extremely cautious when driving smooth bore tankers, esp... Answer1403 The air leakage rate for a combination vehicle (with engine off and br... Answer1382 When you are parked at the side of the road at night, you must:... Answer1377 The air compressor governor controls:... Answer1370 This is the part of the kingpin that the locking jaws should close aro... Answer1366 Outage means:... Answer1349 You should know that your brakes are fading when:... Answer1341 If the driver crosses the air lines when hooking up to an old trailer:... Answer1339 A steady yellow light at an intersection means you must:... Answer1332 Some large trucks have convex or spot mirrors, which:... Answer1310 Which of these is a good rule to follow when using a fire extinguisher... Answer1309 Overloading your trailer can result in the following EXCEPT:... Answer1308 You are checking your tires for a pre-trip inspection. Which of these ... Answer1306 How far ahead should you look when driving a truck?... Answer1306 Which of the following statements is true about overhead clearance?... Answer1278 With a Class C drivers license a person may drive:... Answer1273 When driving down a long steep hill, you should:... Answer1271 What is a supply pressure gauge used for?... Answer1270 You need to be extremely cautious when driving smooth bore tankers. Th... Answer1261 If the trailer breaks away from a combination vehicle, pulling apart b... Answer1242 Baffles in liquid cargo tanks do not usually prevent the movement of s... Answer1224 You should plan ahead when you park your vehicle so that:... Answer1221 The amount of liquid to load into a tank depends on:... Answer1217 What should wheel bearing seals be checked for?... Answer1209 Which of these about emergency steering of tankers is true?... Answer1201 You are driving a new truck with a manual transmission. What gear will... Answer1200 Converter dollies:... Answer1171 When driving on a clear night, you must dim your headlights from high ... Answer1164 Which of these statements is correct about seeing ahead?... Answer1163 If heavy fog appears, you should:... Answer1121 When coupling a tractor to a semi trailer and have backed up but are n... Answer1108 Front wheel brakes work well in all conditions.... Answer1094 In the event of an accident you should remember to do the following EX... Answer1087 You are driving a 40 foot vehicle at 45mph. Driving conditions are ide... Answer1084 Retarders prevent you from skidding on slippery surfaces.... Answer1070 After 33 consecutive hours off-duty, you may legally restart your 60 o... Answer1066 Empty tanker trucks:... Answer1039 Before backing under a trailer, make sure:... Answer1027 The term Gross Combination Weight refers to:... Answer1025 A vehicle is loaded with very little weight on the drive axle. What ma... Answer1023 You should check the height of the trailer before connecting a convert... Answer1015 If oil and water collect in the air tanks, wha tcan happen to the brak... Answer1014 Air loss in a straight truck or bu should not be more than ______ with... Answer1011 What are the three maximum duty Limits at all times?... Answer |
