| 4242 Why should drivers put the starter switch key in your pocket during th... Answer4204 What is counter steering?... Answer2882 The most common type of foundation brakes found on heavy vehicles is t... Answer2468 Which of the following is the correct term for a long commercial vehic... Answer2435 The safety catch for the fifth wheel locking lever must be ____ for a ... Answer2372 The braking power of the spring brakes:... Answer2370 Driving a 100 foot twin trailer combination at 50 mph on a dry road in... Answer2324 When is it required for the driver to have an approved gas mask?... Answer2301 To avoid a crash, you had to drive onto the right shoulder. You are no... Answer2291 Normal oil pressure while idling is:... Answer2217 If you are being tailgated, you should:... Answer2154 You should decrease your following distance if somebody is following y... Answer2052 The crack and whip effect is a major hazard for trucks with trailers. ... Answer2030 Which one of these shipping paper discriptions for a hazardous materia... Answer2029 When checking the free play of manual slack adjusters on s-cam brakes,... Answer2005 Fanning air brakes:... Answer1961 When a substance in the materials table is written in italics, it mean... Answer1955 Liquid tight separations between compartments inside tanks are called:... Answer1950 How many red reflective triangles should you carry?... Answer1918 If your truck or bus has dual parking control valves, it means that yo... Answer1901 Which of these is a good rule to follow when using a fire extinguisher... Answer1875 These horizontal yellow lines indicate:... Answer1815 A moving vehicle ahead of you has a red triangle with and orange cente... Answer1809 You find an overheated tire during an enroute inspection. If you are h... Answer1734 Normal engine temperature ranges from:... Answer1706 If a materials class is the word FORBIDDEN, what kinds of materials ar... Answer1658 If you try to downshift while coming down a mountain, you might:... Answer1647 Why should you back toward the driver's side?... Answer1632 If you have a major leak in the service line and you put on the brakes... Answer1612 How can you test the low pressure warning signal?... Answer1597 Which is true regarding bridge laws?... Answer1568 When your cargo tank has baffles, what handling effect do you expect?... Answer1551 To ensure air is supplied to the second trailer on a combination vehic... Answer1550 Which of the following statements about large trucks is false?... Answer1547 How much longer can you drive for unexpected adverse driving condition... Answer1524 Describe the proper braking technique when going down a long steep dow... Answer1502 During the 14 consecutive hour duty period, you are allowed to drive y... Answer1500 The hazardous waste manifest should be:... Answer1468 What does progressive shifting mean?... Answer1457 When a coolant container is part of a pressurized system, you can:... Answer1449 In normal driving, some drivers use the hand valve before applying the... Answer1447 What type of fire extinguisher is required in the power unit of a plac... Answer1439 You are driving a 40-foot vehicle at 35 mph. Driving conditions are on... Answer1425 When should you downshift automatic transmissions?... Answer1425 If the air compressor leakes, which mechanism keeps the air in the tan... Answer1416 You do not have a hazardous materials endorsement on your commercial d... Answer1404 Three things add up to the total stopping distance for your vehicle. T... Answer1388 When making emergency stops with air brakes and using the stab braking... Answer1372 When you are not sure who has the right-of-way, the safest course of a... Answer1368 Which of these statements about stopping distance and speed is true fo... Answer1350 Separations (between compartments inside tanks that have openings or h... Answer1313 The air leakage rate for a combination vehicle (with engine off and br... Answer1309 For combination vehicles, when the front trailer supports are up and t... Answer1296 The parking brake should be tested while the vehicle is:... Answer1287 You should be extremely cautious when driving smooth bore tankers, esp... Answer1279 Liquid in a tank with baffles can have what kind of surge?... Answer1267 A steady yellow light at an intersection means you must:... Answer1262 When fueling a placarded vehicle, someone must always be:... Answer1255 The air compressor governor controls:... Answer1237 This is the part of the kingpin that the locking jaws should close aro... Answer1236 Outage means:... Answer1214 If the driver crosses the air lines when hooking up to an old trailer:... Answer1208 You should know that your brakes are fading when:... Answer1199 Some large trucks have convex or spot mirrors, which:... Answer1189 How far ahead should you look when driving a truck?... Answer1178 Overloading your trailer can result in the following EXCEPT:... Answer1173 With a Class C drivers license a person may drive:... Answer1166 When you are parked at the side of the road at night, you must:... Answer1162 Which of these statements about double clutching and shifting is true?... Answer1160 Which of these is a good rule to follow when using a fire extinguisher... Answer1157 If the trailer breaks away from a combination vehicle, pulling apart b... Answer1141 You need to be extremely cautious when driving smooth bore tankers. Th... Answer1130 When driving down a long steep hill, you should:... Answer1127 You should plan ahead when you park your vehicle so that:... Answer1122 What is a supply pressure gauge used for?... Answer1116 The amount of liquid to load into a tank depends on:... Answer1102 Baffles in liquid cargo tanks do not usually prevent the movement of s... Answer1087 Which of these about emergency steering of tankers is true?... Answer1064 When driving on a clear night, you must dim your headlights from high ... Answer1061 If heavy fog appears, you should:... Answer1058 Converter dollies:... Answer1037 Which of the following statements is true about overhead clearance?... Answer1036 Which of these statements is correct about seeing ahead?... Answer1006 When coupling a tractor to a semi trailer and have backed up but are n... Answer999 What should wheel bearing seals be checked for?... Answer986 Empty tanker trucks:... Answer985 You are driving a new truck with a manual transmission. What gear will... Answer961 Retarders prevent you from skidding on slippery surfaces.... Answer960 Before backing under a trailer, make sure:... Answer959 Front wheel brakes work well in all conditions.... Answer951 You are checking your tires for a pre-trip inspection. Which of these ... Answer942 How many hours can a truck driver drive in Alaska?... Answer935 In the event of an accident you should remember to do the following EX... Answer933 You are driving a 40 foot vehicle at 45mph. Driving conditions are ide... Answer931 What are two special conditions where you should downshift?... Answer925 After 33 consecutive hours off-duty, you may legally restart your 60 o... Answer920 The term Gross Combination Weight refers to:... Answer919 You should check the height of the trailer before connecting a convert... Answer910 Air loss in a straight truck or bu should not be more than ______ with... Answer902 If oil and water collect in the air tanks, wha tcan happen to the brak... Answer |
