| 5479 Why should drivers put the starter switch key in your pocket during th... Answer5362 What is counter steering?... Answer3859 The safety catch for the fifth wheel locking lever must be ____ for a ... Answer3543 The most common type of foundation brakes found on heavy vehicles is t... Answer3247 A moving vehicle ahead of you has a red triangle with and orange cente... Answer3225 Which of these statements about double clutching and shifting is true?... Answer3067 To avoid a crash, you had to drive onto the right shoulder. You are no... Answer2968 Which of the following is the correct term for a long commercial vehic... Answer2799 Normal oil pressure while idling is:... Answer2799 You should decrease your following distance if somebody is following y... Answer2762 Driving a 100 foot twin trailer combination at 50 mph on a dry road in... Answer2740 When is it required for the driver to have an approved gas mask?... Answer2625 The braking power of the spring brakes:... Answer2498 Fanning air brakes:... Answer2472 If you are being tailgated, you should:... Answer2420 If your truck or bus has dual parking control valves, it means that yo... Answer2410 When checking the free play of manual slack adjusters on s-cam brakes,... Answer2395 The crack and whip effect is a major hazard for trucks with trailers. ... Answer2394 How many red reflective triangles should you carry?... Answer2377 Which one of these shipping paper discriptions for a hazardous materia... Answer2356 Which of these is a good rule to follow when using a fire extinguisher... Answer2350 When a substance in the materials table is written in italics, it mean... Answer2339 Liquid tight separations between compartments inside tanks are called:... Answer2326 You find an overheated tire during an enroute inspection. If you are h... Answer2261 You are driving a 40-foot vehicle at 35 mph. Driving conditions are on... Answer2220 These horizontal yellow lines indicate:... Answer2188 Normal engine temperature ranges from:... Answer2131 If a materials class is the word FORBIDDEN, what kinds of materials ar... Answer2094 You are checking your tires for a pre-trip inspection. Which of these ... Answer2089 If you have a major leak in the service line and you put on the brakes... Answer2044 If you try to downshift while coming down a mountain, you might:... Answer1993 Which is true regarding bridge laws?... Answer1983 When a coolant container is part of a pressurized system, you can:... Answer1929 How can you test the low pressure warning signal?... Answer1906 Why should you back toward the driver's side?... Answer1882 To ensure air is supplied to the second trailer on a combination vehic... Answer1878 How much longer can you drive for unexpected adverse driving condition... Answer1871 When your cargo tank has baffles, what handling effect do you expect?... Answer1835 The hazardous waste manifest should be:... Answer1822 You do not have a hazardous materials endorsement on your commercial d... Answer1814 Describe the proper braking technique when going down a long steep dow... Answer1811 Which of the following statements about large trucks is false?... Answer1804 Which of these statements about stopping distance and speed is true fo... Answer1803 Which of the following statements is true about overhead clearance?... Answer1796 When you are parked at the side of the road at night, you must:... Answer1785 During the 14 consecutive hour duty period, you are allowed to drive y... Answer1761 What does progressive shifting mean?... Answer1759 The parking brake should be tested while the vehicle is:... Answer1751 What type of fire extinguisher is required in the power unit of a plac... Answer1748 In normal driving, some drivers use the hand valve before applying the... Answer1700 When should you downshift automatic transmissions?... Answer1677 If the air compressor leakes, which mechanism keeps the air in the tan... Answer1670 Three things add up to the total stopping distance for your vehicle. T... Answer1657 When making emergency stops with air brakes and using the stab braking... Answer1621 When fueling a placarded vehicle, someone must always be:... Answer1618 Separations (between compartments inside tanks that have openings or h... Answer1612 When you are not sure who has the right-of-way, the safest course of a... Answer1575 Liquid in a tank with baffles can have what kind of surge?... Answer1573 For combination vehicles, when the front trailer supports are up and t... Answer1528 You should be extremely cautious when driving smooth bore tankers, esp... Answer1516 You are driving a 40 foot vehicle at 45mph. Driving conditions are ide... Answer1512 If the driver crosses the air lines when hooking up to an old trailer:... Answer1509 This is the part of the kingpin that the locking jaws should close aro... Answer1507 You are driving a new truck with a manual transmission. What gear will... Answer1503 Outage means:... Answer1497 The air compressor governor controls:... Answer1490 You should know that your brakes are fading when:... Answer1486 The air leakage rate for a combination vehicle (with engine off and br... Answer1486 Which of these is a good rule to follow when using a fire extinguisher... Answer1477 Some large trucks have convex or spot mirrors, which:... Answer1461 Overloading your trailer can result in the following EXCEPT:... Answer1433 What should wheel bearing seals be checked for?... Answer1399 A steady yellow light at an intersection means you must:... Answer1399 You need to be extremely cautious when driving smooth bore tankers. Th... Answer1390 Baffles in liquid cargo tanks do not usually prevent the movement of s... Answer1377 When driving down a long steep hill, you should:... Answer1373 How far ahead should you look when driving a truck?... Answer1372 What is a supply pressure gauge used for?... Answer1361 With a Class C drivers license a person may drive:... Answer1359 Which of these about emergency steering of tankers is true?... Answer1357 If the trailer breaks away from a combination vehicle, pulling apart b... Answer1353 You should plan ahead when you park your vehicle so that:... Answer1341 Which of these statements is correct about seeing ahead?... Answer1324 Converter dollies:... Answer1312 The amount of liquid to load into a tank depends on:... Answer1291 If heavy fog appears, you should:... Answer1277 When driving on a clear night, you must dim your headlights from high ... Answer1243 Front wheel brakes work well in all conditions.... Answer1236 In the event of an accident you should remember to do the following EX... Answer1230 When coupling a tractor to a semi trailer and have backed up but are n... Answer1214 After 33 consecutive hours off-duty, you may legally restart your 60 o... Answer1208 What are two special conditions where you should downshift?... Answer1198 Retarders prevent you from skidding on slippery surfaces.... Answer1197 A vehicle is loaded with very little weight on the drive axle. What ma... Answer1193 When you unload the smaller tanks of a tank with bulkheads, be careful... Answer1148 Before backing under a trailer, make sure:... Answer1134 Empty tanker trucks:... Answer1127 Air loss in a straight truck or bu should not be more than ______ with... Answer1124 You should check the height of the trailer before connecting a convert... Answer1120 The term Gross Combination Weight refers to:... Answer |
