Class 1 Mock
#1. How often should you inspect your vehicle?
All commercial vehicles that fall under the National Safety Code (NSC) must be inspected before they’re used each day (pre-trip inspections) and at the end of the final trip of each day (post-trip inspections). These inspections are required under the Motor Vehicle Act Regulations. Either you or another person specified by the carrier must perform these inspections.
#2. When transporting a large boulder on a flatbed vehicle, you should support it with at least ____ piece(s) of hardwood blocking and secure it with at least ____ chain(s).
According to the National Safety Code Standard 10 (Cargo Securement), each large boulder must be supported on at least two pieces of hardwood blocking that extend the full width of the boulder. Each cubic-shaped boulder must be secured with two or more chains placed transversely across the vehicle and as close as possible to the hardwood blocking. Each non-cubic-shaped boulder must be secured with two or more chains forming an “X” pattern over the boulder and passing over the centre of the boulder.
#3. In large commercial vehicles, most air brake systems use automatic valves to
Most modern tractors are equipped with an automatic front axle ratio valve, which supersedes the manual front brake limiting valve in older tractors. In light-to-moderate braking, the ratio valve automatically reduces air pressure (and hence braking force) to the front wheels to reduce the chance of front-wheel lockup (which could result in a skid) on slippery roads.
#4. If a trailer is not equipped with spring brakes and the trailer air brake system leaks, what will happen?
After you’ve parked a trailer equipped with air brakes, some air will slowly leak from the trailer air brake system over time. Eventually, so much compressed air will be lost that the trailer brakes will release. If the trailer doesn’t have spring brakes as a backup, it may roll away unless you chocked (blocked) the wheels beforehand.
#5. When should you perform a pre-hill inspection?
British Columbia has many mountainous roads. You must perform a brake pre-hill inspection (brake check) wherever a sign is posted requiring you to do so before a steep hill ahead. (You may be fined for failing to stop to conduct a brake pre-hill inspection.) It’s also wise to perform a pre-hill inspection before every long or steep downgrade
#6. Who is ultimately responsible for the condition of the brakes on a vehicle?
As the driver, you are required to conduct a pre-trip inspection before driving the vehicle on the road. This includes a full check of the braking system. You must not drive the vehicle if you find problems with the brakes. You may be fined as much as $2,000 for driving a vehicle with defective brakes.
#7. Why is it important to know which parts of the air brake system exhaust air?
Compressed air may be exhausted from several different ports in the braking system. This air travels at a very high speed from the vehicle and carries moisture, oil, dirt and dust. It can be dangerous if it hits your eyes or ears. Know the location of all air exhaust ports so you can keep away from them, such as when you’re draining the air tanks.
#8. What is a runaway lane?
Runaway lanes are located beside the road on some downhill grades. These lanes are there to help slow and stop vehicles if their brakes fail as they are going downhill. Don’t use runaway lanes for any other purpose. However, note that automobiles may also use runaway lanes if their brakes have failed.
#9. Under hours of service regulations, a sleeper berth can be
Under hours of service regulations, neither a reclining seat nor the rear seat of a bus qualifies as a sleeper berth.
#10. Which of the following are true about a humpback railway crossing?
Over time, a hump can form at a railway crossing. This may present a danger to low-clearance vehicles such as lowboys, car carriers, or moving vans. Such vehicles can get hung up on the crossing surface or the rails.
#11. If a fire starts in your vehicle, you should do which of the following?
If a fire starts in your trailer, don’t open the trailer doors; the additional oxygen will make the fire worse. Likewise, if a fire starts under the hood, don’t open it. Putting water on gasoline, grease or oil fires will only spread the fire farther. Instead, use a fire extinguisher that is rated for Class B (flammable liquid) fires. Use enough extinguishing material to put out the flames, but try to keep some in reserve in case the fire flares up again.
#12. Which of the following may reduce the amount of steering control you have?
For best traction, tires should have adequate tread and be properly inflated. Overinflating a tire causes excess wear in the centre part of its tread. An overinflated tire has less tread surface in contact with the road surface. Less contact between your tire and the road means less traction. Underinflating a tire causes excess wear on the outer edges of its tread. Under wet conditions, an underinflated tire will not channel the water away very well, which may lead to hydroplaning.
#13. A tiedown must not be used for cargo securement if
it is tangled or significantly damaged in some way: gouges in, or excessive wear of, the chain links; knots in the chain, rope or webbing; spread or disturbed grab hooks; and so forth.
#14. After working 120 hours in a 14-day cycle, drivers must take ____ consecutive hours of off-duty time before taking 70 hours of on-duty time.
Drivers working on Cycle 2 must not drive after completing 120 hours in 14 days, and they must take at least 24 consecutive hours off duty before accumulating the next 70 hours of on-duty time.
#15. You're driving a vehicle equipped with an automatic front-wheel limiting system (ratio valve). If you brake hard during an emergency stop, the air pressure delivered to the front brakes will be approximately _____ of the air pressure to the rear brakes.
The front-brake limiting effect is greatest for brake application pressures below 40 psi (276 kPa). At brake application pressures over 60 psi (414 kPa), there is no limiting effect; the air pressure delivered to the front brakes equals that delivered to the rear brakes.
#16. During a pre-hill inspection of a vehicle equipped with hydraulic brakes, you should do which of the following?
Whether your vehicle has air brakes or hydraulic brakes, it is important to make sure that the brake drums haven’t overheated. To test hydraulic brakes for leaks, first pump the brakes three times. Next, apply firm pressure to the brake pedal for five seconds. The pedal should not move. If it moves, the brakes may have a leak or some other problem.
#17. Which of the following are normal responses from an antilock braking system (ABS)?
To perform emergency braking with ABS, just apply firm, hard, continuous pressure to the brake pedal until the vehicle stops. Don’t be concerned about brake noise, pedal movement or shudder. All this is normal with ABS. Keep applying firm pressure.
#18. At which of the following engine speeds should you drive your vehicle?
At any given speed, the engine develops both torque and horsepower. Peak torque is found at a lower engine speed than peak horsepower. The vehicle should be operated between the engine’s peak torque and peak horsepower. This range is referred to as the normal operating rpm range of the engine. The engine will lug (strain) if it is operated below peak torque for any length of time
#19. Drivers on Cycle 2 must not drive after completing ____ hours of on-duty time in 14 consecutive days.
Drivers on Cycle 2 (a 14-day cycle) must not drive after completing 120 on-duty hours in 14 consecutive days. Furthermore, they must take at least 24 consecutive hours off duty prior to accumulating 70 hours of on-duty time.
#20. Before driving down a grade (hill), you should
When you’re about to start down a steep downgrade, release the gas pedal, shift into a low gear, and use engine braking to slow your vehicle. Don’t try to downshift after your speed has already built up. You will not be able to shift into a lower gear then. If you try to downshift an automatic transmission after your speed has already built up, you may damage the transmission.
#21. What does an ABS system do?
#22. When can flashing amber lights be mounted on a vehicle?
Flashing amber lights are used on construction vehicles, towing vehicles, tow cars that are attending, snow-removal equipment, sanding equipment, pilot cars, and vehicles that are required by permit to use them, such as some oversize vehicles or vehicles carrying oversize loads. If your vehicle is going to haul an oversize load, obtain a Commercial Vehicle Safety & Enforcement permit from ICBC. This will allow you to mount flashing amber or red lights on your vehicle as well as the appropriate oversize signs.
#23. When you're driving on a slippery road, hard braking may cause
If you brake hard on a slippery road, the force of the brakes may overcome the reduced traction of the tires. The wheels will lock and the vehicle may skid. If the rear of your trailer swings out, a jackknife is likely. A skid or jackknife may also occur if you use the trailer hand valve to brake (because it only brakes the trailer, not the tractor).
#24. Before you may obtain a Class 1, 2, or 4 driver’s licence, you must be at least ____ years old.
Before you may obtain a Class 1, 2, or 4 driver’s licence, you must be at least 19 years old. Before you may obtain a Class 3 driver’s licence, you must be at least 18 years old.
#25. Which of the following should you check periodically during your trip?
During your trip, check safety-critical components regularly. These include (a) the tires and wheels, (b) the brakes and hubs, (c) the trailer coupling, and (d) the suspension and driveline. Also, the National Safety Code (NSC) requires you to recheck the cargo securement system whenever your duty status has changed, you’ve been driving for three hours, or you’ve driven 240 kilometres, whichever comes first.