- Do cars overheat more in hot weather?
- What should you do when you see a hazard in the road in front of you?
- How many red reflective triangles should I carry?
- What do bad tires feel like?
- Why does tar melt in the sun?
- Why should you back toward the driver’s side?
- What things should you check during a trip?
- How do I know when my tires need replacing?
- How long can I drive with a bubble in my tire?
- When you must leave the road to avoid hazard and emergency?
- Which may be a sign of tire failure?
- What should you do if you experience brake failure?
- What is the first thing you should do if your brakes fail while going down a hill CDL?
- Which lights Cannot be checked at the same time?
- When braking in an emergency stop you should?
- What happens to tar in hot weather?
- At what temperature does asphalt soften?
- When should you slow down on the highway?
Do cars overheat more in hot weather?
Cars overheat most often in very hot weather.
Although hot weather is the most common cause of overheating, many other factors can cause the same problem.
If your vehicle overheats in traffic in normal weather, one of the following may be the culprit: The water and coolant and water level in the radiator is low..
What should you do when you see a hazard in the road in front of you?
17. What should you do when you see a hazard in the roadway ahead of you? Use your four way flashers or brake lights to warn other.
How many red reflective triangles should I carry?
Cards In This SetFrontBackHow many red reflective triangles should you carry?3How do you test hydraulic brakes for leaks?Pump the brake pedal three times, apply firm pressure, hold for five seconds. The pedal should not move.Why put the starter switch key in your pocket during the pre-trip inspection?For your safety12 more rows•Aug 27, 2020
What do bad tires feel like?
Wobbling. Wobbling is the most obvious tire sign of a bad tire. Wobbling typically only happens at low speeds and you will physically feel the car bounce up and down and you also may see the steering wheel move.
Why does tar melt in the sun?
While this is higher than average UK summer temperatures, under direct sunlight the dark material rapidly heats up. When air temperatures outside are just 77F (25C), asphalt in the sun has been measured at 125F (51C). … As temperatures rise, the material softens, meaning it can sink under the weight of heavy vehicles.
Why should you back toward the driver’s side?
Why should you back toward the driver’s side? Back to the driver’s side so you can see better. Backing toward the right side is very dangerous because you can’t see as well. If you back and turn toward the driver’s side, you can watch the rear of your vehicle by looking out the side window.
What things should you check during a trip?
What things should you check during a trip? instruments, air pressure gauge, temp gauge, pressure gauge, ammeter/voltmeter, mirrors, tires, cargo/ cargo covers, lights.
How do I know when my tires need replacing?
Place a penny head first into several tread grooves across the tire. If you always see the top of Lincoln’s head, your treads are shallow and worn. If this is the case, your tires need to be replaced. If part of Lincoln’s head is always covered by the tread, you have more than 2/32 of an inch of tread depth remaining.
How long can I drive with a bubble in my tire?
You can go zero miles safely. You might be able to drive to a tire shop if you drive carefully and conservatively, but it is risky. The tire is a timebomb. A bubble in a tire indicates structural damage to the belts or sidewall chords, allowing air to leak from the inside into the body of the tire itself.
When you must leave the road to avoid hazard and emergency?
Sometimes you need to leave a road to avoid a hazard or emergency. When you do so you should keep in mind, that: It’s less dangerous to drive onto the shoulders than to make a collision. 22.
Which may be a sign of tire failure?
If you see a bulge or blister on the sidewall, replace the tire at once. These signal potential weak spots that could lead to tire failure. Excessive vibration. Tire vibration may be a sign a wheel is misaligned, unbalanced, or bent.
What should you do if you experience brake failure?
If your brakes suddenly fail, do the following:Downshift to low range (labeled as 1) in case of automatic transmission and low gear in manual transmission.Pump the brake pedal fast and hard to build up brake fluid pressure. … Apply the parking brake, but be ready to release it if the car begins to skid.More items…
What is the first thing you should do if your brakes fail while going down a hill CDL?
Any driver who loses brakes going downhill should use an escape ramp if available. If you do not use it, your chances of having a serious accident may be much greater. If no escape ramp is available, take the least hazardous escape route you can, such as an open field or a side road that flattens out or turns uphill.
Which lights Cannot be checked at the same time?
4 seconds. Which of these lights cannot be checked at the same time? Turn signals, brake lights, and four-way flashers.
When braking in an emergency stop you should?
Squeeze the brake pedal firmly and fully to stop the vehicle as quickly and as safely as possible. It is preferable to use the clutch to stop the engine stalling or cutting out. In a real emergency situation, this will save time if you have to move on quickly.
What happens to tar in hot weather?
Tar in the road pavement frequently rises to the surface in very hot weather. Spots where tar “bleeds” to the surface are very slippery.
At what temperature does asphalt soften?
around 50CMost roads will not begin to soften until they hit a temperature of around 50C. However, even a sunny day in the 20Cs can be enough to generate 50C on the ground as the dark asphalt road surface absorbs a lot of heat and this builds up during the day with the hottest period between noon and 5pm.
When should you slow down on the highway?
Answer: When exiting the freeway, the off-ramps provide more than adequate space for a driver to slow down to surface street speeds. A driver should signal his intention to exit the freeway (at least 100 feet before the movement), move onto the exit ramp and then begin to slow for the transition to slower speeds.