Valley Flashcards
When using a guide to help you back into a space, what are the two most important things to do?
- Communicate
- Maintain Eye Contact
What are four steps you can take to help avoid incidents and crashes while baking up?
- honk horn
- flashers
- goal (get out and look)
- use guide
What three components must you inspect before coupling a trailer?
- fifth wheel
- Glad hands
- electricity (cables)
How can you ensure the fifth wheel is properly engaged?
- tug test
What can you do to protect your back when cranking the landing gear ?
Hand on trailer
List 4 shipping documents that must be carried within the drivers reach?
- bill of lading
- waybill
- delivery instructions
- weigh slips
What legal requirements must a driver meet before carrying dangerous goods ?
Placards
What legal requirements must a driver meet before carrying dangerous goods ?
Placards
List two examples of dangerous goods:
- dynamite
- gasoline
If the secondary system fails, which brakes will not function?
Service brakes on the tractor front or rear axle?
Service brakes on the tractor front axle
A quick release valve can be used with spring brakes for ?
Release or application?
Faster application
A tractor with a bobtail proportioning valve will reduce drive axle brakes by how much ?
25% or 75%?
75%
Colors of parking and trailer brake ?
Parking /yellow
Trailer / red
Should the trailer separate from the tractor, what prevents total loss of air?
- tractor protection valve
- safety valve
- two way check valve
- tractor protection valve
In normal operation , how are the trailer spring brakes on the trailer released ?
-parking brake control valve
- air pressure
Air pressure
Which valve applies the service brakes on the trailer only?
-foot valve, relay valve or hand valve ?
Hand valve
Which type of retarding system turns the engine into an air compressor?
-hydraulic driveline
-electric driveline
- engine brakes
- exhaust brakes
Engine brakes
Which type of retarding system turns the engine into an air compressor?
-hydraulic driveline
-electric driveline
- engine brakes
- exhaust brakes
Engine brakes
How are service brakes on the tractor testing to ensure the are working properly?
-tug test
-roll forward slightly and apply the brakes
- roll forward slightly and apply the brakes
What are the dangers of driving a vehicle with under inflated tires ?
Flexing leads to blowout/fire
When a tractor maneuvers around a corner, which part allows the outside wheels to rotate faster than the inside wheels ?
-differential, driveshaft , universal joint ?
Differential
Which of the following slows the vehicle by altering the valve timing which turns the engine into an air compressor ?
-engine brake, exhaust brake, hydraulic retarders , electric retarders?
Engine brake
What is incorrect regarding the clutch brake
-stops or controls speed of the transmission input shaft
- used to engage the only the first and reverse gear when vehicle is stopped
-used in emergency situations to stop the vehicle
It is used in emergency situations to stop the vehicle
Who is responsible to ensure the vehicle registration and insurance is valid and accurate ?
Carrier
The air line that supplies air to the trailer, at full tractor reservoir pressure is called the:
-control line, primary line, supply line
Supply line
What is the main cause of collisions with the vehicle ahead ?
Unsafe following distance
What are the three examples of visual clues or other signs of a potentially hazardous traffic situation?
- delivery trucks
- parked vehicles
- blocked vision
How does skidding under heavy brake use or poor traction affect steering ?
Loss of steering control
How do you calculate following distance of the vehicle ahead ?
Destination marker and counting
List 4 types of surfaces to try to avoid to prevent getting stuck ?
- soft shoulders, mud , deep snow, slippery surfaces
What are 2 types of driver errors?
Recognition and decision errors
Why is it important to report a near miss to your employer ?
- Improve worker safety , prevents future incidents
What is the zone of awareness?
360 degrees around, above and below vehicle
Why make emergency plans when you see a hazard?
React in a safe, responsible manner
2 things that cause brake failure ?
- improper slack adjustment
- worn brake pads
2 tips to help other road users be aware of your presence and intentions ?
- eye contact
- flash lights
- 4 way flashers
- brake lights
- signal early
4 categories of time recorded in a logbook?
- on duty
- off duty
- on duty / other than driving
- off duty / sleeper berth
Max hours to defer in logbook?
2 hrs
What are the 2 logbook cycles ?
70/7 and 120/14
When can a driver defer hours of the off duty time the following day?
- not splitting off duty time
- inclement weather
When you are operating in cycle 2 , when must you take 24 consecutive hours off duty ?
Prior to accumulating 70 hours
How many consecutive hours of off duty time must be taken to RESET the cycle in cycle 1 and 2?
Cycle 1, 36
Cycle 2, 72
What 3 times must the cargo be re-inspected?
- within first 80km
- change of duty status
- every 3 hrs or 240km
What NSC standard sets out the cargo securement standards ?
Ten (10 guidelines)
Who is responsible for ensuring the proper permits are obtained for the shipment ?
Carrier !Owner of the company
List 4 overhead obstructions a driver must watch for.
- canopies
- roof overhang
- signs
- doorway entries
- tree branches
- building protrusions
Max length for,
Single vehicle:
Single/tandem drive:
Tridem drive:
Single vehicle 12.5m
Single/tandem 23m
Tridem 23.5
Two ways to secure tarps?
Straps, rope, webbing
Max vehicle width without permit ?
2.6m
Purpose of tire chains ?
Increase traction
List 2 disadvantages of tire chains
-damages roads
- slower speeds
- reduces fuel efficiency
Between what dates are chains required?
October 1st - April 30th
3 common causes of tire chains failures?
- loose/unsecure
- accelerating too quickly
- driving too fast
- dry roads
How is the truck affected when the front axles are underweight ?
Loss of steering control
Why is it important to know the height of your vehicle before driving?
- permits
- routes
- restrictions (bridge/overpass)
List 3 warning signs of fatigue :
- yawning
- varying speed
- loss of focus
- wandering thoughts
- not remembering the past few kilometers
- drifting between lanes, tailgating, missing signs
Why should you manually downshift automatic/automated transmissions before going down a grade?
Raised rpm and low speeds create engine braking I control speed and hold vehicle back
What risks might you encounter if you travel to an unfamiliar location without confirming facilities and preferred routes?
- personal danger
- isolated and unsecure
3 do’s of courteous cellphone use ?
-3m zone
-pull over
- inform caller when on speakerphone
3 don’ts of courteous cellphone use ?
- emotional conversations in public
- obnoxious ringtone
- taking personal calls while with customer
3 tips for effective voicemails ?
- identify yourself
- leave phone number
- speak clearly
- let the caller know the best time to call you back
3 points for good email etiquette?
- spell check
- meaningful subject line
- don’t use all capitals
- large documents sent as attachments
Between what two pressures must the governor unload the compressor?
Reload?
Unload: 105-135 psi
Reload: no lower than 80 psi
When air reaches maximum level, the compressor is:
Unloaded
In a dual air system, which valve protects the primary system from air loss in the secondary system ?
- one way check
- two way check
- relay
Two way check valve
What does “bottom out” mean in regards to air brakes ?
- brake chamber hits the truck frame
- pressure plate travels to the base of chamber
- foot valve hits the floor
Pressure plate travels to the base of chamber
In a dual system , the primary system supplies air to what?
-front brakes
-rear brakes
Rear brakes
How can spring brakes be released without the use of air pressure ?
-they cannot
-caging
-compounding
-caging the brakes
Which pressure must the governor cause the compressor to return to its loading stage ?
-60-85psi
-80-85psi
-100-105psi
80-85 psi
If the compressor discharge line is broken , what prevents total loss of air?
- one way check valve
- the governor
- two way check valve
One way check valve
Main cause of brake fade at high temperatures?
-brake linings expand away from drums
-brake drums expand away from linings
-brake drums expand away from linings
The main reservoir reads:
-wet tank pressure
- compressor performance
- pressure available for service
Pressure available for service
Which direction should the adjusting nut be turned to tighten the brakes ?
-same direction as s-cam
-makes the s-cam rotate in same direction as air application
Makes the s cam rotate in same direction as air application
Psi numbers,
Governor unloads compressor:
Reloads:
Low air warning:
Dynamite:
105-135
80-105
60-85
20-45
Cargo straps diminished percentage capacity rendering it defective ?
1mm windburn?
2mm tear on black banding?
1mm windburn:
50% diminished capacity
2mm tear on black banding:
70% diminished capacity
Cargo straps diminished percentage capacity rendering it defective ?
1mm windburn?
2mm tear on black banding?
1mm windburn:
50% diminished capacity
2mm tear on black banding:
70% diminished capacity
Clutch brake :
Not for stopping
