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what is the minimum tread depth on the front tires? - ✔✔4/32
how much tread depth is needed on the back tires? - ✔✔2/32
at what amount of DEF fluid should you fill up? - ✔✔1/8
what should your oil pressure be at when truck is idling? - ✔✔5-20 psi
what should your oil pressure be at when truck is operating? - ✔✔35-75 psi
how long should it take the truck to build 50-90 psi? - ✔✔within 3 minutes
how much psi does the governer cut off engage? - ✔✔120-140 psi
how often should trucks check their cargo? - ✔✔1st 50 miles, then every 150
miles or every 3 hours
how should your cones be set out on one-way traffic? - ✔✔10', 100', and 200'
toward the oncoming traffic
how far should your cones be apart on obstructed view? - ✔✔100'-500'
time you see it until your brain recognizes it - ✔✔perception distance
time before you actually hit the brakes - ✔✔reaction distance
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©KERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
, why do empty trucks take longer to stop than a loaded truck? - ✔✔Less traction
Examples of road hazards - ✔✔-work zones
-drop off
-foreign obstacles
-on/off ramps
how often should you inspect your tires? - ✔✔every 2 hours or 100 miles
how many straps should cargo have on it? - ✔✔at least 2 (no matter how small)
and 1 for ever 10 ft of cargo
how much play does the slack adjuster need before it needs an adjustment -
✔✔1 inch
in a dual air system, how long does it take to build 85-100 psi? - ✔✔45 sec
how much play can a belt have to be operational? - ✔✔up to 3/4 inch of play
what belts should you check for snuggness? - ✔✔-Power steering belt
-alternator belt
-water pump belt
-air compressor belt
What does the emergency kit consist of? - ✔✔-Spare electrical fuses
-3 triangular cones
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©KERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.