ACTUAL Exam Questions and CORRECT
Answers
what is the minimum tread depth on the front tires? - CORRECT ANSWER - 4/32
how much tread depth is needed on the back tires? - CORRECT ANSWER - 2/32
at what amount of DEF fluid should you fill up? - CORRECT ANSWER - 1/8
what should your oil pressure be at when truck is idling? - CORRECT ANSWER - 5-20
psi
what should your oil pressure be at when truck is operating? - CORRECT ANSWER - 35-
75 psi
how long should it take the truck to build 50-90 psi? - CORRECT ANSWER - within 3
minutes
how much psi does the governer cut off engage? - CORRECT ANSWER - 120-140 psi
how often should trucks check their cargo? - CORRECT ANSWER - 1st 50 miles, then
every 150 miles or every 3 hours
how should your cones be set out on one-way traffic? - CORRECT ANSWER - 10', 100',
and 200' toward the oncoming traffic
how far should your cones be apart on obstructed view? - CORRECT ANSWER - 100'-
500'
, time you see it until your brain recognizes it - CORRECT ANSWER - perception distance
time before you actually hit the brakes - CORRECT ANSWER - reaction distance
why do empty trucks take longer to stop than a loaded truck? - CORRECT ANSWER -
Less traction
Examples of road hazards - CORRECT ANSWER - -work zones
-drop off
-foreign obstacles
-on/off ramps
how often should you inspect your tires? - CORRECT ANSWER - every 2 hours or 100
miles
how many straps should cargo have on it? - CORRECT ANSWER - 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 - CORRECT
ANSWER - 1 inch
in a dual air system, how long does it take to build 85-100 psi? - CORRECT ANSWER -
45 sec
how much play can a belt have to be operational? - CORRECT ANSWER - up to 3/4 inch
of play
what belts should you check for snuggness? - CORRECT ANSWER - -Power steering belt