GRADED QUESTIONS AND ANSWERS 2026 LATEST UPDATED | 100% GRADED
CORRECT | 100% GUARANTEED TO PASS | GET A+
1. Propper tire tread for truck: 4/32 on front tires 2/32 on all others
2. air pressure builds: from 50-90 in 3 minutes
3. air pressure governor cuts out: at 120-140 psi
4. required emergency equipment: fire extinguisher, spare electrical fuses,
warning devices (flares or triangles)
5. max steering wheel play: greater than 10 degrees or 2 inches
6. missing leaf springs: 1/4 or more vehicle is OOS
7. checking hydraulic brake leaks: pump brakes 3x then hold to the floor for 5
seconds and assess for sinking movement
8. checking transported cargo: first 50 miles, then every 150 miles or 3 hours
9. four types of retarders: engine, exhaust, hydraulic, electric
10. how far to look ahead when driving: 12-15 seconds or 1 block/quarter mile
at 55mph
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, 11. checking mirrors during lane change: before lane change, after signaling,
during lane change, after lane change
12. convex mirror issues: make things seem further than they truly are
13. what to assume about other drivers while passing: assume they do not
see you when you
are passing
14. what to do when pulled off of road: activate 4 way flashers
15. average perception time while driving: 1 3/4 seconds at 55mph or 142 feet
16. average reaction time while driving: 3/4 seconds to 1 second
17. when braking at 55 mph, how far will vehicle travel: 419 feet
18. hydroplaning can occur in as little speed as: 30mph
19. empty trucks have the best braking?: false
20. how to tell how much following space you have between vehicle?: when
lead vehicle passes a shadow, count one thousand one, one thousand two,
until you reach the same shadow.
2/7