Oregon Commercial Driver Manual Exam Questions Well Answered.

Oregon Commercial Driver Manual Exam
Questions Well Answered.
CDL needed for... (5) - Answer 1) GVWR 26,001 or more

2) trailer over 10,000 when total weight is over 26,000 including tractor

3) 16 people or more (including drive)

4) HAZMAT

5) motor home or RV when used for business (meeting above requirements)



Class A CDL allows - Answer Any vehicle combination



Class B CDL allows - Answer any single vehicle

trailer less then 10,000



Class C allows - Answer 16 or more passengers

26,001 or less



Exempt from CDL requirements (3) - Answer 1) on duty operators of emergency vehicles

2) military operators driving military vehicles on duty

3) farmers or ranchers



Types of vehicle inspections (3) - Answer 1) Pre-trip

2) During a trip inspections

3) After trip



during a trip inspect... - Answer -tires, wheels, rims

-brakes

-lights/reflectors

, -brake & electrical connections

-trailer coupling devices

-cargo securment devices



Tire min. depth (CDM) - Answer Front tires - 4/32 on all major grooves

All other tires - 2/32



steering system defects - Answer -hoses, pumps, fluid level check for leaks

-sloppy steering wheel



steering wheel play (CDM) - Answer play of more then 10 degrees or 2" on a 20" steering wheel



important oil pressures - Answer Idle: 5-20 PSI

Operating: 35-75 PSI



Pretrip inspection items - Answer 1) Tire problems

2) wheel and rim problems

3) Bad brake drums and shoes

4) steering system defects

5) suspension system defects

6) emergency equipment



Inspection during driving (8) - Answer 1) instruments

2) air pressure gauge

3) temp gauge

4) pressure gauge

5) ammeter/voltmeter

6) mirrors

7) tires