CDL General Knowledge 한국어 모의고사 2026
Free CDL General Knowledge practice — the core written test every commercial driver must pass. Real test is in English; native-language explanations and English-term glossary help you learn. 50 questions on the real test (40/50 to pass). Endorsements like HazMat are a planned future addition. 모든 문제를 무료로 연습하고 50문항 모의고사를 실제 합격선 80%로 채점하세요.
🚛 CDL 운행 전 점검 — 단계별
단계별 운행 전 점검 체크리스트 — 7단계 방법, 엔진, 일주 점검, 캡 내 에어 브레이크 점검과 자동 탈락 항목 →
🎯 주제별 연습
Vehicle Inspection
Pre-trip, en-route and post-trip inspections: tires, brakes, steering, suspension, the seven-step method, and what to check and why.
Basic Control of Your Vehicle
Accelerating, steering, stopping, backing safely, and shifting gears: double-clutching, when to shift up/down, multi-speed axles, automatics, and retarders.
Seeing, Communicating & Managing Space
Looking far enough ahead, using mirrors and blind spots, signaling your intentions, communicating your presence, and managing the space all around a large commercial vehicle (CDL General Knowledge §2.4, §2.5, §2.7).
Controlling Speed
Adjusting speed to driving conditions: total stopping distance (perception + reaction + braking), how speed and weight affect stopping, traction and slippery surfaces, curves, visibility, traffic flow, downgrades and work zones.
Seeing Hazards & Distracted Driving
Spotting road and driver hazards early, reading clues to hidden hazards, always having a plan, distracted-driving dangers and the federal phone/texting bans for CMV drivers, and handling aggressive drivers and road rage.
Driving in Special Conditions
Night, fog, winter, very hot weather and mountain driving: headlights and glare, low beams and fog lights, slippery roads, wet brakes, brake fade, low gears and proper braking technique.
Railroad-Highway Crossings
Railroad-highway grade crossings: types of crossings, warning signs and devices, driving procedures, stopping safely, and crossing the tracks.
Driving Emergencies, ABS & Skid Control
Emergency steering and stopping, brake failure and escape ramps, tire blowouts, antilock braking systems (ABS), and recognizing and recovering from skids.
Accident Procedures & Fires
Accident scene: protect the area, flashers, reflective triangles, notify authorities, care for the injured. Fires: causes, prevention, and using a fire extinguisher (classes, base of the fire, upwind, don't open a burning trailer).
Transporting Cargo Safely
Cargo weight and balance: GVWR/GCWR/GAWR, legal weight limits, center of gravity and rollover, weight distribution over axles, blocking and bracing, tie-downs, header boards, covering loads, and cargo needing special attention.
📚 이 시험 학습 가이드
🧰 이 자격증으로 할 수 있는 일
일자리 보기 →🧭 이 길의 다음 단계 — 신규 이민자 커리어 경로
이 시험이 미국 면허·자격 사다리에서 어디에 속하는지 확인하세요 — 중위 급여와 각 실제 시험의 응시 언어 포함 →
📋 준비물
- ✓
Proof of identity & U.S. residency
Documents required vary by state — check your state DMV's CDL page.
- ✓
Social Security number
- ✓
DOT medical certificate (for the CDL/CLP)
Most CDL applicants must be medically certified; bring your med card.
📅 예약 방법
- 1
Study the CDL manual
Use your state's CDL manual (AAMVA model) for General Knowledge, Air Brakes and Combination Vehicles.
- 2
Apply for a Commercial Learner's Permit (CLP)
Pass the required knowledge tests at your state DMV to get the CLP, then practice before the skills test.
- 3
Check your state's specifics
Test languages, fees, scheduling (appointment vs walk-in) and retake rules vary by state — see the per-state table on this page.
💡 시험 당일 팁
- •General Knowledge is required for every CDL. Focus on vehicle inspection, controlling/managing space, seeing hazards, and stopping distance.
- •Learn the key English terms (pre-trip inspection, GCWR, following distance) even if you study in Chinese/Spanish — the real test is in English.
📚 학습 안내서
모든 연습 문제는 아래 섹션을 기반으로 합니다. 클릭하면 공식 자료를 읽을 수 있습니다.
🔗 공식 자료
FMCSA — Commercial Driver's License ↗
Federal CDL overview, classes, endorsements, and English-language-proficiency rules.
AAMVA — CDL Testing ↗
The model CDL manual & testing system that state CDL manuals are based on.
Find your state's CDL manual & test info ↗
Languages, fees, scheduling and pass rules vary by state — see your state DMV (and our per-state table).
❓ 자주 묻는 질문
CDL General Knowledge 시험은 몇 문항이며 몇 개를 맞혀야 합격하나요?
CDL General Knowledge 필기시험은 50문항이며 40개(80%)를 맞혀야 합격합니다.
CDL General Knowledge 시험에서 몇 개까지 틀려도 되나요?
50문항 중 최대 10개까지 틀려도 합격합니다.
CDL General Knowledge 시험에 무엇을 가져가야 하나요?
Proof of identity & U.S. residency — Documents required vary by state — check your state DMV's CDL page. Social Security number DOT medical certificate (for the CDL/CLP) — Most CDL applicants must be medically certified; bring your med card.
CDL General Knowledge 시험은 어떻게 예약하고 보나요?
1. Study the CDL manual: Use your state's CDL manual (AAMVA model) for General Knowledge, Air Brakes and Combination Vehicles. 2. Apply for a Commercial Learner's Permit (CLP): Pass the required knowledge tests at your state DMV to get the CLP, then practice before the skills test. 3. Check your state's specifics: Test languages, fees, scheduling (appointment vs walk-in) and retake rules vary by state — see the per-state table on this page.