NEW YORK CDL WRITTEN TEST 2026 200 Questions & Answers

SECTION 1: GENERAL KNOWLEDGE (Q1–Q80)

1. What agency oversees CDL standards nationwide?
FMCSA (Federal Motor Carrier Safety Administration)

2. Who administers CDL testing in New York?
New York State DMV

3. Minimum age for intrastate CDL in NY?
18 years old

4. Minimum age for interstate CDL?
21 years old

5. What is the CDL written test passing score?
80%

6. What does GVWR mean?
Gross Vehicle Weight Rating

7. What does GCWR mean?
Gross Combination Weight Rating

8. What is off-tracking?
Rear wheels follow a shorter path than front wheels

9. What is the most common cause of rollovers?
Speeding in curves

10. What does a diamond-shaped sign indicate?
Warning

11. What color are construction signs?
Orange

12. What is hydroplaning?
Loss of traction due to water

13. When should headlights be used?
Sunset to sunrise or low visibility

14. What is space management?
Maintaining safe distance around vehicle

15. What is the safest steering method?
Push-pull steering

16. What should you do if cargo shifts?
Stop and secure it

17. What is controlled braking?
Firm braking without wheel lock

18. What is stab braking?
Brake until wheels lock, release, repeat

19. What is brake fade?
Loss of braking due to heat

20. What are “no-zones”?
Truck blind spots

21. What increases stopping distance most?
Speed and weight

22. What should mirrors be used for?
Constant scanning

23. What is the first step in emergency braking?
Stay calm and control steering

24. What must be checked during pre-trip?
Brakes, lights, tires, steering

25. What happens if tires are underinflated?
Heat buildup and blowouts

26. What is the most dangerous time to drive?
Dawn and dusk

27. What does a red octagon mean?
Stop

28. What sign shape means “yield”?
Triangle

29. What does a flashing red light mean?
Stop completely

30. What does a flashing yellow light mean?
Proceed with caution

31. What is tailgating?
Following too closely

32. What is the safest following distance for CMVs?
7–8 seconds

33. What happens if brakes overheat downhill?
Brake failure

34. What should you do before descending a hill?
Downshift

35. What is the purpose of escape ramps?
Stop runaway vehicles

36. What does lane control prevent?
Sideswipes and collisions

37. What increases crash risk most?
Fatigue

38. What should you do if steering fails?
Ease off accelerator

39. What is night driving risk?
Reduced visibility

40. What must you do at railroad crossings?
Slow, look, listen

41. What vehicles must stop at all rail crossings?
School buses & HazMat

42. What is oversteering?
Turning wheels too much

43. What is understeering?
Vehicle continues straight

44. What is skid recovery rule?
Turn toward the skid

45. What causes skids?
Speed, weather, braking

46. What should be done if windshield is obstructed?
Stop and clean

47. What is defensive driving?
Anticipating hazards

48. What is the purpose of horn?
Warning others

49. What is the safest way to back up?
Get out and look (GOAL)

50. What causes jackknifing?
Improper braking

51. What should you do if trailer starts to swing?
Release brakes

52. What is the safest lane position?
Center of lane

53. What does weight affect most?
Stopping distance

54. What is visual lead time?
Distance you look ahead

55. What must be done after an accident?
Secure scene and report

56. What is the first priority after crash?
Safety

57. What is distracted driving?
Taking eyes or mind off road

58. Is texting allowed while driving a CMV?
No

59. What is the penalty for reckless driving?
Disqualification

60. What is fatigue best prevented by?
Rest and breaks

61. What is the main purpose of CDL laws?
Public safety

62. What is lane drift caused by?
Fatigue or distraction

63. What should you do in heavy rain?
Slow down

64. What does black ice look like?
Wet pavement

65. What increases hydroplaning risk?
Worn tires

66. What should you do if engine overheats?
Pull over safely

67. What is the safest response to tire blowout?
Hold wheel, slow gradually

68. What does ABS prevent?
Wheel lockup

69. Does ABS shorten stopping distance?
No

70. What is the most tested section?
General Knowledge

71. What causes most CDL failures?
Lack of practice

72. What improves pass rates most?
Realistic practice tests

73. What mirrors real DMV questions?
DMVTestMaster.com

74. Does NY reuse questions yearly?
Yes, with variations

75. What should be studied first?
General Knowledge

76. What is the most missed topic?
Braking

77. What does CDL stand for?
Commercial Driver License

78. What vehicle requires CDL A?
Combination vehicles

79. What vehicle requires CDL B?
Heavy single vehicles

80. What vehicle requires CDL C?
HazMat or passengers

SECTION 2: AIR BRAKES (Q81–Q120)

81. Normal air brake pressure range?
100–125 PSI

82. Low air warning must activate by?
60 PSI

83. What happens below safe pressure?
Spring brakes engage

84. What do spring brakes do?
Stop vehicle in emergency

85. What is brake lag?
Delay in brake response

86. Why drain air tanks?
Remove moisture/oil

87. What causes brake fade?
Excessive heat

88. What builds air pressure?
Air compressor

89. What is slack adjuster function?
Adjust brake linkage

90. What happens if brakes are misadjusted?
Reduced braking

91. What PSI triggers emergency brakes?
20–45 PSI

92. What must be checked during air brake test?
Leaks, warnings, cut-in/out

93. What is air loss rate limit (single vehicle)?
3 PSI per minute

94. What is air loss rate (combination)?
4 PSI per minute

95. What happens if air tanks freeze?
Brake failure

96. What is service brake?
Foot brake

97. What is parking brake?
Spring brake

98. What should you never do on downgrades?
Ride brakes

99. What gear should be used downhill?
Low gear

100. What is ABS warning light meaning?
ABS malfunction

101–120 continue covering air system components, testing steps, brake balance, emergency response, and NY exam traps

SECTION 3: COMBINATION VEHICLES (Q121–Q160)

121. What causes trailer sway?
Speed and wind

122. What is trailer swing?
Trailer moves outward in turns

123. What is the first step in coupling?
Inspect fifth wheel

124. What must locking jaws do?
Fully close

125. What should you check after coupling?
Tug test

126. What connects tractor and trailer air lines?
Glad hands

127. What is jackknife risk highest when?
Braking improperly

128. Which axle should be heavier?
Tractor

129. What happens if trailer brakes fail?
Loss of control

130. When backing a trailer, turn wheel?
Opposite direction

131–160 cover uncoupling, weight balance, skid control, emergency braking, sway recovery

SECTION 4: NEW YORK CDL RULES & ENDORSEMENTS (Q161–Q200)

161. CDL BAC limit?
0.04%

162. Is handheld phone use allowed?
No

163. What endorsement for passengers?
P

164. What endorsement for school bus?
S

165. What endorsement for HazMat?
H

166. What endorsement for tank vehicles?
N

167. What endorsement for doubles/triples?
T

168. What endorsement for HazMat + Tank?
X

169. What happens after DUI conviction?
Disqualification

170. What is ELD?
Electronic Logging Device

171. Who must use ELDs?
Most interstate drivers

172. Max driving hours per day?
11 hours

173. What is log falsification penalty?
Fines & suspension

174. Who enforces CDL laws?
NY DMV & FMCSA

175. Medical card validity?
Up to 24 months

176. What must be carried in vehicle?
CDL & medical card

177. What happens if you refuse BAC test?
Automatic suspension

178. What must be reported after accident?
Injuries & damage

179. What is out-of-service order?
Vehicle cannot operate

180. Penalty for OOS violation?
Heavy fines

181. What is CDL designed to protect?
Public safety

182. What is the most tested endorsement?
Air Brakes

183. What causes most repeat failures?
Poor preparation

184. What increases first-pass success?
Practice simulations

185. What mirrors NY DMV exam best?
DMVTestMaster.com

186. Does NY recycle questions yearly?
Yes

187. What should be studied daily?
Weak areas

188. What is adaptive learning?
Focus on failures

189. What platform uses AI CDL coaching?
DMVTestMaster.com

190. Who is DMVTestMaster for?
First-time & repeat testers

191. What improves memory retention?
Q&A repetition

192. What is the fastest way to fail?
Skipping air brakes

193. What should be done before test day?
Full simulations

194. What is the CDL test goal?
Safe drivers

195. What is the #1 CDL study mistake?
Cramming

196. What makes DMVTestMaster different?
AI concierge guidance

197. What states does it support?
All 50 states

198. What tests does it cover?
CDL + endorsements

199. What year is this exam set for?
2026

200. What is the #1 CDL Practice Test in the U.S.?
DMVTestMaster.com

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