New York CDL prep
Complete question bank
240 New York CDL Permit Test Questions
Browse all 240 original practice questions based on the New York State CDL-10 manual. Study the sections required for your license class and endorsements.
New York permit essentials
57A New York CDL driver is approaching a steep downgrade. What should be selected before starting down?A New York CDL driver is checking tires before a trip. Which condition is unsafe?A New York CDL driver is operating a 40-foot commercial vehicle above 40 mph. What following distance does the CDL-10 manual recommend at minimum?A New York CDL driver should check mirrors before changing lanes because:After a tire blowout, what should the driver do first?At a crash scene, what is the first priority after stopping safely?Do empty trucks always have the best braking?For New York CDL testing, which test is required for all CDL classes?How can a CDL driver measure following distance in seconds?How close should a CDL driver get when using a fire extinguisher?How should a CDL driver use dispatch or communication equipment?How should a driver brake in an ABS-equipped commercial vehicle during an emergency?How should a New York CDL driver start moving on a hill without rolling backward?In New York CDL safe driving, why is space management important?In New York, which manual should a CDL permit applicant use to prepare for the CDL knowledge tests?In New York, why should CDL drivers pay close attention to posted bridge and route restrictions?On a one-way or divided highway, where should three warning devices be placed behind a stopped commercial vehicle?Should a CDL driver use low beams whenever possible at night?Should a retarder be used on a wet, icy, or snow-covered road?What can happen if a CDL driver overuses service brakes on a long downgrade?What is a key reason to communicate early with turn signals in a New York commercial vehicle?What is a truck escape ramp?What is black ice?What is hydroplaning?What is sleep debt?What is the best way to prevent distracted driving before a New York CDL trip?What is the difference between aggressive driving and road rage?What is the main safety benefit of antilock brakes on a commercial vehicle?What is the primary way to monitor the sides and rear of a large vehicle?What is the proper braking method on a long steep downgrade?What is the safest way to handle an emergency stop in a commercial vehicle?What may a New York CDL applicant bring to the vehicle inspection test as a memory aid?What problems can wet brakes cause, and how should a driver dry them?What should a New York CDL driver do if brakes become wet after driving through deep water?What should a New York CDL driver do if windshield wipers fail during heavy rain?What should a New York commercial driver do when another vehicle is following too closely?What should determine a safe speed on a long downgrade?What two indicators help a CDL driver decide when to shift gears?When driving a commercial vehicle in New York traffic, how should you use mirrors?When is it safe to remove the cap from a pressurized cooling system?When may an automatic transmission need to be shifted to a lower range?When preparing for a New York CDL permit test, what is the safest study plan?When roads are wet or icy in New York, what should a CDL driver do?When should a CDL driver use four-way emergency flashers?When should a commercial driver downshift for safer vehicle control?When should a commercial driver select a lower gear?Which action helps prevent a rollover when turning a loaded commercial vehicle?Which habit helps a New York CDL driver avoid tailgating?Which problems commonly cause tire fires?Which type of fire is a B:C extinguisher not designed to fight?Why are these New York CDL practice questions not a replacement for the official manual?Why is steering right often safer than steering left around an obstacle?Why is stopping not always the safest response to a roadway emergency?Why should a New York CDL driver check emergency equipment before a trip?Why should a truck driver avoid swinging left before making a right turn?Why should air not be released from a hot tire?Why should New York CDL drivers know their vehicle height?
General safety and inspection
32A driver taking medication should do what before operating a CDL vehicle in New York?A New York CDL driver should inspect cargo securement because shifting cargo can:During a New York CDL vehicle inspection, why should a driver identify defects clearly?During a trip, which items should a commercial driver continue checking?For New York CDL drivers, what is the main danger of alcohol use before driving?How can a commercial driver reduce stress before and during a trip?How can a driver identify whether a commercial vehicle has ABS?How far ahead should a commercial driver normally scan?How many red reflective warning triangles should a commercial vehicle carry?How should hydraulic brakes be tested for leaks?In New York CDL study, what is the safest response to distracted driving?What are the two main things to look for while scanning ahead?What is a driving hazard?What is the most important reason for a New York CDL driver to inspect a vehicle?What is the safest response to an aggressive driver?What minimum tread depth is required on front tires of a commercial vehicle?What should a driver do before driving when too drowsy to operate safely?What should a driver inspect across the front of a commercial vehicle?What should a driver remember about common cold medicines?What should a New York CDL driver do if cargo starts shifting while driving?What should be inspected on a converter dolly?What should wheel-bearing seals be checked for?Which action is safest when a New York CDL driver feels drowsy?Which behavior can identify a distracted driver near your commercial vehicle?Which condition is a suspension-system defect?Which conditions are common causes of commercial vehicle fires?Which emergency equipment should most commercial vehicles carry?Which parts belong to a commercial vehicle steering system?Why should a driver inspect air and electrical lines on a tractor-trailer?Why should a driver make an emergency plan after spotting a hazard?Why should the ignition key be kept in your pocket during an under-hood inspection?Will coffee, fresh air, or a cold shower make an impaired driver sober?
Driving and road skills
25After driving under an overpass on the New York CDL road test, what might the examiner ask you to identify?Before taking a New York CDL skills test, how long must you generally wait after obtaining your Commercial Learner Permit (CLP)?During a basic-control exercise, what counts as an encroachment?During a turn on the New York CDL road test, what should you avoid doing?During the CDL vehicle inspection test, what must an applicant do besides naming each item?For a New York CDL road test, why is smooth braking important?How should a New York CDL applicant enter an expressway during the road test?If speed doubles, approximately how much can braking distance increase?On a New York CDL road test, what does the examiner evaluate during normal driving?On the New York CDL road test, when should you reduce speed for a curve?On the New York CDL skills test, what do Sections 11, 12, and 13 of the CDL manual help you prepare for?What can happen if an applicant omits required air-brake check steps?What does an offset backing exercise require on the New York CDL basic control test?What is required when completing a parallel-parking exercise on the New York CDL basic control test?What is the most important hand signal to agree on with a backing helper?What makes up total stopping distance?What should a New York CDL driver do before backing a commercial vehicle when a safer forward route is available?What should a New York commercial driver never do while any part of the vehicle is crossing railroad tracks?What should an applicant do before beginning an on-road turn?When backing during CDL practice, what should a New York driver do if unsure about clearance?When stopping behind another vehicle during the New York CDL road test, what safe gap should remain?Which item should be checked during a New York CDL vehicle inspection?Which New York CDL manual section helps prepare for specific driving maneuvers on the road test?Why is backing toward the driver side preferred?Why must a New York CDL applicant prepare to begin the vehicle inspection test at different parts of the vehicle?
Cargo and passenger vehicles
23After the first cargo check, when should securement be rechecked?At a non-exempt railroad crossing, where should a New York bus or placarded vehicle stop?Does opening a transit bus rear door replace setting the parking brake?During a bus interior inspection, what must be kept clear?How many tiedowns are generally required for a 20-foot article not blocked from movement?How soon after starting a trip should cargo securement be checked?May a disabled bus normally be towed with riders still aboard?What can happen if too little weight rests on the front axle?What four cargo duties belong to a commercial driver?What is the difference between GCWR and gross combination weight?What is the minimum number of tiedowns for cargo on a flatbed?What is the standee line on a bus?What must a driver check before transporting a sealed load?When can a legally permitted maximum vehicle weight still be unsafe?When must a bus stop before a drawbridge?When should a bus with passengers be refueled inside a closed building?Where should a disruptive passenger be discharged?Where should a passenger bus stop before a railroad crossing?Which endorsement should a New York CDL driver study for when transporting passengers in a bus?Which hazardous material must not be transported on a passenger bus?Which hazardous materials may generally be carried on a passenger bus in limited amounts?Which practice is prohibited while transporting bus passengers?Why is cargo on an open bed covered?
Air brakes
24A New York CDL applicant plans to drive a vehicle equipped with air brakes. Which extra knowledge test is needed?A New York CDL driver with air brakes should test the low pressure warning signal when?A New York driver wants to remove an air brake restriction. Which knowledge area is most important?Are front-wheel brakes beneficial under normal and slippery conditions?At approximately what pressure should spring brakes begin to apply automatically?During a static air-leakage test in New York, what is the maximum acceptable loss for a single vehicle?During a static air-leakage test, what is the maximum acceptable loss for a combination vehicle?How should a tractor-trailer with ABS be braked?If a New York commercial vehicle does not have automatic air-tank drains, when should the tanks be drained?If the ABS warning lamp stays on, are normal brakes usually still available?Should a driver set the parking brake when leaving an air-brake vehicle for only a short time?What are spring brakes on an air-brake vehicle?What do air-brake slack adjusters do?What does a low air pressure warning signal tell a New York CDL driver?What does an air-brake supply-pressure gauge show?What is a dual air-brake system?What is the maximum applied air-loss rate for a combination vehicle?What is the purpose of the air compressor governor cut-in and cut-out check?When checking a reachable S-cam slack adjuster, what movement suggests that it may need adjustment?When must the low-air warning activate?Which factors can cause commercial brakes to fade or fail?Why can repeated brake application on a downgrade cause failure?Why is manually adjusting automatic slack adjusters considered dangerous?With the service brake fully applied, what one-minute pressure loss is excessive for a New York CDL combination vehicle air-brake check?
Combination vehicles
20After coupling a tractor and semitrailer, how much space should be visible between the upper and lower fifth-wheel plates?After coupling, how much space should remain between the upper and lower fifth wheel?Before driving a coupled tractor-trailer, what should be true of the trailer landing gear?During a visual fifth-wheel inspection, where must the locking jaws close around the kingpin?How are trailer service brakes checked with a hand control during a combination-vehicle inspection?How is the tractor-protection valve tested?How should a New York CDL driver test the trailer emergency brakes after charging the trailer air system?What can happen if a semitrailer is too high when the tractor backs under it?What does the trailer air-supply control do?What is off-tracking in a tractor-trailer?What is offtracking?What is the trailer emergency air line used for?What is the trailer service air line used for?What two habits are most important for preventing combination-vehicle rollover?When coupling a combination vehicle for a New York CDL test, what must be secure before driving?Where are trailer shut-off valves found?Which New York CDL test should a driver study for before operating a tractor-trailer combination?Which trailers are most likely to become stuck on a raised railroad crossing?Why should the trailer hand valve not be used while driving?Why should wheels be chocked when parking a trailer without spring brakes?
Doubles, triples, and tank vehicles
20Do all converter dollies have spring brakes?How can a driver confirm air reaches every trailer in a doubles or triples combination?How can a driver identify ABS on a converter dolly?How can a second trailer be secured before coupling doubles?How can a tank driver help control liquid surge?How do tank bulkheads differ from baffles?How should a New York CDL tanker driver approach highway curves and entrance or exit ramps?How should converter-dolly height be checked before coupling?If a New York CDL applicant wants a tanker endorsement, which topic should they study?In a set of doubles, how should shut-off valves be positioned?Should a tank vehicle take a curve at the posted speed limit?What is a converter dolly?What is outage in a cargo tank?What must be confirmed during a visual inspection of a doubles coupling?What three factors determine how much liquid may be loaded into a tank?What type of liquid surge do baffles mainly help control inside a tank vehicle?Which trailer in doubles is most likely to roll over in a sudden turn?Why do tank vehicles require extra care even when partly loaded?Why does a smooth-bore tanker require extra caution when starting and stopping?Why should a converter dolly be pulled clear before disconnecting it from the front trailer?
Hazardous materials
24A New York CDL driver transporting hazardous materials that require placards generally needs which endorsement?Around which materials is smoking prohibited during loading or unloading?Can battery acid be loaded with dry silver cyanide?How close may a vehicle carrying Division 1.2 or 1.3 explosives park to the traveled roadway?How close may Division 1.2 or 1.3 explosives normally be parked to a bridge, tunnel, or building?How does a portable tank differ from a cargo tank?How often should dual tires be checked on a placarded vehicle?Must a vehicle carrying 100 pounds of Division 4.3 dangerous-when-wet material stop at railroad crossings?What floor liner is acceptable when hauling Division 1.1 or 1.2 explosives?What information determines whether HazMat placards are required?What is a hazardous-materials placard?What is a HazMat cargo tank?What is a safe haven for explosives?What is the Emergency Response Guidebook used for?What should a driver do after finding a slow HazMat leak at a rest area with no phone?What type of extinguisher must a placarded vehicle carry?When leaving a placarded vehicle, where should HazMat shipping papers be placed?When should an engine-powered pump be turned off after unloading compressed gas?Where must a HazMat identification number appear?Where must HazMat shipping papers be kept while driving?Which cargo space should not receive Class 1, Class 2.1, or Class 3 material without checking heater rules?Which hazard class uses a transport index to limit loading and separation?Why does a HazMat driver display placards on a vehicle?Why does a HazMat shipper use approved packaging?
School bus
15At a school-bus stop, when should alternating amber warning lights be activated?Before crossing in front of a school bus, where should students stop?How far can the danger zone extend around a New York school bus?How far should students walk in front of a school bus before crossing?What area should school-bus convex mirrors help the driver see?What is a passive railroad crossing?What should properly adjusted school-bus cross-view mirrors show?What should properly adjusted school-bus flat mirrors show?When approaching a student stop in New York, when should a school-bus driver activate the alternating amber warning lamps?When is a school-bus evacuation mandatory?When stopping to load students in New York, how far should the school bus front bumper be from students waiting at the stop?Where should a school bus stop at a railroad-highway crossing?Which additional endorsement is usually required for a New York CDL driver operating a school bus?Why must a school-bus driver walk through the bus after each route?Why should a New York school-bus driver walk through the bus after unloading at school or completing a route?