Production Machinery Tractors Practice Exam

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• What maintenance checks should be performed on the steering system, and what are common symptoms of steering problems?
• Which method is most effective for diagnosing a hydraulic leak and distinguishing between a hose issue and a failed seal?
• Which part provides buoyancy for the float-assisted tiller and is commonly referred to as float or hull?
• What is the term for the distance between the supporting surface and the lowest point of the WTAT?
• For above 65 kW, the maximum drawbar coefficient is described by which expression?
• Which term is defined as the detachable pin forming part of the upper link assembly by which the upper link is secured?
• The radius of the smallest circle described by the outermost point of the four-wheel tractor is known as what?
• Which component consists of a single or pair of wheels with radially mounted tilling blades attached to a common shaft, supported and powered by the transmission?
• Which term is defined as the rigid bar at the rear of the four-wheel tractor to which trailed implements and equipment are hitched?
• Which term describes the system that transmits power from the engine to the driving wheel and rotary tiller?
• What term describes the distance from the centerline of the linchpin hole to the shoulder of the hitch pin?
• What term measures the vertical distance between the upper hitch point and the common axis of the lower hitch points?
• What fire hazards are associated with tractors and what extinguisher type is recommended?
• What term describes the height of the center of the lower hitch points above ground level when fully lowered using the full lift range?
• Which measurement is the distance from the horizontal supporting surface to the horizontal plane touching the uppermost part of the WTAT, including fixed components projecting upward?
• To maintain EPA Tier emissions compliance, which action is recommended?
• What indicates engine overheating and what should you do?
• How can fuel efficiency be optimized in tractor operation through RPM and throttle control?
• What term describes any material added to the tractor to enhance traction or stability?
• Which statement about drawbar power coefficients is true?
• What term refers to the pin, or clevis and pin, usually attached to the implement, by which a lower link is secured?
• During maintenance, what is a common practice to prevent movement of heavy components?
• What is the purpose of performing a pre-operation inspection on a tractor, and which statement best describes its goal?
• Why is ballast management important for tractors, and how does ballast affect stability on slopes?
• How does a tractor hydraulic system power implement movements, and what is the function of hydraulic relief valves?
• Which term describes the power delivery system as an enclosed set of gears that transmits engine power to the various subsystems?
• When mounting an implement to a tractor's 3-point hitch, besides weight, what must be verified?
• Speed in revolutions per minute specified by the manufacturer is known as what?
• What is the purpose of a PTO shield, and why should it be in place during operation?
• What is the proper sequence to contain and repair a hydraulic leak?
• At exactly 65 kW drawbar power, which regime applies for calculating the maximum drawbar coefficient?
• What term describes the component that provides the location of the upper hitch point on the implement?
• Which term is used for the distance describing the outer boundary in the turning envelope—the radius of the smallest circle described by the outermost point of the tractor?
• What procedure should be followed to ensure safe operation when performing maintenance on a loader or backhoe with hydraulic lines exposed?
• Roll-over protective structures (ROPS) are a cab or frame installed on agricultural tractors to protect the operator from overturning during operations.
• Which braking system uses compressed air generated by a compressor and stored in a tank?
• Maximum power at rated speed measured at the flywheel or crankshaft is called what?
• Which term denotes fuel consumed per unit of work, an efficiency measure for engines?
• Which term indicates the height of the lower hitch points above the ground when fully lowered?
• Which term refers to the center-to-center distance between the two front or rear wheels?
• Three-point contact is maintained when mounting a tractor. Which configuration is NOT a valid three-point contact?
• Which term is the pin by which the upper link is connected to the tractor?
• Where is hydraulic system pressure typically measured to verify proper operation?
• The motion of the brake rod in the direction shown is transmitted through the brake lever to rotate the brake cam for braking. This system is called what?
• Which action best improves overnight security for a parked tractor?
• What is the enclosed system of assembled gears that transmits and distributes power from the engine to the other parts of the transmission system called?
• Which approach best sets maintenance intervals for a tractor used in different tasks?
• Which clutch disengages power to one driving wheel to enable the WTAT to turn toward the halted side?
• In SCR/DPF maintenance for EPA Tier compliance, which practice should be avoided?
• What is recommended when driving a tractor on slopes to maximize safety?
• Which term describes the articulated connection between the upper link and the tractor?
• What are proper towing procedures for a stuck tractor and why should you avoid towing with chains from the drawbar?
• Which action best protects a tractor from weather during long-term storage?
• Which term describes the upper linkage element that is fitted with an articulated connection at both ends?
• Which component provides the mechanism for transmitting power from the engine to the rotary tiller?
• Which term is the pin by which the upper link is connected to the tractor?
• What is the correct method to connect jumper cables when jump-starting a tractor battery?
• What are common signs of hydraulic leaks?
• When the engine is running, which safety practice is correct for mounting a front-end loader?
• Which signs indicate you should turn back when operating on slopes?
• What are best practices for storing diesel on a farm to prevent contamination and how should you manage water in diesel?
• Which measurement is defined as the distance between two vertical planes parallel to the median plane of the WTAT, touching the outer-most points on each side with wheels in minimum-track configuration?
• What is PTO and what safety practices should be followed when engaging PTO-driven implements?
• If the drawbar power is 80 kW, which value represents the maximum coefficient according to the formula 20.15 + 0.155 P?
• Which factors determine hydraulic flow and pressure requirements when selecting an attachment?
• Which term describes the distance between two vertical planes parallel to the median plane touching outermost points on each side?
• What is the horizontal distance perpendicular to the direction of travel within which an implement or attachment performs its function, expressed in meters?
• What term names the component that secures the lower link to the implement?
• Which term describes the vertical movement of the lower hitch points corresponding to the lift's power travel, excluding adjustments in the lift rod linkage?
• Which of the following best describes the role of ROPS and seat belt use on a tractor?
• The distance between two vertical planes parallel to the median plane of the four-wheel tractor, each plane touching the outermost point on its respective side, is called what?
• Which term denotes the distance between the front and rear wheel axles?
• Which action completes a comprehensive security routine when leaving a tractor parked for an extended period?
• What is the term for the percentage of input power transmitted to the axle?
• Before attaching or detaching PTO-driven implements, what safety step should be followed?
• What term describes a walking-type agricultural tractor capable of pulling implements; also commonly referred to as traction type?
• Which term describes the total height of the lower hitch points above the ground using the full manual adjustment of lift rods in conjunction with the movement range, with the lower hitch point axis maintained horizontal in the transverse plane?
• Which term refers to the power available at the drawbar sustained over a distance of at least 20 meters?
• What typical documentation is required when transporting tractors on public roads and what permits may be needed?
• Which is the external shaft at the rear of the four-wheel tractor that provides rotational power to implements and machines?
• Total weight of the four-wheel tractor excluding tools with the fuel tank filled to 80 percent capacity and with normal amounts of cooling water and lubricating oil when the four-wheel tractor is at work is called what?
• What factors in tires influence traction and stability?
• Four-wheel tractors that can receive tractive power from the rear wheels or from both front and rear wheels are commonly known as what?
• Which clutch disengages power to both driving wheels to allow the WTAT to move forward or stop?
• During refueling, which step is essential to prevent fire hazards and static electricity?
• Maximum engine power at rated engine speed.
• Why is tightening wheel lug nuts to specification important, and what torque pattern should be used?
• How should you safely jump-start a tractor with a dead battery and what precautions should you take to avoid sparks?
• What is the purpose of regular lubrication schedules and what are key lubrication points on most tractors?
• What distance is defined as the distance between two vertical planes at right angles to the median plane of the WTAT and touching its front and rear extremities?
• What does WTAT stand for in agricultural machinery terminology?
• Movement allowing inclination of the implement, measured vertically and with one lower link horizontal, so that either lower hitch point can be moved higher or lower than the other.
• Which term denotes the power measured at the PTO shaft?
• Specific Fuel Consumption is given in which unit in this context?
• The immediate source of power for the operation of four-wheel tractors is what?
• What term is the lower linkage element, fitted with an articulated connection at both ends?
• What term describes the actual area covered per unit time of operation, expressed in hectares per hour?
• What is the primary difference between service brakes and parking brakes on tractors, and how can brake fade be avoided?
• What information should be recorded in service logs?
• What is the main reason to torque wheel lug nuts to specification?
• Which term refers to the distance between two wheels on the same axle measured from center to center?
• The horizontal center-to-center distance between the front and rear wheel axles is known as what?
• Which term refers to the engine’s maximum power at rated speed as measured at the flywheel?
• What are common electrical system faults on tractors and how would you diagnose a dead battery?
• What term denotes the articulated connection between a lower link and the tractor?
• The radius of the smallest circle tangentially described by the median plane of the outermost wheel of the tractor is called what?
• Connections that transmit force to the lower links for raising and lowering.
• What should you check on tires regularly?
• Why is following OEM safety decals and operator manuals crucial, and what should you do if a decal is missing or damaged?
• Which term describes the maximum vertical lifting force on the lower links of a tractor?
• Using the above formula, what is the maximum drawbar power coefficient when the drawbar power is 100 kW?
• What is the maximum Specific Fuel Consumption, in g/kW-h?
• Which term is the vertical distance from the upper hitch point to the common axis of the lower hitch points?
• What protective measures are required for PTO shielding?
• Which statement correctly describes the basic operating principle of a diesel tractor engine and the purpose of glow plugs in cold weather starting?
• What maintenance checks should be performed on the battery and electrical system during a pre-operation inspection?
• The maximum drawbar power coefficient for below 65 kW and above 65 kW are described in how many separate regimes?
• Describe safe mounting and dismounting of a front-end loader with the engine off versus running.
• What is the term for the float-assisted tiler as described in the materials?
• Which term refers to the articulated connection between the upper link and the implement?
• Which term refers to the radial clearance from the lower hitch point axis to the tractor’s tire or mudguard?
• Which signs indicate a worn V-belt on a tractor, and how should it be addressed?
• Which measurement describes the height of the WTAT from the ground to the topmost point, including fixed upward components?
• Which transmission assembly transmits power from the engine to both the driving wheel and rotary tiller?
• The stepping force on the brake pedal is converted to hydraulic forces by the master cylinder and transmitted through the pipe to the wheel cylinder. This braking system is called what?
• What are common signs of an overheating tractor engine?
• What is the purpose of a rollover protection structure (ROPS) and how should you safely mount and dismount to maintain three points of contact?
• During ____, various adjustments of the machine shall be made according to the recommendation of the test applicant.
• Which term describes the rpm value specified by the manufacturer for engine operation?
• What can cause incorrect hydraulic pressure?
• Combination of one upper link and two lower links, each articulated to the four-wheel tractor and the implement at opposite ends, that connects the implement to the tractor.
• Which is the self-propelled machine with a single axle designed to pull implements with the operator walking behind, also commonly referred to as a hand tractor or pedestrian tractor?
• Which lights are typically required on tractors operating on farms or roads?
• The distance between the ground and the horizontal plane touching the uppermost part of a four-wheel tractor is called what?
• Which specification identifies the weight of the tractor itself, excluding any attached implements?
• When selecting a 3-point hitch category, what considerations ensure compatibility with the implement and tractor?
• For maximum drawbar power above 65 kW, the coefficient is described by which expression?
• Which safety interlocks on tractors prevent rollover or movement and how do you test them?
• Why is loose clothing dangerous around PTO shafts?
• Which term describes the distance between the centers of the lower hitch pins where the sides of the lower link ball joints rest?
• Which of the following describes common causes of excessive noise or vibration in a tractor, and a safe way to troubleshoot?
• What term defines the clearance, expressed as a radial dimension, from the lower hitch point axis to the outside diameter of the tire or mudguard, measured with the implement raised to transport height?
• In trailer electrical troubleshooting, which indicates a good ground when using a multimeter?
• Pin, usually fitted with a spring- retaining device, by which an articulated connection is retained in position.
• Which term is defined as the ratio of the speed difference between a pulley or belt and wheels or track with load to the speed without load?
• How does a tractor cooling system prevent overheating, and what are common causes of overheating?
• What is the consequence of exceeding the hitch lift capacity with an implement?
• Which value is explicitly given as a maximum reference in the material for fuel consumption?
• If you want to raise and lower the implement, which component transmits the motion to the lift arms?
• Which maintenance task helps prevent failures of DEF/NOx sensors, and what is a common symptom of sensor issues?
• Which term describes the distance between the leftmost and rightmost sides of the WTAT when wheels are set for minimum track?
• Maximum vertical lifting force on the lower links of the four-wheel tractor is called what?
• PTO Power, minimum, as a percent of the rated power, is?
• What term denotes the articulated connection between a lower link and the implement?
• How does colder coolant affect engine wear?
• Mean maximum sustained pull of the four-wheel tractor at the drawbar over a given distance, the pull being exerted horizontally and in the vertical plane containing the longitudinal axis of the four-wheel tractor is called what?
• Which set of hazards should you be aware of when operating a tractor near ditches or rough terrain?
• Which term refers to the assembly that transmits power from the engine to the driving wheel and rotary tiller?
• Describe safe practice to adjust PTO shaft length.
• Which term describes a self-propelled, wheeled vehicle having two axles designed to carry, pull or propel agricultural implements and machines?
• What term describes a special type of walking-type agricultural tractor with a tilling wheel and a flotation structure designed for deep hard pan, muddy, and waterlogged fields?
• The mass of fuel consumed per unit of work is called what?
• Which of the following best describes the role of ROPS on a tractor?
• Which system is a belt, pulleys, chain, sprockets, and gears that transmits power from the engine to the driving wheels or cage?
• What steps are recommended to start a tractor in very cold weather?
• How would you develop a preventive maintenance schedule for a tractor used for row-crop cultivation and for a loader operation?
• For maximum drawbar power with engine power up to 65 kW, the coefficient is which value?
• Loader maintenance checks — which items should be included in a preventive maintenance checklist?
• During maintenance safety, which practice is essential for energy isolation?
• Which term describes the total height of the lower hitch above the ground when using the full lift-rod adjustment and movement range?
• Which statement about towing a stuck tractor is correct?
• Which component connects the implement to the tractor at its upper link and two lower links?
• Which term describes the ratio of the difference between the speed of a pulley or belt and wheels or track with load to the speed without load?
• Differentiate between synchronized gear transmissions and powershift transmissions, including their advantages and limitations.
• What is SCR/DPF and how do modern tractors meet EPA Tier emissions; what maintenance is required?
• Which of the following is a valid maximum drawbar power coefficient for engines at or below 65 kW?
• Which term refers to the articulated connection between the upper link and the implement?
• Perpendicular distance between the ground and the lowest point of the four-wheel tractor is what?
• What mechanism allows power to be transmitted from the prime mover to the rotary tiller?
• Which description best captures the signs of a clogged fuel filter and how it can affect engine performance?
• What term refers to the distance between the shoulders of the lower hitch pins, against which the sides of the lower link ball joints abut?
• Which alias is commonly used for WTAT?
• Which term describes four-wheel tractors that can receive tractive power from the rear axle only?
• What precautions should be followed when charging a tractor battery?
• The units of the maximum drawbar power coefficient for drawbar power above 65 kW are?
• Which term denotes the articulated connection between the upper link and the tractor?
• Power measured at the PTO shaft.
• What safety feature on tractors is designed to protect the operator in case of a rollover?
• What is the purpose of the PTO shaft on a tractor?
• What type of WTAT is equipped with rotary tiller which cuts, breaks up, mixes the soil and/or plant residues, and removes/destroys weeds?
• What is the total weight of the machine excluding ballast and implements when the fuel tank is filled to 80% capacity and normal cooling water and lubricating oil are present, with specified wheels?
• What term describes the radius of the smallest circle described by the outermost point of the tractor during steering?
• Which distance is measured between two vertical planes parallel to the median plane, touching the outer-most point of the WTAT on its sides, with wheels set for minimum track?
• What term describes the distance between the two vertical planes at right angles to the median plane of the four-wheel tractor and touching its front and rear extremities?
• What is the purpose of a grounding strap on trailer connections and how do you troubleshoot poor electrical connections?