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Free Practice Questions for Gostekhnadzor Category C — Wheeled Tractors 25.7–110.3 kW

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Key Facts: Gostekhnadzor Category C — Wheeled Tractors 25.7–110.3 kW Exam

17 years

Minimum age for Category C

Decree No. 796, para 11

≥75%

Theory pass mark (6 of 8 on an 8-question ticket)

Decree No. 796, para 22(2)

7 days

Minimum wait before a theory retake

Decree No. 796, para 19

3 months

Validity of a passed theory result

Decree No. 796, para 20

500 / 2,000 RUB

State duty for the licence (paper / plastic)

Tax Code Art. 333.33(1)(43)

10 years

Validity of the tractor-driver licence

Decree No. 796, para 34

Gostekhnadzor Category C covers wheeled machines of 25.7–110.3 kW, such as MTZ-80/82 tractors. The theory exam uses 8-question Ministry of Agriculture tickets; at least 75% must be correct. Minimum age 17. This bank is an independent English-language study adaptation.

Sample Gostekhnadzor Category C — Wheeled Tractors 25.7–110.3 kW Practice Questions

Try these sample questions to review concepts for the Gostekhnadzor Category C — Wheeled Tractors 25.7–110.3 kW exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the safety purpose of the neutral-start interlock switch (выключатель блокировки запуска) fitted to the transmission of Category C tractors such as the Belarus MTZ-80/82?
A.To stop the engine starting while the hydraulic distributor is engaged
B.To stop the starter working while a gear is engaged
C.To apply the parking brake automatically whenever the engine stops
D.To disconnect the PTO when the operator leaves the seat
Explanation: The neutral-start interlock switch is wired into the starter electrical circuit to ensure that electric starter current reaches the solenoid only when the gearbox range selector is in neutral. This prevents the tractor from lurching forward or backward unexpectedly upon engine cranking, which could crush bystanders or cause runovers.
2When manually starting a starting auxiliary engine (пусковой двигатель ПД-10 / 'пускач') with a pull rope, which safety rule must be strictly observed?
A.The operator must stand directly in front of the front tractor wheel
B.The decompression lever must remain in the working position during the initial pull
C.The starting rope must never be wound around the operator's hand or wrist
D.The ignition switch must be turned to the magneto grounding position
Explanation: When using a starting cord or rope on the starter pulley of a starting engine (such as the PD-10 on legacy tractors), the rope must only be gripped with the fingers around the handle or end knot. Wrapping the rope around the palm or wrist can cause severe hand fractures or dislocated joints if the two-stroke engine experiences a backfire or kickback.
3Under what condition regarding the steering mechanism is the operation of a wheeled tractor strictly prohibited?
A.If the front axle kingpins have recently been greased
B.If the steering wheel diameter is more than 400 mm
C.If the steering cylinder stroke is the same in both directions
D.If split pins are missing from steering joints or tie rods
Explanation: Missing or substituted split pins on steering joints can let a tie rod come apart, causing total loss of steering. The official Category C tickets prohibit operating a self-propelled machine with a loose steering column, with a faulty power steering unit, or with total steering play above the manufacturer's limit.
4What is the operational rule when operating a wheeled tractor equipped with hydrostatic power steering (ГОРУ) if hydraulic pump pressure fails?
A.It is prohibited, because steering becomes heavy and imprecise
B.Field work may continue at normal speed using the manual mode
C.Towing trailers is allowed if the speed stays below 20 km/h
D.The driver must run the engine at full speed to restore flow
Explanation: The official Category C tickets prohibit operating a self-propelled machine with a faulty power steering unit. Without hydraulic assistance steering effort rises sharply and precise control is lost.
5Why must the left and right brake pedals of a Category C wheeled tractor be mechanically locked together with the locking bar (соединительная планка) during transport driving?
A.To increase braking force by engaging the front axle drive shaft
B.So both rear wheels brake equally and the tractor does not swerve
C.To stop the differential lock disengaging on its own on the road
D.To let the parking brake catch latch onto both pedals together
Explanation: Agricultural tractors have independent left and right service brake pedals to assist tight turning during field operations. During transport driving on roads, depressing an unlocked single pedal at high speed will abruptly stop only one wheel, causing an immediate uncontrollable spin, yaw, or rollover. Locking the pedals guarantees balanced deceleration on both wheels.
6Under what specific condition is the operator permitted to unlock and use the brake pedals independently on a wheeled tractor?
A.When driving down steep public roads with a loaded trailer
B.When travelling on public roads at speeds under 30 km/h
C.Only for low-speed turns in the field on soft ground
D.Whenever the differential lock is engaged in deep mud
Explanation: Independent pedal braking (раздельное торможение) is strictly intended for low-speed agricultural maneuvering in the field (e.g., turning at headlands). By braking the inside rear wheel, the tractor pivots sharply around it. Unlocked pedal use at road speeds is forbidden due to extreme yaw and tipping hazard.
7What hazard arises if there is a significant difference in the free travel (свободный ход) between the left and right brake pedals when they are interlocked for transport?
A.One brake grips first and pulls the tractor to that side
B.The hydraulic fluid boils in the master cylinder reservoir
C.The gearbox shifts from road range into working range
D.The trailer air valve fails to release compressed air
Explanation: If the free travel of the left and right pedals is adjusted unevenly, depressing the locked pedals causes the brake with smaller free play to clamp its drum or disc first. This generates asymmetrical braking torque, violently pulling the tractor toward the side that grips first and risking roadway departure or overturning.
8What is the operational function of the engine decompression mechanism (декомпрессионный механизм) found on older diesel tractor models?
A.It raises the fuel pressure at the injectors for cold starts
B.It holds the valves open so the engine turns without compression
C.It bleeds air bubbles out of the fuel injection pump lines
D.It releases excess turbo boost pressure during gear changes
Explanation: The decompression mechanism mechanically lifts the engine valves (usually exhaust valves) off their seats. This relieves cylinder compression, allowing the electric starter or auxiliary starting engine to crank the crankshaft effortlessly to establish oil pressure and rotational momentum before compression is re-engaged.
9Which of the following engine starting practices is strictly prohibited under Gostekhnadzor fire safety and machine operation rules?
A.Pressing the clutch pedal while the starter is turning the engine
B.Checking the engine oil level on the dipstick before starting
C.Using an approved electric heater to warm the engine coolant
D.Heating the oil sump, fuel tank or filters with an open flame
Explanation: The official Category C tickets prohibit using an open flame to heat the oil in the engine sump. Open flames can ignite fuel and oil vapours and cause a fire.
10Why is it strictly prohibited for an operator to start the tractor engine while standing on the ground outside the cab by bypassing the starter terminals?
A.The tractor may be in gear and run the person over
B.The starter current discharges through the rear linkage
C.The steering cylinder reverses and damages the kingpins
D.The governor lets the engine race above its maximum speed
Explanation: The official Category C tickets prohibit starting the engine by shorting the starter contacts while standing outside the machine, because the engine can start with a gear engaged and the machine can run the person over. Starting from anywhere other than the cab is also prohibited.

About the Gostekhnadzor Category C — Wheeled Tractors 25.7–110.3 kW Exam

Category C covers wheeled machines with an engine power from 25.7 to 110.3 kW (Federal Law No. 297-FZ, Art. 15), which includes most medium wheeled tractors such as the MTZ-80/82. The right to drive them is confirmed by a tractor-driver licence with Category C issued by the regional Gostekhnadzor body after theory and practical examinations under Government Decree No. 796; the minimum age is 17. The official Category C tickets cover technical condition and operating bans, safe operation, trailers and towing, maintenance safety and first aid. OpenExamPrep's bank is an independent English-language MCQ study adaptation; it is not an official translation and does not replace accredited training or the practical examination.

Exam sponsor: State Technical Supervision Inspectorate (Гостехнадзор / Минсельхоз России). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Official format: a theory examination on the Ministry of Agriculture-approved tickets for the category, taken orally or on an examination terminal at the regional Gostekhnadzor body, with remote participation available on request (Decree No. 796, paras 22 and 22(1)); candidates without a Russian driving licence also take a Road Traffic Rules theory section (paras 18, 29(1)). It is followed by a two-stage practical examination: manoeuvres on a closed site or tractor-drome, then driving on a special route in real operating conditions (para 23). Passing requires at least 75% correct answers and at least 75% of manoeuvres performed correctly (para 22(2)). OpenExamPrep's bank is an independent English-language MCQ study adaptation based on the official Russian-language tickets and the laws they cite; it is not an official translation, does not reproduce the official tickets, and cannot replace accredited training or the practical examination.

Time Limit

Set by the examining Gostekhnadzor inspector ('in the allotted time'); Decree No. 796 sets no fixed national time limit

Passing Score

At least 75% of the ticket questions answered correctly within the allotted time (Decree No. 796, para 22(2)) — at least 6 of 8 on an 8-question ticket

Exam / Certification Fees

No fee is charged for sitting the examinations; issuing the tractor-driver licence (УТМ) carries a state duty of 500 RUB (paper) or 2,000 RUB (plastic) under Tax Code Art. 333.33(1)(43).

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

17% of this study set

Tractor controls, steering and brakes

Start interlocks, steering defects, power steering, brake pedal locking, instruments, cab doors and noise limits.

17% of this study set

Power take-off safety

PTO guards and caps, cardan shaft guarding, shear bolts, overrunning clutches and safe maintenance.

17% of this study set

Hydraulics and three-point linkage

Distributor positions, float, transport locks, leak detection, quick couplers and supporting raised implements.

16% of this study set

Trailers, coupling, towing and air brakes

Hitch pins and safety chains, unbraked trailer limits, air brake operation, towing methods and speeds.

14% of this study set

Field work, slopes and rollover protection

ROPS and seat belts, slopes, wheel track, differential locks, power lines and forced stops on slopes.

5% of this study set

Public roads

Slow-moving vehicle sign, lighting, railway crossings and driver distraction.

14% of this study set

Occupational safety and first aid

Maintenance safety, environmental rules, electrical work, entanglement, bleeding, fractures and burns.

Preparing for the Gostekhnadzor Category C — Wheeled Tractors 25.7–110.3 kW Exam

What You Need to Know

  • Passing score: At least 75% of the ticket questions answered correctly within the allotted time (Decree No. 796, para 22(2)) — at least 6 of 8 on an 8-question ticket
  • Assessment: Official format: a theory examination on the Ministry of Agriculture-approved tickets for the category, taken orally or on an examination terminal at the regional Gostekhnadzor body, with remote participation available on request (Decree No. 796, paras 22 and 22(1)); candidates without a Russian driving licence also take a Road Traffic Rules theory section (paras 18, 29(1)). It is followed by a two-stage practical examination: manoeuvres on a closed site or tractor-drome, then driving on a special route in real operating conditions (para 23). Passing requires at least 75% correct answers and at least 75% of manoeuvres performed correctly (para 22(2)). OpenExamPrep's bank is an independent English-language MCQ study adaptation based on the official Russian-language tickets and the laws they cite; it is not an official translation, does not reproduce the official tickets, and cannot replace accredited training or the practical examination.
  • Time limit: Set by the examining Gostekhnadzor inspector ('in the allotted time'); Decree No. 796 sets no fixed national time limit
  • Exam / certification fees: No fee is charged for sitting the examinations; issuing the tractor-driver licence (УТМ) carries a state duty of 500 RUB (paper) or 2,000 RUB (plastic) under Tax Code Art. 333.33(1)(43). Official sources

Using Our Practice Resources

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Gostekhnadzor Category C — Wheeled Tractors 25.7–110.3 kW: Suggested Study Strategy

1Learn the official limits: braking deviation no more than 0.5 m, noise no more than 85 dBA at 7 m, drive-wheel lugs at least 5 mm and steered-wheel lugs at least 2 mm.
2Know the towing rules: always secure the hitch pin with a split pin, never use elastic material as a tow, tow a faulty machine no faster than 10 km/h, and do not work with an unbraked trailer heavier than half the tractor.
3Memorise the PTO rules: guards and caps always fitted, never step over a running shaft, and stop the engine before clearing or greasing.
4Review leaving the machine: stop the engine, apply the hand brake and parking lock, remove the key and lock the cab.
5Revise seat-belt rules: wear the belt in all conditions and replace the whole assembly if it is damaged.

Frequently Asked Questions

Which tractors are Category C?

Wheeled machines with an engine power from 25.7 to 110.3 kW (Federal Law No. 297-FZ, Article 15). Smaller machines are Category B, wheeled machines over 110.3 kW are Category D, and tracked machines over 25.7 kW are Category E.

How is the Category C theory examination run and scored?

The theory examination uses the Ministry of Agriculture-approved tickets for the category (the ticket books use 8-question tickets) and is taken orally or on an examination terminal at the regional Gostekhnadzor body; remote participation is available on request. Under Decree No. 796, para 22(2), the result is a pass if at least 75% of the ticket questions are answered correctly within the allotted time — at least 6 of 8. No fixed national time limit is set in the Decree.

Who may sit the Category C examinations?

Under Decree No. 796, para 11, candidates must be at least 17 years, hold a valid medical conclusion on fitness to drive self-propelled machines, and have completed vocational training at an organisation holding a certificate of compliance for training tractor and machine drivers.

What happens after a failed attempt?

A candidate who fails the theory examination is not admitted to the practical examination and may retake the theory no earlier than 7 days later (Decree No. 796, para 19). Theory results remain valid for 3 months (para 20). A failed practical examination may be retaken no earlier than 7 days later; after three consecutive practical failures, the candidate must first complete repeat practical training (para 21).

What does the licence cost?

No fee is charged for sitting the examinations; issuing the tractor-driver licence (УТМ) carries a state duty of 500 RUB (paper) or 2,000 RUB (plastic) under Tax Code Art. 333.33(1)(43). The tractor-driver licence is issued for 10 years (Decree No. 796, para 34).

Is this practice bank an official Gostekhnadzor examination?

No. The official examinations are held in Russian by the regional Gostekhnadzor bodies. OpenExamPrep's bank is an independent English-language MCQ study adaptation based on the official Russian-language tickets and the laws they cite; it is not an official translation, does not reproduce the official tickets, and cannot replace accredited training or the practical examination.