100+ Free ITI Mechanic Tractor (AITT Theory) Practice Questions

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Sample ITI Mechanic Tractor (AITT Theory) Practice Questions

Try these sample questions to test your ITI Mechanic Tractor (AITT Theory) exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which marking tool is used to mark the exact centre of a hole before drilling?

A.Centre punch

B.Scriber

C.Flat chisel

D.Try square

Explanation: A centre punch makes a small conical indentation that guides the drill point and prevents wandering at the start of drilling. Scribers draw lines, chisels cut metal, and try squares check squareness rather than locate hole centres.

2Prussian blue is commonly used in the workshop for which purpose?

A.Lubricating drill bits

B.Cooling a heated chisel

C.Showing high spots during surface fitting

D.Cleaning carburettor jets

Explanation: A thin film of Prussian blue or similar marking compound transfers from one surface to another, revealing high spots so the mechanic can scrape or file for a better fit. It is a marking and inspection aid, not a lubricant, coolant, or cleaner.

3Which hammer face is preferred for general automotive fitting work without marring soft surfaces as badly as a hard steel face?

A.Ball-peen hammer only

B.Soft-faced mallet or copper/hide face where appropriate

C.Sledge hammer

D.Pick hammer

Explanation: Soft-faced mallets with rubber, hide, copper, or plastic faces protect finished surfaces and assemblies during fitting. Ball-peen hammers suit riveting and striking punches; sledge and pick hammers are too aggressive for delicate fitting.

4While grinding a chisel on a pedestal grinder, which safety practice is essential?

A.Remove the tool rest so the chisel can float freely

B.Grind on the side of a cracked wheel for a sharper edge

C.Hold the chisel with oily rags for a better grip

D.Wear eye protection and keep the tool rest close to the wheel

Explanation: Eye protection is mandatory, and a closely set tool rest reduces the chance of the workpiece being dragged into the wheel. Cracked wheels must be discarded, oily rags are a fire and slip hazard, and removing the rest is unsafe.

5A hacksaw blade with finer teeth per inch is generally chosen when cutting:

A.Thick soft mild-steel bar only

B.Wood exclusively

C.Rubber hoses

D.Thin-walled tubing or harder thin sections

Explanation: Finer teeth-per-inch blades put more teeth in contact with thin or hard material, reducing tooth breakage and giving a cleaner cut. Coarse blades suit thicker soft stock. Hacksaws are for metal, not primary wood or rubber cutting.

6On a file, 'second cut' refers to:

A.Using the file twice on the same face

B.A medium tooth coarseness grade between bastard and smooth

C.A file that has been resharpened once

D.The reverse stroke only

Explanation: File grades such as rough, bastard, second cut, and smooth describe tooth coarseness. Second cut is a medium grade widely used for general fitting after rough stock removal and before finishing with a smooth file.

7When drilling a blind hole on a bench drill, what is the main risk if feed is not controlled near the bottom?

A.The drill may break or dig in as it bottoms out

B.The drill will always weld to the chuck

C.The motor voltage will automatically rise

D.Coolant will freeze in the flutes

Explanation: In a blind hole the tip suddenly meets solid metal; uncontrolled feed can jam the drill, break the bit, or damage the workpiece. Proper depth control, pecking, and correct speed and feed reduce this risk.

8Which tool is specifically designed to remove a broken stud that still has an accessible remnant?

A.Circlip pliers

B.Feeler gauge

C.Screw extractor (easy-out)

D.Dial indicator

Explanation: Screw extractors are hardened tapered or spiral tools driven into a drilled hole in the broken stud to unscrew it. Circlip pliers remove retaining rings; feeler gauges measure gaps; dial indicators measure runout or displacement.

9An air impact wrench is most appropriately used for:

A.Rapidly removing and installing wheel lug nuts and similar fasteners

B.Final torque of critical cylinder-head bolts without a torque wrench

C.Measuring valve spring tension

D.Checking tyre ply rating

Explanation: Impact wrenches speed removal and installation of fasteners such as wheel nuts. Final critical torques still need a calibrated torque wrench to manufacturer specifications. Spring testers and tyre markings serve other purposes.

10A tin snip is the correct hand tool for:

A.Torquing injector lines

B.Measuring bore ovality

C.Cutting thin sheet metal

D.Testing battery specific gravity

Explanation: Tin snips shear thin sheet metal for fabrication and repair jobs covered in the Mechanic Tractor workshop syllabus. Injector lines need proper wrenches, bore ovality needs micrometers or bore gauges, and battery specific gravity is checked with a hydrometer.

About the ITI Mechanic Tractor (AITT Theory) Exam

Mechanic Tractor is a one-year engineering CTS trade delivered through ITIs. Trainees learn workshop fitting and measurement, auto electrical/electronics, welding and hydraulics, then overhaul tractor diesel engines, cooling and lubrication, intake/exhaust, fuel injection, clutch and gearbox, differential and PTO, steering, wheels/tyres, brakes, power tiller and farm implements, plus charging/starting systems. AITT theory CBT plus practical assessment lead to the NTC.

Assessment

Summative AITT under DGT/NCVT for the one-year CTS Mechanic Tractor trade (NSQF Level 3.5; 1200 notional hours + 150 hours OJT/group project). Engineering-trade CBT: 75 MCQs / 150 marks in 2 hours — Trade Theory 38 + Workshop Calculation & Science 6 + Engineering Drawing 6 (100 marks) and Employability Skills 25 (50 marks). Trade Practical is assessed separately; formative (internal) assessment is maintained by the ITI. Successful candidates receive the National Trade Certificate (NTC).

Time Limit

2 hours for CBT (AITT July 2026 DGT guidelines). Practical duration follows the DGT/State Directorate schedule for the sitting.

Passing Score

33% minimum in Trade Theory and in Employability Skills; 60% minimum in Trade Practical and Formative Assessment (DGT CTS pass regulation / AITT July 2026 guidelines). No grace marks.

Exam Fee

CBT fee ₹213 per trainee for AITT July 2026 mains (plus applicable payment-gateway charges). Practical and other institute fees are notified separately on SIDH — confirm with your ITI. (Directorate General of Training (DGT) / National Council for Vocational Training (NCVT))

ITI Mechanic Tractor (AITT Theory) Exam Content Outline

11%

Workshop Practices, Tools & Safety

Marking, hand/power tools, cutting, drilling, fitting and workshop safety.

Precision Measurement & Fasteners

Precision gauges, limits/fits, fasteners, locking devices, gaskets and seals.

10%

Basic Electrical, Electronics & Battery

Circuits, multimeters, semiconductors, batteries and charging basics.

Welding, NDT & Hydraulics

Gas welding, NDT methods, Pascal's law and tractor hydraulic components.

15%

Tractor Construction & Diesel Engine

Major assemblies, CI engine cycles, valves, pistons, crank/cam and overhaul.

10%

Cooling, Lubrication, Intake & Exhaust

Cooling and oil systems, air cleaners, turbocharging, mufflers and EGR.

Fuel Feed & Injection Systems

Feed pumps, filters, injection pumps, injectors, governors, CRDI and bleeding.

Clutch, Gearbox, Differential & PTO

Clutch, gearbox, final drive, differential lock and PTO service.

Steering, Wheels, Tyres & Brakes

Mechanical/hydraulic steering, tyres/rims, drum/disc brakes and bleeding.

Power Tiller, Implements & Field Operation

Power tiller, hitching, ploughs, harrows, drills, trailers and hydraulic lift.

Charging, Starting & Tractor Electrical

Alternator, starter, lighting circuits and common electrical faults.

Workshop Calculation, Science & Engineering Drawing

WSC numeracy/science and orthographic/isometric drawing for CBT.

How to Pass the ITI Mechanic Tractor (AITT Theory) Exam

What You Need to Know

Passing score: 33% minimum in Trade Theory and in Employability Skills; 60% minimum in Trade Practical and Formative Assessment (DGT CTS pass regulation / AITT July 2026 guidelines). No grace marks.
Assessment: Summative AITT under DGT/NCVT for the one-year CTS Mechanic Tractor trade (NSQF Level 3.5; 1200 notional hours + 150 hours OJT/group project). Engineering-trade CBT: 75 MCQs / 150 marks in 2 hours — Trade Theory 38 + Workshop Calculation & Science 6 + Engineering Drawing 6 (100 marks) and Employability Skills 25 (50 marks). Trade Practical is assessed separately; formative (internal) assessment is maintained by the ITI. Successful candidates receive the National Trade Certificate (NTC).
Time limit: 2 hours for CBT (AITT July 2026 DGT guidelines). Practical duration follows the DGT/State Directorate schedule for the sitting.
Exam fee: CBT fee ₹213 per trainee for AITT July 2026 mains (plus applicable payment-gateway charges). Practical and other institute fees are notified separately on SIDH — confirm with your ITI.

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

ITI Mechanic Tractor (AITT Theory) Study Tips from Top Performers

1Map revision to the CTS learning outcomes: engine overhaul, fuel injection, clutch/gearbox, differential/PTO, steering, brakes and implements carry heavy professional-knowledge weight in Mechanic Tractor.

2Practice CBT-style timing with mixed sets that include a few Workshop Calculation & Science and Engineering Drawing items, since those 12 questions sit inside the Trade Theory block.

3Pair theory with workshop practice — valve timing, bleeding fuel lines, clutch free play, tyre pressures and three-point hitching — because formative and practical assessments still require 60%.

Frequently Asked Questions

What is the ITI/NCVT Mechanic Tractor AITT theory exam?

It is the All India Trade Test theory CBT administered by DGT for trainees completing the one-year CTS Mechanic Tractor course at ITIs. Engineering-trade CBT covers Trade Theory (with Workshop Calculation & Science and Engineering Drawing) plus Employability Skills; a separate Trade Practical exam is also required for the National Trade Certificate.

How many questions and how much time are in the AITT CBT?

Per DGT AITT July 2026 guidelines, the CBT is 75 multiple-choice questions for 150 marks in two hours: 50 questions (100 marks) in the Trade Theory block (38 trade theory + 6 WSC + 6 engineering drawing) and 25 Employability Skills questions (50 marks).

What are the pass marks for Mechanic Tractor AITT?

DGT requires at least 33% in Trade Theory and 33% in Employability Skills, and at least 60% in Trade Practical and Formative Assessment. There are no grace marks. Confirm any session-specific notifications on the DGT exam corner or SIDH.

What is the CBT examination fee?

For AITT July 2026 mains, DGT notified a CBT fee of ₹213 per trainee (plus payment-gateway charges), payable online via SIDH. Practical fees are separate — ask your ITI for the exact amount for your sitting.