Back to Mechanic Diesel Info & Full CBT38 Exam Qs (76 Marks) • 12 Practice MCQsDGT Syllabus PDF Report Wrong Info

Mechanic Diesel — Trade Theory NCVT Mock Test

Q: What topics should I focus on for Mechanic Diesel Trade Theory?

Core Mechanic Diesel syllabus modules: 4-stroke CI diesel cycle, firing order & compression ratio; Piston rings, crankshaft, camshaft & valve clearance tuning; Fuel feed pumps, FIP governors, CRDI injectors & EGR; Lubrication pumps, thermostat valves, turbochargers & OBD scanners.

Q: How do I practise the other CBT subjects for Mechanic Diesel?

Use the subject switcher tabs directly above the test simulator to jump between Trade Theory, Workshop Calculation & Science, Engineering Drawing, Employability Skills, or open the Full CBT Mock Test on the Mechanic Diesel trade page.

Trade Theory carries the highest marks weightage in every NCVT AITT Computer-Based Test—38 questions (76 marks) for Engineering trades and 50 questions (100 marks) for Non-Engineering trades. Practise verified objective questions tailored for Mechanic Diesel trainees (1 Year • Automotive • Engineering).

Switch Mechanic Diesel Subject:Trade Theory Workshop Calculation & Science Engineering Drawing Employability Skills Combined Full CBT

NIMI / DGT CBT Simulator

Mechanic Diesel — Trade Theory Mock Test

Minimum 33% in CBT Professional Knowledge component • Zero Negative Marking

Questions

Max Marks

Time Limit

18m

Neg. Marking

NONE

Choose Test Mode

Shows the right answer and NIMI technical explanation immediately after each question.

Trade Info:Engineering (1 Year • Level 3.5)•Open Mechanic Diesel Full Page

Important Trade Theory Topics Covered

All Trades for Theory →

4-stroke CI diesel cycle, firing order & compression ratio

Piston rings, crankshaft, camshaft & valve clearance tuning

Fuel feed pumps, FIP governors, CRDI injectors & EGR

Lubrication pumps, thermostat valves, turbochargers & OBD scanners

ITI Mechanic Diesel trainee in blue boiler suit and safety glasses using a spanner on a multi-cylinder diesel engine block mounted on an overhaul stand near a BOSCH fuel injection calibration bench and cutaway turbochargers

Automotive & EV Lab

Mechanic Diesel Engine Overhaul & FIP Calibration Shop

Stripping and reassembling inline multi-cylinder CI diesel engines on rotary stands alongside fuel-injection pump test benches and turbocharger cutaways.

Content Verification & Error Reporting

Notice an incorrect MCQ, option, or explanation in Mechanic Diesel Trade Theory? Send the Question ID directly on WhatsApp (+917585821444).

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Frequently Asked Questions

In the official DGT Computer-Based Test for Mechanic Diesel, Trade Theory accounts for 38 Multiple Choice Questions carrying 76 marks (2 marks per correct answer, no negative marking).

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