Study structure
Trade-specific study outlines and self-assessment are implemented in our development framework.
In development
Truck and Transport Mechanic study app.
We’re building a dedicated Truck and Transport Mechanic app using the same study framework as our Steamfitter/Pipefitter app.
This app is not available to buy or download yet.
Official references
The app tracks occupational standards and current-exam information separately when the official site publishes a newer standard.
Before release
An internal Android preview has been built. Source review, device testing and question-bank development remain. No release date or final question count has been announced.
Current exam information
135 questions across the trade’s activities.
This is the official exam outline, not the number of practice questions available in this unreleased app.
- A · Common Occupational Skills8 questions
- B · Services, diagnoses and repairs engines and supporting systems21 questions
- C · Services, diagnoses and repairs air systems and brake systems17 questions
- D · Services, diagnoses and repairs electrical and electronic systems22 questions
- E · Services, diagnoses and repairs drive trains17 questions
- F · Services, diagnoses and repairs steering, chassis/frames, suspensions, tires, wheels and hubs18 questions
- G · Services, diagnoses and repairs cabs5 questions
- H · Services, diagnoses and repairs trailers8 questions
- I · Services, diagnoses and repairs climate control systems7 questions
- J · Services, diagnoses and repairs hydraulic systems8 questions
- K · Services, diagnoses and repairs hybrid and electric vehicles (EV)4 questions
Occupational standards for Truck and Transport Mechanic
- Red Seal Occupational Standard (RSOS) (RSOS; current-exam basis)
Some current exams still use a National Occupational Analysis (NOA). A newer RSOS does not automatically replace the standard used for current exams.
Development status updated October 28, 2026. Independent preparation; no affiliation with the official Red Seal Program.