310T Practice

Study by block. Every question is tagged to the Red Seal blueprint and cited from authoritative sources.

Full blueprint-weighted mock exam

135 questions · 4 hours · 70% pass · questions distributed across all 11 blocks at real exam weightings

Start Mock Exam →

Or practice by block

Focus on a specific weak area. Each block session pulls questions only from that block.

Block A

Common Occupational Skills

Safety, tools, measurement, service info, WHMIS, OHSA

5.9% of exam · ~8 Qs 108 in bank

Block B

Engines and Supporting Systems

Diesel engines, HPCR fuel, emissions (DPF/SCR), turbos, cooling

15.6% of exam · ~21 Qs 365 in bank

Block C

Air and Brake Systems

Air supply, foundation brakes, ABS, CVSA stroke, trailer brakes

12.6% of exam · ~17 Qs 333 in bank

Block D

Electrical and Electronic Systems

Batteries, charging, J1939 CAN bus, scan tools, multiplexing

16.3% of exam · ~22 Qs 226 in bank

Block E

Drive Trains

Clutch, manual/AMT/auto transmissions, driveshafts, drive axles

12.6% of exam · ~17 Qs 153 in bank

Block F

Steering, Chassis, Suspension, Tires, Wheels, Hubs

Alignment, suspensions, wheel bearings (TMC RP618), fifth wheel

13.3% of exam · ~18 Qs 157 in bank

Block G

Cabs

Cab mounting, tilt hydraulics, sleeper, cab electrical

3.7% of exam · ~5 Qs 55 in bank

Block H

Trailers

Trailer ABS (J2497 PLC), 7-pin wiring, landing gear, reefers

5.9% of exam · ~8 Qs 83 in bank

Block I

Climate Control Systems

HVAC, R-134a / R-1234yf refrigerants, APUs

5.2% of exam · ~7 Qs 67 in bank

Block J

Hydraulic Systems

Pumps, cylinders, valves, PTOs, hoist systems

5.9% of exam · ~8 Qs 72 in bank

Block K

Hybrid and Electric Vehicles

HV safety, Li-ion batteries, regen braking, charging

3% of exam · ~4 Qs 61 in bank