SGI Class 1 License 2 — Questions and Answers
Question 1: What is the maximum gross vehicle weight (GVW) for a Class 1 licensed combination vehicle in Saskatchewan without a special permit?
- 53,500 kg
- 62,500 kg
- 63,500 kg (Correct answer)
- 58,000 kg
Correct answer: 63,500 kg
The maximum GVW for a standard combination vehicle in Saskatchewan is 63,500 kg without a special overweight permit.
Question 2: When performing a pre-trip inspection on air brakes, a driver applies full service brakes and the air pressure drop should not exceed what amount in one minute?
- 4 kPa
- 8 kPa (Correct answer)
- 14 kPa
- 20 kPa
Correct answer: 8 kPa
For a combination vehicle with air brakes, pressure loss must not exceed 8 kPa (about 1 psi) in one minute when brakes are applied.
Question 3: A Class 1 driver notices the low air pressure warning device activates. What should the driver do first?
- Continue driving and build pressure using the engine
- Immediately pull over safely and stop the vehicle (Correct answer)
- Pump the brakes to rebuild pressure
- Switch to spring brakes only
Correct answer: Immediately pull over safely and stop the vehicle
When the low air pressure warning activates, the driver must immediately pull over safely and stop before spring brakes automatically apply.
Question 4: In Saskatchewan, how far in advance must you signal before changing lanes on a highway when operating a commercial combination vehicle?
- 100 m (Correct answer)
- 150 m
- 30 m
- 60 m
Correct answer: 100 m
Drivers must signal at least 100 m in advance before changing lanes on a highway in Saskatchewan.
Question 5: What is 'trailer swing' or 'crack the whip' effect most likely to occur during?
- Gradual acceleration on a straight highway
- Sudden braking or sharp steering at highway speeds (Correct answer)
- Driving at low speeds in a parking lot
- Upshifting on a steep hill
Correct answer: Sudden braking or sharp steering at highway speeds
Trailer swing occurs when sudden braking or sharp steering causes the trailer to push outward and potentially jackknife.
Question 6: Under Saskatchewan hours of service regulations, what is the maximum on-duty time in a 24-hour period for a commercial driver?
- 12 hours
- 14 hours (Correct answer)
- 16 hours
- 18 hours
Correct answer: 14 hours
Federal hours of service rules (adopted by Saskatchewan) limit drivers to 14 hours on-duty time within any 24-hour period.
Question 7: When backing a semi-trailer into a loading dock, which direction does the trailer move when the driver steers left?
- The trailer moves left
- The trailer moves right (Correct answer)
- The trailer moves straight
- The trailer's movement depends on speed
Correct answer: The trailer moves right
When steering left while backing, the cab moves left but the trailer pivots right — the opposite of forward driving.
SGI Class 1 License 2
What is the maximum gross vehicle weight (GVW) for a Class 1 licensed combination vehicle in Saskatchewan without a special permit?