Saudi Heavy Vehicle Theory case studies
Saudi Heavy Vehicle Theory · Put your knowledge to work in context.
The Saudi Heavy Vehicle Theory Test is the knowledge component of the licensing process for drivers who want to operate heavy vehicles on Saudi roads - trucks, tankers, trailers and other large commercial units. It is aimed at new heavy-vehicle candidates, drivers upgrading from a light-vehicle licence, and experienced drivers who need to convert a foreign licence or reinstate a licence after suspension. The Saudi Heavy Vehicle Theory case studies are 5 cases and about 2,913 words.
1Low air pressure on a 6% descent
At 14:20 a driver takes a 3-axle tipper, plated at 32,000 kg and loaded with 24 tonnes of aggregate, onto a mountain road south of Taif. The descent is 6 km long at an average 6% grade, posted 60 km/h for heavy vehicles.
539 words, about 3 min2Tri-axle overload and steel coil securement
A 6x4 tractor with a tri-axle flatbed arrives at a weighbridge near Dammam. The plate shows a gross combination mass of 40,000 kg; the trailer bogie is rated at 24,000 kg and the drive axle at 13,000 kg.
602 words, about 3 min3Night driving with sleep debt and a sedating antihistamine
A refrigerated semi-trailer is due to unload in Jeddah at 06:00. The driver left Riyadh at 18:00 after sleeping 3.5 hours in the previous 24, and took a sedating antihistamine tablet for an allergic reaction at 22:00.
583 words, about 3 min4Defects found during the depot walk-around
At 05:10 in a Riyadh depot, a driver starts the walk-around inspection of a 6x4 tractor unit before hooking up a loaded trailer. He finds: the near-side steer tyre has a bulge the size of a fist on the sidewall and a 40 mm cut; a soapy-water test on a rear brake chamber shows bubbles at the diaphragm joint; the ABS warning lamp stays on after the self-test; and air pressure builds from 0 to cut-out in 6 minutes, while the workshop spec says within 4 minutes.
598 words, about 3 min5Dust storm at 80 km/h with 80 m visibility
At 15:00 a driver is on a two-lane highway 80 km east of Riyadh with a loaded 40-tonne semi-trailer, cruising at 80 km/h in the right lane. A dust storm front crosses the road: visibility falls from about 500 m to roughly 80 m in less than 300 m.
591 words, about 3 min