HK PVOC Grade 2 Part A case studies
HK PVOC Grade 2 Part A · Put your knowledge to work in context.
The Hong Kong PVOC Grade 2 Part A examination is a written assessment for technicians and inspectors working in vehicle examination and certification under Hong Kong's vehicle examination regime. It is aimed at candidates who already have practical workshop or inspection-hall experience and now need to demonstrate that they can apply the statutory framework, inspection technique and professional standards in a structured written test. The HK PVOC Grade 2 Part A case studies are 5 cases and about 4,017 words.
1Modified Light Goods Vehicle With Suspension Spacers and Oversized Tyres
At a Hong Kong vehicle examination centre, a 2018 light goods vehicle with a gross vehicle weight of 5.5 tonnes is presented for its annual examination. The examiner notes that the front and rear coil-spring seats carry 50 mm aluminium spacer blocks, the original 195/70R15 tyres have been replaced by 215/75R16 tyres on wheels with a 15 mm larger positive offset, and the front brake flexible hoses are visibly stretched at full lock.
865 words, about 4 min2Diesel Public Light Bus With High Smoke Opacity and Suspected DPF Tampering
A 2014 diesel public light bus is presented for its annual examination. During the free-acceleration smoke test, the opacimeter records 62, 59 and 61 HSU; the test bench plate states that the applicable limit for the vehicle is 50 HSU.
833 words, about 4 min3School Bus With Air Brake Leak, ABS Warning and Cracked Disc
A 2016 16-seat school bus is presented for its annual examination. With the engine off and the air system charged to 7.0 bar, the pressure gauge falls to 5.6 bar in 2 minutes.
778 words, about 4 min4Motorcycle With Aftermarket Exhaust and Loose Baffle
A 2019 250 cc motorcycle is presented for its annual examination after the owner fitted a stainless-steel aftermarket exhaust with a removable baffle. During the stationary noise test, the meter reads 94 dB(A) at 0.5 m and 45 degrees from the outlet, with the engine at the specified speed; the approved stationary noise limit shown on the examination sheet for the model is 82 dB(A).
782 words, about 4 min5Gift Offer, Fuel Leak and Pressure to Pass a Taxi
A vehicle examiner is inspecting a taxi at a private workshop that also prepares vehicles for examination. The workshop owner, who has sent many vehicles to the centre, places a HK$500 coffee voucher on the examiner's clipboard and says "just a small token; the taxi only has a small crack in the brake disc and a slight fuel smell." The examiner also notices a pool of petrol under the vehicle and a jerry can in the passenger footwell.
759 words, about 4 min