RBSE SS Voc Automotive case studies
RBSE SS Voc Automotive · Put your knowledge to work in context.
The RBSE Senior Secondary Vocational Automotive credential is a Class 12 vocational qualification awarded under the Rajasthan Board of Secondary Education (RBSE) framework. It is designed for students who want a school-level qualification with a strong practical trade focus rather than a purely academic science stream, and it suits learners aiming for workshop jobs, dealership service roles, apprenticeship entry, or further technical study in automobile servicing. The RBSE SS Voc Automotive case studies are 5 cases and about 3,419 words.
1Diesel Overhaul: Rings Only or Rebore?
A 2016 four-cylinder diesel engine (2.5 L, 182,000 km) is stripped in the workshop after the owner reported blue-white exhaust smoke, hard cold starting and oil consumption of about 1.5 L per 1,000 km. A cylinder leakage test on the warm engine gives 14%, 13%, 15% and 31% on cylinders 1 to 4 respectively, with air clearly heard escaping from the oil filler cap on cylinder 3.
775 words, about 4 min2Automatic Shudder: Converter, Fluid or Overhaul?
A 2017 petrol sedan with a six-speed torque-converter automatic and 96,000 km arrives with a shudder felt through the whole body between 60 and 80 km/h under light, steady throttle, worst when climbing a gentle slope. The shudder disappears when the throttle is released or when the accelerator is pressed hard enough to force a downshift.
683 words, about 3 min3Battery Goes Flat Every Three Days
A 2020 petrol hatchback comes back for the third time in four months with a flat battery after standing for two to three days. The battery is a 60 Ah, 480 CCA unit, already replaced once.
665 words, about 3 min4Vibration at 100 km/h After New Tyres
A 2019 four-wheel-drive pickup with 55,000 km has a vibration felt through the floor and steering wheel between 95 and 105 km/h; it fades below 90 km/h and above 110 km/h. Four new tyres were fitted 2,000 km ago and have been balanced twice on a static, non-road-force balancer, which removed none of the complaint.
640 words, about 3 min5Mottled Metallic Silver on a Repaired Quarter Panel
A metallic silver rear quarter panel on a 2018 hatchback is repaired after a dent; the painter fills, primes and blocks the panel, then sprays base coat over the quarter panel only. Shop conditions are a 34 degrees Celsius booth, a fast reducer, a 1.4 mm nozzle gun held about 25 cm from the surface at 3.0 bar inlet pressure.
656 words, about 3 min