ITI/NCVT Painter General (AITT Theory) case studies
ITI/NCVT Painter General (AITT Theory) · Put your knowledge to work in context.
The ITI/NCVT Painter General All India Trade Test (AITT) is the theory examination sat by trainees completing the Painter General trade under the Craftsman Training Scheme. It tests trade theory - the knowledge behind surface preparation, paint composition, application, spray work, decorative finishes, fault diagnosis, colour matching, protective coatings and estimation - rather than workshop skill, which is assessed separately in practical and allied trade tests. The ITI/NCVT Painter General (AITT Theory) case studies are 5 cases and about 5,014 words.
1Two Guns, One Small Compressor: Pressure Collapse, Orange Peel and Solvent Vapour
Two painters in a small jobbing shop are refinishing a batch of 60 steel almirahs. Both guns are fed from one portable compressor: 2 HP single-phase motor, 50-litre receiver, rated free air delivery 200 L/min at 7 bar.
1,085 words, about 5 min2Quoting a School Exterior Repaint: Areas, Litres and a Lump Sum
A contractor must quote for repainting the external cement-plaster walls of a single-storey primary school. The building is 24 m long and 12 m wide.
913 words, about 5 min3Epoxy Self-Levelling on a Damp Slab over Old Alkyd: Blisters at 36 Hours
A 96 m² workshop floor (12 m × 8 m) in a coastal town was previously sealed with a solvent-borne alkyd gloss. The floor was swept, degreased with a water-based alkaline detergent, hosed down and left to dry overnight.
1,007 words, about 5 min4Sa 2½ Blasting and Zinc Silicate Primer: A Dew Point and Salt Contamination Decision
A fabrication yard is blasting and priming the internal surfaces of new steel box girders for a highway bridge. The specification calls for blast cleaning to Sa 2½ and a zinc-rich primer, with the coating system chosen for corrosivity category C4.
991 words, about 5 min5Metameric Orange: A Rejected Batch of Machine Guards
A paint shop must supply 40 identical welded steel machine guards in 'safety orange' to match a customer's approved master panel. The shop has no spectrophotometer of its own but can borrow a portable one from a neighbouring laboratory once.
1,018 words, about 5 min