UPMSP Vocational Domestic Electrical Appliances & Repair case studies
UPMSP Vocational Domestic Electrical Appliances & Repair · Put your knowledge to work in context.
The UPMSP Intermediate Vocational trade in Domestic Electrical Appliances & Repair is a Uttar Pradesh Board vocational qualification for students who want a practical, trade-level grounding in servicing household electrical equipment. It suits candidates aiming at repair-shop work, service-centre technician roles, self-employment, or further technical study, and it is typically assessed through a written objective paper, a short-answer theory paper, a practical trade test and a viva. The UPMSP Vocational Domestic Electrical Appliances & Repair case studies are 5 cases and about 4,675 words.
1Geyser tripping the 30 mA RCCB after 15 minutes
A customer's bathroom has a 15-litre, 2 kW, 230 V storage geyser fed from a 16 A MCB with a 30 mA RCCB at the main board. For the last week the RCCB trips, but only after the geyser has been heating for 10-15 minutes; it never trips when the geyser is switched off at the wall switch.
980 words, about 5 min2Mixer-grinder that hums on speed 1 and trips the 6 A MCB on speed 3
A customer brings a 750 W, 230 V, three-speed mixer-grinder to your shop. Complaint: on speed 1 it only hums and does not rotate; on speed 3 it runs slowly, sparks visibly at the brush caps, and the 6 A MCB in the plug point trips after about 20 seconds.
952 words, about 5 min3Frost-free refrigerator that only cools for eight minutes after a rest
A 260-litre frost-free refrigerator using R-600a, rated 0.75 A at 230 V, is reported as 'freezer cold but not freezing, fridge compartment warm'. The compressor runs continuously.
898 words, about 4 min4New 1.5-ton AC circuit on a 22 m run with a weak supply and high earth resistance
A shop owner wants a new 1.5-ton fixed-speed split air conditioner on the rear wall of his shop. Nameplate: 1,450 W input, running current 6.8 A, locked-rotor current 32 A.
952 words, about 5 min5Price-matching a washing machine repair and putting the shop's records in order
You run a one-person appliance repair shop in a district town. Annual turnover is about Rs 12 lakh; you have Udyam registration but no GST registration, since turnover is below the service threshold in your state.
893 words, about 4 min