UPMSP Vocational Domestic Electrical Appliances & Repair study plan

State Ohm's law and compute current, voltage, resistance and power for at least ten appliance-nameplate examples (iron, geyser, mixer, fan) without reference notes.

Distinguish AC and DC, single-phase and three-phase supply, and explain why domestic appliances use 230 V single-phase with earth and neutral.

Demonstrate safe use of a digital multimeter: measure line voltage, appliance resistance, continuity and insulation resistance on a practice board.

Identify shock hazards and protective measures: earthing, MCB, RCCB, fuse rating, double insulation, and the first-aid steps for electric shock.

Select the correct hand tool and meter for five given repair scenarios and justify each choice in one sentence.

Explain the construction and working of a universal motor, capacitor-start induction motor and shaded-pole motor, and match each to mixer-grinder, washing machine and ceiling fan.

Test a single-phase motor's winding resistance, capacitor and thermal protector with a multimeter and identify open, short and grounded windings.

Diagnose common mixer-grinder faults: blown fuse, worn carbon brushes, faulty speed switch, jammed bush and leaking jar seal.

Trace the wiring of a ceiling fan regulator, capacitor and winding circuit and state the symptom of each component failing.

Describe the water-pump starter, dry-run protection and the checks for low discharge and noisy operation.

Identify and specify domestic wiring accessories by rating: wire gauge, MCB, socket, plug, switch, earthing conductor and conduit size for given loads.

Calculate cable size and MCB rating for a geyser and an induction cooktop circuit, showing current, derating and diversity reasoning.

Explain the heating element, thermostat, thermal cut-out and bimetallic control in an electric iron, heater and geyser, and test each component.

Diagnose geyser faults including failed element, tripped cut-out, leaking tank, faulty thermostat and earthing leakage.

Describe induction cooktop operation: IGBT drive, coil, pan-detection and temperature sensing, and list its typical faults and safe test points.

Explain the vapour-compression cycle and identify compressor, condenser, capillary, evaporator, filter-drier and refrigerant charge in a domestic refrigerator.

Interpret pressure and temperature readings to classify faults: undercharge, overcharge, restriction, blocked capillary and inefficient compressor.

Trace the electrical circuit of a refrigerator including relay, overload protector, thermostat and defrost timer, and test each part.

Describe washing-machine operation for semi-automatic and front-load types: timer, inlet valve, pressure switch, motor and drain pump, and diagnose no-spin and no-drain faults.

Explain window and split AC components, including capacitor, PCB, blower and outdoor unit, and the checks for no-cooling complaints.

Identify electronic components on an appliance PCB: resistor, capacitor, diode, triac, relay, thermistor, sensor and microcontroller, and test each with a multimeter.

Explain inverter appliance architecture in an inverter AC, BLDC fan and inverter refrigerator, including the IPM module and error-code display.

Describe sensor types used in appliances (NTC thermistor, Hall sensor, water-level sensor, door switch) and state the failure symptom of each.

Apply a structured diagnostic sequence: customer interview, visual inspection, isolation, meter testing, substitution and post-repair verification.

Demonstrate insulation resistance and earth continuity testing and record results against acceptable limits.

Perform a full fault-finding walkthrough on one heating appliance, one motor appliance and one refrigeration appliance, documenting each test and reading.

Diagnose intermittent faults caused by loose terminals, cracked solder joints, worn insulation and moisture ingress.

Replace a compressor start relay and a heating element following safe isolation, and verify correct operation afterwards.

Explain refrigerant handling rules, recovery, leak testing and why venting refrigerant is prohibited.

Write a customer-facing repair estimate listing parts, labour, warranty and the reason for the diagnosis.

Draft a simple business plan for a domestic appliance repair shop covering services, pricing, tools, working capital and break-even calculation.

Explain customer-service practice: appointment handling, explaining faults without jargon, warranty terms, complaint resolution and record keeping.

Apply occupational safety rules for electrical work, including lockout, PPE, insulated tools, safe isolation and safe disposal of e-waste and refrigerant.

Describe the employability skills expected in a workshop: punctuality, teamwork, communication, documentation and continuing learning.

Calculate a repair price from parts cost, labour time and margin for three sample jobs.

Complete two full-length timed mock tests under exam conditions and score at least 70 percent on each.

Revisit every weak area flagged by the mocks and rewrite the underlying rule or procedure from memory.

Recite key ratings, limits and safety values (MCB sizes, insulation resistance limits, earth resistance, refrigerant safety) without notes.

Practise 20 rapid-fire fault scenarios, stating the first test and likely cause within 30 seconds each.