Odisha CHSE +2 Vocational EDA (Electrical Domestic Appliances) study plan

Define and compute voltage, current, resistance, power and energy, and solve at least 20 numerical problems covering Ohm's law, series and parallel networks, and kWh billing calculations

Convert between units used in appliance work (watt, kilowatt, ampere, ohm, megaohm, microfarad) and write a one-page conversion table from memory

Identify the parts and reading procedure of a moving-coil ammeter, voltmeter, multimeter, megger and clamp meter, and state which instrument suits which measurement

Distinguish conductors, semiconductors and insulators, and list resistance wire, fuse wire, solder, mica, varnish and PVC with one domestic application each

Explain earthing purpose and describe pipe, plate and wire earthing with the colour code for phase, neutral and earth conductors

Draw from memory the layout of a domestic single-phase distribution board showing main switch, MCB, RCCB, earth bar and sub-circuits

Compare fuse, MCB, MCCB, ELCB and RCCB on tripping principle, rating range, cost and typical domestic use

Select cable size and fuse/MCB rating for lighting, 5 A socket, 15 A socket, geyser and air-conditioner circuits using standard current-density and derating rules

Sketch one-way, two-way and godown wiring circuits and state where each is used in a house

Compute the total connected load and diversified demand of a two-bedroom house and choose the main switch rating

Describe the construction of a nichrome-element room heater, an immersion rod, an electric iron and a storage geyser, naming thermostat, thermal fuse, indicator lamp and earthing points

Derive heating-element resistance from wattage and supply voltage, and calculate the current drawn by a 1000 W and a 2000 W appliance

Explain the working of bimetallic thermostat, capillary thermostat and thermal cut-out, and state the failure symptom of each

Diagnose open element, shorted element, faulty thermostat and earth leakage in heating appliances using a multimeter and megger

List servicing steps and safety precautions for descaling a geyser and replacing an iron element

Explain the construction and working of a ceiling fan, table fan and exhaust fan, including capacitor-start winding, bearings and regulator types

Describe the universal motor used in mixers and grinders, and explain why carbon brushes and commutator wear cause speed loss

Trace the drive train of a semi-automatic washing machine (motor, belt, gearbox, pulsator, timer, drain valve) and of a fully automatic top-load machine

Diagnose fan-not-starting, fan-slow, mixer-sparking, grinder-jamming and washing-machine-not-draining faults, and name the component to be tested

Test a fan capacitor, motor winding continuity and insulation resistance, and interpret the readings

Explain the vapour-compression cycle and label compressor, condenser, capillary tube, evaporator, filter-drier and accumulator on a diagram

Compare the sealed reciprocating compressor with rotary and scroll types, and state the starting components (relay, overload protector, run capacitor)

Identify refrigerant types and state the safety and environmental rules for handling, recovering and never venting refrigerant

Describe the air-conditioning window unit and split unit airflow path, and explain the function of the service valve and the importance of evacuation

Diagnose no-cooling, poor cooling, icing on the suction line, compressor not starting and water leakage, and state whether the fault is electrical, mechanical or refrigerant-related

Compare incandescent, fluorescent tube with choke and starter, CFL and LED lamps on efficacy, life and failure mode, and wire a tube-light circuit correctly

Explain the function of choke, starter, ballast and driver, and diagnose flickering, dark-end and dead-tube faults

Apply a step-by-step testing sequence (visual check, supply check, continuity, insulation, component substitution) to any domestic appliance

Use a megger to measure insulation resistance and state the acceptable minimum for domestic appliances

Practise safe isolation, lock-off, discharge of capacitors and earth-continuity testing before any repair

Prepare a cost estimate for a small domestic wiring job covering cable, conduit, switches, MCBs and labour

Draft a simple service-business plan: tools required, pricing method, warranty policy, record keeping and customer complaint handling

List the tools and instruments needed for a one-person appliance repair workshop and state the use of each

Explain consumer rights and duties under Indian consumer protection law and the correct way to write a service invoice

Rehearse safe workshop practice: bench layout, tool care, first aid for electric shock and fire response for electrical fires

Revise all formula sheets and redraw the key diagrams (distribution board, wiring circuits, refrigeration cycle, motor circuits) from memory under time pressure

Solve a full-length mock paper of 100 marks in the exam time limit and mark it strictly

Re-study only the topics that scored below 60 percent in the mock, using your earlier notes and fault tables

Recite the fault-diagnosis tables aloud and self-test on 30 rapid-fire symptom-to-cause questions

Confirm practical-record completeness: all jobs, readings, diagrams and signatures are in place