syllabi 10+1 voc streams - Government Senior Secondary School ...

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Paper II ELECTRICAL DOMESTIC APPLIANCES
Time : 2 hrs. THEORY Marks : 30
Int. Ass./CCE: 10
Total Marks: 40
Semester-I
1. Introduction to Single phase supply :
Introduction to phase neutral earth, voltage between phase and neutral, phase and earth
common faults as like open circuit, shot circuit and earth fault. Series testing board and its
uses.
2. Electric Room Heater :
Construction and working principle of Reflector type room heater, common defects, testing and
repairs.
3. Electric Iron :
Types of electric iron-ordinary type and Automatic/Thermostat control type, steam iron.
Constructions and working principles of electric irons. Common defects, testing and repairs.
4. Electric Stove :
Types of electric stoves-coiled types, hot plate/oven. Construction and working principles of
electric stoves. Common defects, testing and repairs.
SEMESTER-II
Time: 2 hrs THEORY Marks: 30
Int. Ass./CCE: 15
Total Marks: 45
5. Electric Toaster :
Types of toaster- Ordinary and Automatic. Construction and working principles of electric
toasters. Common defects, testing and repairs.
6. Immersion Heater and Gyser :
Construction, working principle and use of immersion heater. Common faults, their causes,
testing and repairs.
Construction, working principles and use of Gyser, Common defects, their causes, testing and
repairs. Testing and installation of Gyser. Precautions in using immersion heater and gyser.
7. Electric Kettle :
Construction, working principle and use of Electric Kettle. Common faults, their causes.
8. Table Lamp, Low Voltage Night Lamp and Tube Light :
Constructions, working principles and uses of Table Lamp, Night Lamp and Flourescent Tube (Tube
Light) Common faults and their causes, testing and repair. Study of CFL (Compact Flourescent
Light) and LED (Light Emitting Diode).
9. Electric Bell, Buzzer and Door Chimes :
Constructions, working principles and uses of Electric Bell, Buzzer and Door chimes. Common
faults and their causes testing and repair.
ELECTRICAL DOMESTIC APPLIANCES
Time : 3 hrs. PRACTICAL Marks : 25
Semester-I
1) Fabrication of a control panel board with meters and series test lamp for testing of electrical
appliances.
2) Fabrication of a mains lead with three pin plug and iron connector.
3) Dismantling and reassembling of reflector type room heater.
4) Testing and repair of reflector type room heater.