Electrical Appliances Syllabus Diploma in Electrical Engineering, Regulation 2010, Short Suggestion, Exam Dates, Exam Routine, Question Out, Book list with code

  • To develop understanding and skill on the construction and operation of electrical appliances based on heating principle.
  • To develop understanding and skill on the construction and operation of appliances operated by electric motor.
  • To enable to acquire skill/competence in diagnosing/localizing faults and repairing & servicing of electrical appliances.

 

SHORT DESCRIPTION

Electric iron; Electric heater; Microwave oven; Rice cooker; Toaster, Hair drier, electric shaving machine, Kettle Geyser. Electric fan; Rechargeable lamp; Vacuum Cleaner; Blower; Dehumidifier; Blender; Washing machine; Water pump; Refrigerator; Air conditioner; Lift and escalator.

 

DETAIL DESCRIPTION

 

Theory :

 

  • Understand the basic principle of electric appliances.
    • State the meaning of electric appliances.
    • List the names of appliances based on heating principles.
    • List the names of the appliances operated by electric motor.
    • State the related codes of electric heating appliances.

 

  • Understand the working principle of electric iron.
    • Name different types of electric irons.
    • Differentiate between an ordinary and an automatic electric iron.
    • Identify different parts of an electric iron.
    • Sketch the circuit diagram of an electric iron.
    • Explain the operating principles of an electric iron.
    • Explain the operation of thermostat in an automatic electric iron.
    • Explain the construction and operation of a steam iron.
    • List the possible faults and their causes and remedies of an electric iron.

 

  • Understand the working principle of electric heater.
    • List different types of electric heater.
    • List different parts of a room heater, surface heater and water heater.
    • Explain the function of heat reflector and guard wire in a room heater.
    • List the possible faults and their causes and remedies of an electric heater.

 

  • Understand the working principle of microwave oven.
    • Describe the function of a microwave oven.
    • List the main parts of a microwave oven.
    • List different parts of heat control and timer in an oven.
    • Describe the function of heat control and timer in an oven.
    • Sketch the electrical circuit diagram of a microwave oven.
    • List the possible faults and their causes and remedies of a microwave oven.

 

  • Understand the working principle of rice cooker.
    • Describe the function of a rice cooker.
    • List the main parts of a rice cooker.
    • Explain the function of different parts of a rice cooker.
    • List the possible faults and their causes and remedies of a rice cooker.

 

  • Understand the working principle of Electric Toaster.
    • List different types of Electric Toaster.
    • List different Parts of Electric Toaster.
    • Explain the function of different parts of Electric toaster.
    • List the possible faults and their Causes and remedies of a electric toaster.

 

 

  • Understand the features of Hair drier
    • State Principle operation of Hair drier.
    • List different parts of Hair drier.
    • Explain the function of different parts of Hair drier.
    • List the possible faults and their causes and remedies of a Hair drier.

 

  • Understand the features of Electric Shaving machine (shaver)
    • State principle operation of electric shaving machine.
    • List different parts of shaving machine.
    • Explain the function of different parts shaving marching.
    • List the possible faults and their causes and remedies of a electric shaving machine.

 

  • Understand the features of Electric Kettle.
    • State Principle operation of Electric Kettle.
    • List deferent parts of electric Kettle.
    • Explain the function of different pants of electric Kettle.
    • List the possible faults and their causes and remedies of a electric kettle.

 

  • Understand the features of Geyser.

 

  • List the different parts of Geyser.
  • Explain the operation of Geyser.
  • Discuss the safety precaution of Geyser.
  • List of possible faults and causes and their remedies of a Geyser.

 

 

  • Understand the working principle of table fan/pedestal fan.
    • Describe the function of a table fan/pedestal fan.
    • List different parts of a table fan/pedestal fan.
    • Sketch the circuit diagram of a table fan/pedestal fan.
    • Explain the oscillatory mechanism of a table fan/pedestal fan.
    • List various components of an electronic fan regulator.
    • Explain the operation of an electronic fan regulator.
    • List the possible faults and their causes and remedies of a table fan/pedestal fan.

 

  • Understand the features of a rechargeable (emergency) lamp.
    • Explain the working principle of a rechargeable lamp.
    • Name the different parts of a rechargeable lamp.
    • Sketch the circuit diagram of a rechargeable lamp.
    • Explain the principle of operation of a rechargeable DC fan.
    • List the possible faults and their causes and remedies of a rechargeable lamp.

 

  • Understand the features of a vacuum cleaner.
    • Explain the working principle of a vacuum cleaner.
    • Name the different parts of a vacuum cleaner.
    • Sketch the circuit diagram of a vacuum cleaner.
    • List the possible faults and their causes and remedies of a vacuum cleaner.

 

  • Understand the features of an electric blower.
    • Explain the working principle of an electric blower.
    • Name the different parts of an electric blower.
    • Sketch the circuit diagram of an electric blower.
    • List the possible faults and their causes and remedies of a electric blower.

 

  • Understand the features of a de-humidifier.
    • Explain the principle of operation of a dehumidifier.
    • Name different parts and their function of a dehumidifier.
    • Sketch the circuit diagram of a de-humidifier.
    • List the possible faults and their causes and remedies of a de-humidifier.

 

  • Understand the features of a blender.
    • Explain the principle of operation of a blender.
    • List the different parts of a blender.
    • Sketch the electric circuit of a blender.
    • State the function of the timer in a blender.
    • List the possible faults and their causes and remedies of a blender.

 

  • Understand the features of a washing machine.
    • Explain the principle of operation of a washing machine.
    • List the different parts of a washing machine.
    • Explain the function of the timer in a washing machine.
    • Explain complete washing cycle of a washing machine.
    • List the possible troubles and their causes and remedies of a washing machine.

 

  • Understand the features of a water pump.
    • Explain the principle of operation of a water pump.
    • State the specification of a water pump.
    • List different parts with their function.
    • Sketch the connection diagram of pump motor.
    • Explain different types of motor starter used in water pump.
    • List the possible troubles and their causes and remedies of a water pump.
    • Sketch the circuit diagram of a water level controller.

 

  • Understand the features of a refrigerator.
    • Explain operating principle of a refrigerator.
    • Sketch the refrigeration cycle.
    • Draw the electrical circuit of a refrigerator.
    • Explain the function of different components of refrigerator.
    • List the possible faults and their causes and remedies of a refrigerator.

 

  • Understand the features of an air conditioner.
    • State the principle of operation of an air conditioner.
    • List different parts of an air conditioner.
    • Explain the function of filter, ducts and grills, air-conditioning circuit, control, cooling unit and electrical control unit.
    • Draw the electrical circuit of an air conditioning unit.
    • List the possible electrical faults and their causes and remedies of an air conditioner.

 

  • Understand the features of a lift.
    • Explain principle of operation of a lift.
    • List the different components of a lift.
    • Mention specification of a common type of lift.
    • Describe the steps of installation of a lift.
    • Explain the motor generally used in a lift and its control.
    • List possible faults and their causes and remedies of a lift.

 

  • Understand the features of an escalator.
    • Explain principle of operation of an escalator.
    • State the working principle of escalator.
    • List the main parts of an escalator.
    • Name the electric motor generally used in escalator.
    • Describe the steps of installation of an escalator.

 

 

Practical :

 

  • Perform maintenance and servicing an electric iron.
    • Select the equipment and tools necessary for disassembling and servicing an electric iron.
    • Disassemble the electric iron.
    • Sketch the different parts of the electric iron.
    • Observe the heating element and operation of thermostat in the electric iron.
    • Diagnose the possible problems in the electric iron.
    • Repair or replace the defective parts, if any.
    • Reassemble the parts and connect the iron to the power source.

 

  • Perform maintenance and servicing of different types of electric heaters.
    • Disassemble the different parts of the electric heater.
    • Sketch the main parts of the electric heater.
    • Sketch the circuit diagram of a single throw and a double throw thermostatic control electric heater.
    • Identify the possible troubles in a heater with causes and remedies.
    • Repair or replace the defective parts of the heater, if any.
    • Reassemble the parts of the heater.
    • Connect the heater to service.

 

  • Perform maintenance and servicing of a microwave oven.
    • Disassemble the microwave oven.
    • Sketch the main parts of the microwave oven.
    • Make a visual study and test the different parts.
    • Sketch the electrical circuit diagram of the microwave oven.
    • List possible troubles with causes and remedies of a microwave oven.
    • Assemble the parts and connect the oven to the power source.
    • Observe the operation.

 

  • Perform repair and maintenance of a rice cooker.
    • Disassemble the parts of the rice cooker.
    • Sketch the main parts of the rice cooker.
    • Identify possible troubles with causes and remedies of a rice cooker.
    • Assemble the parts of the rice cooker.
    • Connect the cooker to the power source.

 

  • Perform the operation and maintenance of a toaster
    • Select the necessary tools for disable and assemble the components of a toaster.
    • Sketch the diagram.
    • Connect the toaster to the power source.
    • Observe the operation.

 

  • Perform the operation of a Geyser
    • Select the necessary tools for disasscmble & assemble the components of Geyser
    • Sketch the diagram
    • Select the different ranges of Geyser.
    • Connect the Geyser to the power source.
    • Observe the operation.

 

  • Perform the operation and maintenance of an Electric Kettle.

 

  • Select the necessary hand tools for disassemble and assemble the electrical components of the electric kettle.
  • Disassemble and assemble the electric kettle.
  • Sketch the diagram.
  • Connect into the power source.
  • Observe the operation.

 

 

  • Perform repair and maintenance of an oscillatory type fan.
    • Disassemble the different parts of the table fan/pedestal fan.
    • Observe the oscillatory mechanism of the oscillating type of fan.
    • Sketch the different parts of the fan.
    • Assemble the fan and connect to the power supply.
    • Observe the operation.

 

  • Perform repair and maintenance of a rechargeable (emergency) lamp.
    • Disassemble the rechargeable (emergency) lamp.
    • Sketch the different parts of the rechargeable lamp.
    • Test the battery of the lamp.
    • Check the parts to ensure its sound condition.
    • Repair and replace the defective parts, if any.
    • Reassemble the lamp and connect to the power source.
    • Observe the charging and discharging condition.

 

  • Perform repair and maintenance of an electric blower.
    • Disassemble the parts of the electric blower.
    • Sketch the main parts of the electric blower.
    • Check the parts to ensure the sound condition.
    • Repair or replace the defective parts, if any.
    • Reassemble the parts.
    • Connect the appliances to the power source.
    • Observe the operation.

 

  • Perform repair and maintenance of a vacuum cleaner.
    • Disassemble the parts of the vacuum cleaner.
    • Sketch the main parts of the vacuum cleaner.
    • Check the parts to ensure the sound condition.
    • Repair or replace the defective parts, if any.
    • Reassemble the parts.
    • Connect the appliances to the power source.
    • Observe the operation.

 

  • Study a dehumidifier.
    • Disassemble the dehumidifier.
    • Sketch the main parts of the dehumidifier.
    • Identify the major troubles with remedies.
    • Reassemble the parts.
    • Connect the dehumidifier to the power supply.
    • Observe the operation.

 

 

  • Perform repair and maintenance of a blender.
    • Disassemble the blender.
    • Sketch the main parts.
    • Identify the major faults generally occurred in a blender.
    • Assemble the blender.
    • Connect the blender to the power supply.
    • Observe the operation.

 

  • Perform repair and maintenance of a washing machine.
    • Identify the main parts of the washing machine.
    • Sketch the main parts of the washing machine.
    • Sketch the electrical circuit of the washing machine.
    • Draw the complete washing cycle of washing machine.
    • Dissemble the major components.
    • Make a visual observation.
    • Reassemble the parts.
    • Connect the washing machine to the power supply.
    • Observe the operation.
  • Perform repair and maintenance of a water pump.
    • Disassemble the different parts of the water pump.
    • Sketch the different parts of the pump and motor.
    • Check the insulation resistance of the driving motor.
    • Test the continuity and earthling of the driving motor.
    • Assemble the pump.
    • Observe the operation of pump and method of control against overflow from tank.

 

  • Perform repair and maintenance of electrical components of a refrigerator.
    • Identify the different parts of the refrigerator.
    • Identify the electrical components of the refrigerator.
    • Sketch the wiring circuit showing electrical control system.
    • Note down the maintenance procedure of a refrigerator.
    • Disassemble and assemble the thermostat control.
    • Connect into the power source.
    • Observe the operation.

 

  • Perform repair and maintenance of electrical components of air-conditioner.
    • List the main parts of the air-conditioner.
    • Sketch the main section namely fan with motor, filter, ducts and grill, air conditioning control, cooling unit and electrical control unit.
    • Sketch the wiring diagram.
    • Disassemble and assemble the electrical components of the air conditioner.
    • Connect the air conditioner to the power supply.
    • Observe the operation.

 

 

 

  • Perform operation and maintenance of a lift.
    • Visit a nearby establishment where a lift is available.
    • Note down the different specifications of the lift.
    • Observe the operating principle of the lift.
    • Sketch different components of the lift.
    • Identify the possible troubles and their remedies.

 

  • Perform operation and maintenance of an escalator.
    • Visit a nearby establishment where an escalator is available.
    • Note down the different specification of the escalator.
    • Observe the operating principle.
    • Sketch the different components of the escalator.
    • Identify the possible troubles and their causes and remedies of an escalator generally occurred.

 

 

REFERENCE BOOK

 

  1. Home appliances Service Guide – Edwin P. Anderson.
  2. Study of electrical appliances and devices – K.B Bhatia
  3. Electrical home appliances service manual – S. K . Gupta, Gt publication
  4. Principle of Refrigeration – Dossat

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