Certified Repair and Maintenance of Domestic Appliances Technician

Vskills has developed a new strategic framework for Skill Development for early school leavers and existing workers, especially in the unorganized sector to improve their employability called Trade Employable Skills (TES).

Trade Employable Skills does effective assessment and certification of candidates in different trade disciplines like Electrical, Electronics, Agriculture, Chemical, Automobile, IT, etc to make them job ready.

Why should one take this certification?

To demonstrate clear understanding and practical aspects and to get a visible recognition for this knowledge.

Table of Content

https://www.vskills.in/certification/Vskills-Certified-Repair-and-Maintenance-of-Domestic-Appliances-Technician-Table-of-Content

Practice Test

https://www.vskills.in/test/

Companies that hire Repair and Maintenance of Domestic Appliances Technician

All small and medium companies need certified employees who have the requisite skills. There are more jobs opening up in the economy on a regular basis with the fast growth of the country.

Apply for Certification

By Net banking / Credit Card/Debit Card

We accept Visa/Master/Amex cards and all Indian Banks Debit Cards. There is no need to fill application form in case you are paying online.

Please click buy now to proceed for online payments.

TABLE OF CONTENT

Domestic appliances

NECESSITY OF ELECTRITY
FAULTS OF A MECHANICAL NATURE
FAULTS OF A MECHANICAL NATURE
PRECAUTIONS TO BE AS A PREVENTIVE

Conductors and Insulators

CONDUCTOR
PROPERTIES OF A GOOD CONDUCTOR
CLASSIFICATION OF CONDUCTORS Bare Conductors
Insulated Conductors
INSULATOR
QUALITIES OF INSULTIN MATERIALS

Common Electrical Instruments

Ammeter
Voltmeter
Multimeter
Cable fault locator (Megger)
Open circuit
Short circuit

Electric iron (Non –automatic)

Types of electric iron
Principle of an electric iron and its parts
General parts
Cords
Handles
Pressure plate
Heating elements
Sole – plate
Heel –plate
Terminals
Possible faults
Repairs
Precautions at the of fitting
Testing

Thermostat heat controls

Thermostats
Bimetal thermostat
Adjustable thermostat

Automatic electric iron

Parts of an automatic iron
Handle
Sole – plate and cover
Thermostat
Heating element
Flex
Steam / spray iron
Repairing automatic electric iron

Electric Kettle

Bottom cover
Heating element
Asbestos sheet
Sole – plate
Pressure plate
Method of fitting new element
Immersion type
Fitting a new element
Care and maintenance

Electric heater

Introduction
Electrical heater
Selection of nichrome wire size
Heater plate
Body or frame
Connecting leads
Grill stand
Heater socket
Safe installation
Users safety practice
Precaution to be followed while repairing a heater
Calorie
Boiling plate or hot plate
Soldering iron
Air conditioner
Room heater
Immersion heater
Immersion heater consists of

Electrical toaster

Toasters
Normal operating temperature range of the appliance
Rating of toasters
Types of toasters
Non-automatic toasters
Automatic toasters
Operation of automatic toasters
Clock-type timer of colour control
Advanced type of automatic bread toaster
Clock timer with colour control cord and thermal compensator
Servicing of toasters, care and maintenance
Troubleshooting in automatic toasters
General safety rules pertaining to purchase, test installation and maintenance of domestic appliances

Cooking range having multi-range heat control (Oven)

ELECTRICAL COOKING RANGE
Surface heating elements
Step/Selector switches
Oven unit

Microwave oven

Off Condition
Idle Condition
Cooking Condition
Oven light
Blower Motor
Stirrer motor
Dual latch switch
Timer Assembly
Cook Switch
Cook relay
Thermo Cut-Out
Door safety switch
Power Transformer
Voltage – Doubler Circuit
Magnetron tube

Geyser

Water heaters
Storage water heaters/geysers
Thermostats
A typical thermostat used in geysers
Working
Care and maintenance

Servicing and repairing of a table fan

Table fan
Construction
Construction
Oscillating unit
Bearing
Faults and remedy
Servicing
Condition of fan and suggested action
Motor will not run
Motor does not respond properly when the selector switch is operated
Fan is noisy and vibrates
Fan has magnetic hum
Bearing of the oscillating
Mechanism rattle
How to dismantle
Varnishing

Servicing, repairing and installing of a ceiling fan

Ceiling fan
Construction
Regulator
Care and use
Dismantling and assembling of fans
Assembling

Mixer

Maintenance and serving of a food mixer
Repairs

Wet grinder

Motor
Stone
Pulley
Frame and stand
Wet grinder- maintenance and servicing
Trouble shooting
Safety measures
Maintenance practices
Daily maintenance monthly maintenance
Yearly maintenance

Blender

Dishwasher

Types of dishwasher
Basic operation
Dishwasher cycle
Impeller dishwashers
Water inlet phase
Wash phase
Drain phase
Rinse phase
Dry phase
Wash-arm, dishwashers

Washing machine

Types of washing machines
Ordinary type
Ordinary without timer
Ordinary with timer
Semi –automatic type
Automatic type
The pulsator wash technique
Tumbler type
The agitator wash technique
The air power wash technique
The chaos punch wash technique
The neuro fuzzy logic technique
The water fall technique
The conventional type with mangle wringer for drying
The mechanical timer
The drain jump
The drive motor
Locating the machine

Vacuum Cleaner

Types of Vacuum Cleaner
The upright Vacuum Cleaner
The Cylinder –Type Vacuum Cleaner
The pot – Type Vacuum Cleaner
The Portable Cleaner

Emergency Lamp

Introduction
Emergency tube light circuit

Water lifting pump

Selection of pump
Example
Pumpset for agricultural purposes
Given
Pumps
Reciprocating pumps
Rotary pumps
Submersible pumps
Disadvantages
Jet pumps
Location of pumps
Performance with AC 50Hz, 2880 rpm electric motors for 220/240V single phase and 400/440V 3-phase
Controlling devices
Operational instructions
Trouble shooting in pumps
Trouble shooting chart

Automatic Water level controller (Cellar Drainage pump)

OPERATION
SERVICING AND REPAIRS
Troubleshooting
The Discharge Head

Air Cooler / Desert Cooler

The Construction, function and application of Air cooler
Service of desert cooler
Service of desert coolers

Thermostatic Switch

Thermostat
Working principle
Application
Disc type of thermostats
Range adjustment

Miniature Circuit Breaker (MCB)

Types of MCB’s
Thermal magnetic MCB
Working
Magnetic hydraulic MCB
Assister Bimetal Tripping MCB
Design and rating of MCB s
Advantages of MCB
Disadvantages

Earth Leakage Circuit Breaker (ELCB)

INTRODUCTION
Voltage operated ELCB
Current operated ELCB
Construction of ELCB
Working principle of ELCB
Test Switch
Technbical specification
Sensitivities
Electrical life
Mechanical life

Insulation tester (Megohmmeter)

Necessity of megommeter
Types of insulation testers
Construction
Working principle
Electronic insuation tester (transistorised Megger)
Rating
Connection for measurement
Precaution
Uses of a megohmmeter

Growler

External growler
Internal growler
Growler test for grounded
Growler test for shorted
Test for open coil
Growler test for an open coil

Balancing rotating parts (Armature)

Importance of balancing the armature
Static Balancing – Method 1
Static balancing – Method 2
Dynamic balancing

Certified Repair and Maintenance of Domestic Appliances Technician

How It Works

Test Details

Benefits of Certification