NEW
Font size
WorksheetsDismantling and Assembly of Iron Box
Total questions: 15
Worksheet time: 11mins
The heating element of a dry iron is usually made of:
Copper
Nichrome
Aluminium
Tungsten
What is the purpose of the thermostat in an iron box?
Reduce voltage
Improve insulation
Control temperature
Provide earthing
The soleplate of an iron is generally made of:
Brass
Cast iron or aluminium
Plastic
Rubber
The thermostat in an iron works based on:
Magnetic field
Optical sensor
Chemical reaction
Bimetallic strip bending
Which wire is connected to the metal body?
Live
Neutral
Earth
Return
A significant reason for overheating in an iron is:
Small soleplate
Broken handle
Damaged thermostat
Loose cord
Which part indicates the iron is ON?
Knob
Soleplate
Indicator lamp
Thermostat
If the iron box does not heat, the likely cause is:
Faulty thermostat
Bent soleplate
Faulty handle
Open heating element
Indicator lamp is connected:
To thermostat only
To neutral only
In parallel with the element
In series with the element
Which of the following is provided for safety?
Soleplate
Thermo Fuse
Cord grip
Thermostat
The iron’s cord is typically:
Single-core wire
Two-core wire
Three-core wire
Four-core wire
A loose connection in heating element leads to:
Sparking and burning smell
Smooth operation
Better heating
No visible effect
Which item is NOT present in a dry iron?
Water tank
Soleplate
Heating element
Thermostat
Which colour wire is used for neutral in India?
Blue
Black
Green
Red
If iron body gives shock, main reason:
Loose knob
Light fault
Water tank empty
Earth wire open
