48) What is the main cause for occurring Blisters on the sole plate in automatic electric iron ?

Defective thermostat

Excessive heat

Defective heater element

Loose connection

Answer is:

Excessive heat

1000 Watts

750 Watts

250 Watts

100 Watts

Answer is:

reduce the current to control temperature

limit the current flow through the element

regulate the heat by switching ON and OFF

control the ON and OFF switch function of indicating lamp

Answer is:

disconnect the supply of electricity in case of short circuit

release the pressure inside the tank in case of thermostat failure

release the steam inside the heater in case of over heat

eject the three pin plug so as to disconnect the supply in case of earth fault

Answer is:

1 kW

2 kW

3 kW

4 kW

Answer is: