engineering recuitment BSPHCL Technician (Electrician) 2024 Mock Test Electrician and Wireman Electrical Appliances
Why it is necessary to fill the space between the outer casing and the inner tank of water heater with glass wool?
1
To prevent damage of inner tank during transit
2
Corrosion protection for the inner tank
3
To prevent heat loss of the hot water
4
The protect the heating element against mechanical damage