Boiler stays
a) are used to support flat surfaces in a boiler
b) are mostly used in water tube boilers
c) have to be replaced every two years
d) are used for hot water heating boilers only
e) are made of hollow tubes
Answer: A
Boiler stays
a) are used to support flat surfaces in a boiler
b) are mostly used in water tube boilers
c) have to be replaced every two years
d) are used for hot water heating boilers only
e) are made of hollow tubes