If a stuffing box is to prevent the ingress of air, it is equipped with:
a. A vacuum breaker
b. A seal cage
c. A bushing
d. A thrust collar
e. An anti air siphon
Answer: B
If a stuffing box is to prevent the ingress of air, it is equipped with:
a. A vacuum breaker
b. A seal cage
c. A bushing
d. A thrust collar
e. An anti air siphon
Answer: B