The proper installation of the traps to prevent water hammer in the condensate system should include:
1. Steam lines properly pitched
2. Drip traps installed after regulating valves
3. Each drainage point equipped with a drip pocket
4. Y strainers installed horizontally
a) 1, 2
b) 2, 3
c) 3, 4
d) 1, 3
e) 1, 4
Answer: E