IME 2 QUIZ 1 REVIEW UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

IME 2 QUIZ 1 REVIEW UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS

Question:
1. When does a recuperative air heater bypass prevent acid attacks on the tubes?
Answer:
Low steam rates

Question:
2. What is the portion of the steam drum containing a manhole?
Answer:
Drum Head

Question:
3. What is the primary function of the water screen tube?
Answer:
Protect superheater

Question:
4. What is the purpose of down comers?
Answer:
Circulate water to mud drum

Question:
5. Where is the dry pipe located?
Answer:
Top of the steam drum

Question:
6. Which of the following keeps the super heater cool?
Answer:
Steam flow through tubes

Question:
7. What allows longitudinal expansion of the water drum?
Answer:
Sliding Feet

Question:
8. What type of super heater provides a more constant super heat temperature?
Answer:
Inter Deck

Question:
9. How are heavy contaminants removed from the mud drum and header?

, Answer:
Bottom Blow

Question:
10. What is the purpose of the steam drum vent?
Answer:
D (all of the above)

Question:
11. In a by drum convection type boiler, which insulation is closest to the flame?
Answer:
Fire Brick

Question:
12. What is de superheated steam used for?
Answer:
Auxiliary Systems

Question:
13. Which safety valve should open first and close last?
Answer:
Superheater Safety Valve

Question:
14. Where is the main propulsion boiler fuel oil heated on a ship?
Answer:
Settling Tank

Question:
15. Which atomizer has the best turn down ratio?
Answer:
Steam

Question:
16. What type of air heater has heating elements contained in a slowly rotating boiler?
Answer:
Regenerative

Question:
17. What is used to preheat feed water?
Answer:
Economizer

Question:
18. Why must a boiler be purged?