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Q4. With regard to NOx control requirements of Annex VI:

(a) Explain Tier I, Tier II and Tier III requirements.

(b) Briefly explain NOx technical code and NOx Technical file. What entries are required to make in onboard NOx Technical file.

(c) The control of diesel engine NOx emissions is achieved by what means?

(d) Explain with a simple sketch any two systems for NOx emission reduction.

Q3. With reference to Annex VI of MARPOL, What are the salient features of
A. EEDI (Energy efficiency design index)
B. EEOI (Energy Efficiency Operational Indicator)
C. SEEMP (Ship Energy Efficiency Management Plan)
D. CII (Carbon Intensity Indicator)

Q4. Your vessel built after 01st January 2000 and due for International Air Pollution Prevention Certificate renewal survey.

a) How you will prepare yourself as 2nd Engineer for the renewal survey.

b) What records, procedures, certificates etc. you will keep ready for attending surveyor verification.

Q3. Explain the purpose of NOx Technical Code and its applicability to marine diesel engines. (7)

b) Explain certification requirements under NOx Technical Code. (6)

c) Explain the purpose of NOx technical file and its importance (6)

Q7. Explain the following with reference to MARPOL Annex-VI

a) Ozone depleting substances and its emissions control. (7)

b) Volatile Organic and its emissions control. (6)

c) NOx emissions and its control from ships. (7)

Q3): Exhaust emission control is a major global issue and under serious consideration by world shipping. In this context, comment on the following: -

a) Tier 2 and 3 emission regulation on main engine (4)

b) Primary NOx reduction vis-a-vis secondary NOx reduction measures. (4)

c) SCR for NOx Emission Reduction. (4)

d) Scavenge Air Moisturizing & Exhaust Gas Recirculation for ME. (4)

Q3. Explain the following with reference to MARPOL Annex-VI

a) Ozone depleting substances and its emissions control. (5)

b) Volatile Organic and its emissions control. (5)

c) NOx emissions and its control from ships. (5)

d) NOX technical file. (5)