## Math Problem Statement

Calculate CII for the

Refrigerated Cargo Ship based on the following data:

• Gross Tonnage (GT): 5100

• Annual Distance Travelled (NM):

8059.1

• Annual high Sulphur Fuel Oil

(HFO) consumed during travelling: 397.4 mt

• HSFO consumption during port

stay: 0

·Annual

Marine Diesel Oil (MDO) consumed with refrigeration power 326.7 kw in port for

7945.2 hours: 815.387 mt.

·Annual Marine

Diesel Oil (MDO) total Consumed when the reefer compressors are running with refrigeration

power 905.6 kw during travelling for 403.9 hours: 151.85 mt.

• Annual Marine Diesel Oil (MDO)

total Consumed when the reefer compressors are not

running with AE power 340.3 kw

during travelling for 410.9 hours: 151.85 mt.

• Annual Total Cargo Carried:

16376.173 MT

• Main propulsion power: 3430 kW

for 928.5 hours

·Use the CO₂

emission factors for HFO: 3.114 t CO2/t. MDO: 3.206 t CO2/t

·FCelectricalreefer.j

= Reefer kWh x SFOC.

·Apply the

cargo carried in the computation of CII

## Solution

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## Math Problem Analysis

### Mathematical Concepts

Carbon Intensity Indicator (CII)

Emissions Calculations

Fuel Consumption

Efficiency Metrics

### Formulas

CII = (Total CO₂ emissions) / (Annual Cargo Carried × Annual Distance Traveled)

CO₂ emissions from fuel = Fuel consumed × CO₂ emission factor

### Theorems

Proportional Relationships in Carbon Intensity

Energy Efficiency Calculation

### Suitable Grade Level

Undergraduate (Environmental Science, Maritime Studies, Engineering)

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