Class 4 (4th Engineer) MEKM 📅 Apr 2024

Exam Question

(a) What do you understand by Specific Fuel Oil Consumption? Give some examples of SFOC for a two stroke engine and the auxiliary engines. (6)

(b) Explain the terms: (10)

(i) Flash point

(ii) Pour point

(iii) Calorific value

(iv) CCAI value

(v) Octane number and

(vi) Cetene number

Reference Answer

### (a) Specific Fuel Oil Consumption (SFOC)
**1. Definition:**
Specific Fuel Oil Consumption (SFOC) is a primary measure of the thermal efficiency of any prime mover that burns fuel to produce work. It represents the rate of fuel consumed per unit of power produced. The standard unit is grams per kilowatt-hour (g/kWh).
**2. Formula:**

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