CHIEF ENGINEER Unit 17 FUEL CONSUMPTION Flashcards

CHIEF ENGINEER Unit 17 FUEL CONSUMPTION

Given Data:

  • Two main engines: Each engine has a sump capacity of 750 liters.
  • Daily consumption per engine: 3.5 liters at full power.
  • Total lubricating oil bunkered: 1000 liters.
  • Vessel speed: 15 knots.

What is the total daily lubricating oil consumption for both engines when operating at full power?

 

C) 7 liters

What is the safe steaming range of the vessel in nautical miles?

 

B) 4,135 nautical miles

Which of the following is NOT a factor when calculating fresh water requirements for a voyage?

C) Speed of the vessel

Given:

  • Total Fuel Onboard = 300 tonnes (or 300,000 kg)
  • Daily Fuel Consumption = 25,200 kg
  • Speed = 18 knots

What is the total steaming range of the vessel at a speed of 18 knots?

B) 5,140.8 nautical miles

When determining voyage requirements, why is it important to consider maintenance and operational readiness?

A) To ensure all equipment is functional and safe for the voyage

Why is it important to consider the availability of fresh water generation equipment when calculating water needs for a voyage?

C) It can decrease the need to carry large volumes of stored water

What is the steaming range of the vessel if it maintains a speed of 15 knots, given that the oil supply will last approximately 142.86 days?

B) 51,428.57 nautical miles

Given:

  • Power Load = 2800 kW
  • Specific Fuel Consumption = 0.35 kg/kWh
  • Hours per Day = 24

What is the daily fuel consumption of the vessel in tonnes?

A) 23.5 tonnes

What is the safe reserve lubricating oil requirement for the voyage?

C) 60.8 liters

Which of the following is NOT a factor to consider when calculating fresh water requirements for an extended voyage?

C) Lubricating oil capacity

Given Data:

  • Two main engines: Each engine has a sump capacity of 750 liters.
  • Daily consumption per engine: 3.5 liters at full power.
  • Voyage distance: 2500 nautical miles.
  • Speed: 18 knots.

What is the total lubricating oil consumption for both engines for the 2500-mile voyage?

B) 40.5 liters

Which of the following is NOT a factor that must be considered when planning a voyage for a large motor yacht?

B) Color of the hull

How many days will the lubricating oil supply last if 1000 liters are bunkered and the engines consume 7 liters per day?

C) 142.86 days

Given:

  • Power Load = 3000 kW
  • Specific Fuel Consumption = 0.35 kg/kWh

What is the daily fuel consumption of the vessel in tonnes?

B) 25.2 tonnes

Why is it important to consider the number of people onboard when calculating fresh water requirements?

B) To ensure adequate supply for drinking, cooking, and hygiene

What is the safe steaming range of the vessel, given a usable fuel capacity of 220 tonnes and a daily consumption of 20.736 tonnes at 15 knots?

 

B) 3,819.6 nautical miles
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