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AIGF Exit Exam • Set 6 Question 15 of 30

Upgrading Turbo charger to VTA technology will _______ efficiency

✓

Direct Answer

Option C: increase

VTA technology enables precise control over exhaust gas flow velocity into the turbine wheel. By maintaining optimal boost pressure at both low and high engine loads, the system minimizes pumping losses and improves combustion efficiency, leading to a measurable increase in the engine's total fuel-to-power conversion efficiency.

All Options

A
equalize
B
decrease
C
increase (Correct Answer)
D
balance

Detailed Explanation & Context

VTA technology enables precise control over exhaust gas flow velocity into the turbine wheel. By maintaining optimal boost pressure at both low and high engine loads, the system minimizes pumping losses and improves combustion efficiency, leading to a measurable increase in the engine's total fuel-to-power conversion efficiency.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Ships subject to the IGF Code (AIGF).

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