What type of engine starter motor is commonly found on the marine gas turbine shown in the illustration? Illustration GT-0006

Correct Answer: Option B — Hydraulic motor

Hydraulic motors are frequently employed for starting marine gas turbines because they offer high torque-to-weight ratios and are inherently explosion-proof. In marine environments, hydraulic systems are robust and easily integrated with existing shipboard auxiliary power units, providing reliable, controlled acceleration during the engine start sequence.