Question 66Motor Plants - Assistant Engineer70% to pass
The pneumatic circuit shown in the illustration is part of a control system used with large low-speed diesel engines. The arrangement may be used to control_______________. Illustration MO-0118
AI Explanation
The correct answer is C) main engine speed.
The pneumatic circuit shown in the illustration is part of a control system used with large low-speed diesel engines, which are commonly used as the main propulsion engines for large ships. The purpose of this pneumatic circuit is to control the main engine speed, which is a critical function for regulating the power output and ensuring the engine operates within its designed parameters.
The other answer choices are incorrect because they do not accurately reflect the primary purpose of this pneumatic control system. Specifically, it is not used to control bridge tachometer variations (A), the proportional offset of the throttle signal (B), or emergency clutching operations (D). The main function of this system is to govern the speed of the main propulsion engine.
Related Questions
#64 Load control on a diesel engine is accomplished by_______________. #65 Diesel engine automated control systems may utilize sensing devices of dual function, with sensing ranges providing both alarm and engine shut down capability. Which of the key points listed would only require an alarm sensor? #67 The 3-position, 4-way directional control valve with a 30 bar output at "ee" as shown in the illustration (MO-0116) is a blocking valve associated with the engine turning gear. Which of the following statements describes its function when incorporated into a slow-speed diesel engine starting control air distributor as shown in the illustration (MO-0053)? Illustrations MO-0053 and MO-0116#68 Which of the following statements describes the operation of the circuit shown in the illustration? Illustration MO-0114 #69 The device represented by the symbol "B" in the illustration is used to_______________. Illustration MO-0115