ESWS Engineering || with Complete Solutions.
How many Steering Units are there? correct answers (Four) What type of system operates the Steering Units? correct answers (Closed loop hydraulic system) Where are the Steering Units located? correct answers (Aft Steering 3rd deck frame 247 Port and Stbd) Where is the Ram Assembly located? correct answers (4th deck below Port and Stbd Aft Steering) How many Steering Units are online during normal operation? correct answers (Two, 1 port and 1 Stbd, 1 & 4 even, 2 & 3 odd days) Where can you steer the ship from? correct answers (Bridge, Trick Wheel, Secondary Control in DCC, Main propulsion, Ratchet, Pointer) Where is Emergency Steering located? correct answers (2nd deck frame 247 Port and Stbd) What is the purpose of Emergency Steering? correct answers (Bring rudder amidships during a casualty) Explain the two main modes of steering. correct answers (Non-Follow up: Helm Electric control from Bridge)(Follow up: Engage Trick wheel from Aft Steering) Steering pumps correct answers Consist of two independent variable hydraulic pump that moves hydraulic liquid to the main system. Trick wheel correct answers Provide local-hydraulic control of the steering system in case of failure of the remote steering system. Differential control box correct answers Mechanically positions the tilt box of the main hydraulic pump to the required angle and position. Ram assembly correct answers The ram unit is mounted athwart ship and consists of a single ram operated by opposed cylinders. The ram is connected by links to the tillers of the twin rudders. When oil pressure is applied to one end of the operating cylinder, the ram will move, causing each rudder to move along with it. Emergency steering pump correct answers A hand pump and associated service lines are also provided for local-manual operation of the ram in case of failure of both hydraulic pump units.
Información del documento
- Subido en
- 21 de mayo de 2024
- Número de páginas
- 12
- Escrito en
- 2023/2024
- Tipo
- Examen
- Contiene
- Preguntas y respuestas