A、the thrust pads are while metal faced on both sides
B、the thrust pads are while metal faced only on the forward side
C、the thrust pads are while metal faced only on the after side
D、intermediate shaft usually supported by a plummer block
更多“For a propeller direct driven by the engine,（）.”相关的问题
A、fixed pitch propellers B、uncontrollable pitch propeller C、constant pitch propellers D、variable pitch propellers
A、any sailing vessel with propelling machinery B、any vessel propelled by machinery C、any sailing vessel with or without machinery for propelling D、any sailing vessel with propelling machinery not in use
A、for FP, once fitted, the position of the blades can also be changed in operation B、for CP, once fitted, the position of the blades can also be changed in operation C、the CP type has a relatively smaller hub compared with the FP propellers D、the FP type has a relatively larger hub compared with the CP propellers
A、furnishes support to the rudder，propeller shaft，and transom frame B、provides foundations for after mooring winches C、provides foundations for the main propulsion engines D、transfers the driving force of the propeller to the hull
A、furnishes support to the rudder，propeller shaft，and transom frame B、provides foundations for after mooring winches C、provides foundations for the main propulsion engines D、transfers the driving force of the propeller to the hull
A、A.built up propeller B、B.solid propeller C、C.controllable pitch propeller D、D.suction back propeller
A、provide steam for emergency propulsion B、provide steam for the turbo-generator C、heat the waste water tanks D、steam for warming engines
A、Increase the thrust of the propeller B、Protect the propeller from striking sawyers C、Prevent the propeller from striking barges towed on the ship D、Prevent the propeller from touching bottom in low water
A、they must be located at the after end of the engine B、they can only be used with one engine at a time C、they eliminate the need for controllable pitch propellers D、they are connected to the engine with a flexible coupling
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