A thrust block is designed to ______.A.transmit the thrust of the engine to the propellerB.transmit the thrust of the propeller to the vesselC.absorb the shock of wave pressure at the bowD.be placed between the engines and the foundation to absorb the vibration
A thrust block is designed to ______.
A.transmit the thrust of the engine to the propeller
B.transmit the thrust of the propeller to the vessel
C.absorb the shock of wave pressure at the bow
D.be placed between the engines and the foundation to absorb the vibration
相关考题：
首推全速向右！A.Bow stern full to port!B.Bow stern half to port!C.Bow thrust full to starboard !D.Bow thrust full to port!
首推全速向左！A.Bow stern full to port!B.Bow thrust half to port!C.Bow thrust full to starboard !D.Bow thrust full to port!
A thrust bearing is used with a propulsion diesel engine to ____.A.control axial movement of the crankshaftB.transmit engine thrust to the propeller shaftC.absorb vibrations in the propeller shaftingD.prevent propeller thrust from being transmitted to the hull
Kort nozzles are installed around the propellers of some vessels to ______.A.increase the thrust of the propellerB.protect the propeller from striking sawyersC.protect the propeller from striking barges towed on the hipD.protect the propeller from touching bottom in low water
尾推半速向右！（）A、Bow stern full to port!B、Bow stern half to port!C、Stern thrust half to starboard !D、Bow thrust full to port!
单选题For a propeller direct driven by the engine,（）.Athe thrust pads are while metal faced on both sidesBthe thrust pads are while metal faced only on the forward sideCthe thrust pads are while metal faced only on the after sideDintermediate shaft usually supported by a plummer block
单选题The thrust from the propeller to the hull of the ship is transferred by（）Atie rodBthrust blockCbedplate of main engineDframe of main engine
单选题A thrust bearing is used with a propulsion diesel engine to （）.Acontrol axial movement of the crankshaftBtransmit engine thrust to the propeller shaftCabsorb vibrations in the propeller shaftingDprevent propeller thrust from being transmitted to the hul
单选题When the vessel on the full speed ahead, if full astern immediately （） the main engine start astern and fuel injection.Aafter the thrust power is zeroBafter the torsion is zeroCsurpass the critical point on the water turbo phaseDafter the speed is zero
单选题A thrust block is designed to（）.Atransmit the thrust of the engine to the propellerBtransmit the thrust of the propeller to the vesselCabsorb the shock of wave pressure at the bowDbe placed between the engines and the foundation to absorb the vibration
单选题For a given weight of cargo，the stress on the heel block of a cargo boom（）.Aincreases as the cargo closes the head while hoistingBincreases if the cargo runner is doubled upCdecreases as the boom is topped to a greater angleDis determined by the thrust stresses on the boom
单选题首推全速向右！（）ABow stern full to port!BBow stern half to port!CBow thrust full to starboard !DBow thrust full to port!
单选题首推全速向左！（）ABow stern full to port!BBow thrust half to port!CBow thrust full to starboard !DBow thrust full to port!
单选题On a large diesel engine installation, crankshaft axial alignment is maintained by the （）Apiston rod guidesBengine thrust bearingCcrosshead bearingDmain shaft flexible coupling
单选题The order “Bow thrust stop” means “（）”.ABow thrust full to pertBBow thrust full to starboardCNo bow thrust revolutionsDNo stern thrust revolutions
单选题During the power stroke of a four-stroke/cycle diesel engine, most of the side thrust of a trunk-type piston is absorbed by the（）Apiston skirtBpinionCcrossheadDcompression rings
单选题When used with reversing reduction gears, medium-speed diesel engines should be bolted to their foundations with fitted bolts at the drive end and clearance(loosely fitted) bolts in other locations √This is done to （）Amaintain alignment when the ship’s hull is working in heavy seasBensure engine vibrations correspond to the natural frequency of the hullCpermit the engine to expand away from the driven equipment as the engine heats up and expandsDmaintain engine thrust bearing clearances
单选题首推半速向右！（）ABow stern full to port!BBow stern half to port!CBow thrust half to starboard !DBow thrust full to port!
单选题When the vessel shafting are installed, the slightly inclined of the shaft line should be rectified by（）Aadjusting the position of the intermediate bearingBchanging the position of the main engine installationCadjusting the center line of the propellerDchanging the position of the thrust block