网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
单选题
Suppose the rated capacity of the main engine of a ship is 10,000 KW at 100 rated rpm, then when at 80 rpm its capacity should be ().
A

800 KW

B

5120 KW

C

6400 KW

D

4180 KW


参考答案

参考解析
解析: 暂无解析
更多 “单选题Suppose the rated capacity of the main engine of a ship is 10,000 KW at 100 rated rpm, then when at 80 rpm its capacity should be ().A 800 KWB 5120 KWC 6400 KWD 4180 KW” 相关考题
考题 In the navigation,_______cause the shafting over load most easilyA.stopping the main engine suddenlyB.changing the main engine running direction suddenlyC.the sailing from the shallow water area to the deep water areaD.the ship's trim too much

考题 When the ship, its main propulsion device equipped with clutch, arrived at the port and finished with the engine, the correct operation should be______.A.disengaging the clutch firstly, then stopping the main engineB.stopping the main engine firstly, then disengaging the clutchC.stopping the cooling water pump firstly, then stopping the main engineD.stopping the main engine and disengaging the clutch at the same time

考题 If anything abnormal be found on the load change of main engine when the ship is entering in shallow waterway, before taking measures the engineer on duty should _______.A.stop main engine immediatelyB.ask the captain and the chief engineer's permission for stopping the engineC.inquire the bridge for the situation initiativelyD.stop engine and inform bridge

考题 单选题Prior to a ship’s departure from any port () should be tested with deck officer to ensure satisfactory operation.A fire fighting pumpB the steering gearC life boat engineD the main engine

考题 单选题The thrust from the propeller to the hull of the ship is transferred by()A tie rodB thrust blockC bedplate of main engineD frame of main engine

考题 单选题If keep the fuel injection of main engine unchanged when ship is fouled, that will causeⅠ.The speed of main engine to be reduced Ⅱ.Ship speed to be reduced Ⅲ.The resistance torque of propeller to be increased Ⅳ.Trim at stern to increase()A Ⅰ + ⅡB Ⅰ ~ ⅢC Ⅰ ~ ⅣD Ⅰ + Ⅱ + Ⅳ

考题 单选题While a ship with twin screw is making a turn, in order to prevent overload, the duty engineer should ()A reduce the fuel feeding of main engine of inner propellerB reduce the fuel feeding of main engine of outer propellerC firstly reduce the fuel of main engine of inner propeller, then reduce the fuel feeding of engine of outer propellerD reduce fuel feeding of two engines at the same time

考题 单选题In the navigation, cause the shafting over load most easily()A stopping the main engine suddenlyB changing the main engine running direction suddenlyC the sailing from the shallow water area to the deep water areaD the ship’s trim too much

考题 单选题If anything abnormal be found on the load change of main engine when the ship is entering in shallow waterway, before taking measuring the engineer on duty should ()A stop main engine immediatelyB ask the captain and the chief engineer’s permission for stopping the engineC initiatively inquire the bridge for the situationD stop engine and inform bridge

考题 单选题Among the main propulsion units on board the ship with the same capacity, the lightest one is().A steam engineB steam turbineC gas turbineD diesel engine

考题 单选题When ship is fouled, increasing the fuel injection for keeping the normal speed will cause the main engine ()A to work as overload characteristicB overspeedC over mechanical load onlyD over thermal load only

考题 单选题Suppose the rated capacity of the main engine of a ship is 10,000 KW at 100 rated rpm, then when at 80 rpm its capacity should be ().A 800 KWB 5120 KWC 6400 KWD 4180 KW

考题 单选题Why a gearbox is needed in a ship driven by a medium-speed diesel engine?()A To reduce the main engine speedB To increase the main engine speedC To govern the main engine speedD To fix the propeller shaft

考题 单选题The SOLAS convention about “passenger ship and dried food ship damage control” prescribes that the engine room emergency bilge water suction should connect with ()A the main S-W pumpB ballast pumpC air-conditioning water pumpD the main S-W pump or ballast pumps that have the biggest output

考题 单选题When a ship is fully loaded, it needs to prevent the main engine to be().While a ship is fully empty, it needs to prevent the main engine to be().A overspeed;overloadB overload;overspeedC over mechanical load;over thermal loadD over torque;overspeed

考题 单选题Whether a ship is sailing before the wind or sailing in the rough sea, we must reduce the fuel injection of the main engine.For the former one, it aims to prevent the main engine being(), while for the later one, it aims to prevent the main engine being().A overspeed;overloadB overload;overspeedC over torque;overspeedD low mechanical efficiency;overload

考题 单选题The load limitation of governor should be reduced when ship navigating at sea, the main reason is to()A prevent the diesel engine surgingB prevent governor from being damaged because of swingC reduce the probability of the crank shaft being torsional vibrated and resonatedD prevent the main engine being overload or overspeed

考题 单选题Electric cargo winches have an overload safety device which normally cuts the current to the winch motor().A after torque causes line pull to exceed the rated capacity of the winchB before the line pull reaches the rated capacity of the winchC when the line pull reaches the breaking strength of the fallD before the safe working load of the fall is reached

考题 单选题In motor ship, () is often used to recover some of the heat carried in the exhaust gases from the main engine.A an diesel oil heaterB a waste heat boilerC a fresh water generatorD all the above

考题 单选题Maximum horsepower of a diesel engine is attained ().A when the engine RPM is pulled down by overloadB at rated engine RPMC at 95 % of rated engine RPMD at 95 % of a properly adjusted governor RPM with the engine under full load

考题 单选题When the ship, its main propulsion device equipped with clutch, arrived at the port and finished with the engine, the correct operation should be()A disengaging the clutch firstly, then stopping the main engineB stopping the main engine firstly, then disengaging the clutchC stopping the cooling water pump firstly, then stopping the main engineD stopping the main engine and disengaging the clutch at the same time

考题 单选题A restricted air intake to a diesel engine may result in the engine ().A failing to reach rated speedB knocking under maximum loadC hunting or surging under light loadD overspeeding and running away

考题 单选题When a ship is entering to narrow waterway and the fuel feeding of the main engine is keeping unchanged, which of the following is the wrong conclusion?()A the power of main engine will be reducedB exhaust temperature will be increasedC the speed of the ship will be reducedD the propulsion characteristic of propeller will keep unchanged

考题 单选题Which is false about engine trials?()A engine trails should be done after finishing the operation of turning the engine with the turning gear and starting the engine on air brieflyB in the operation of engine trails, the main engine should be running in low-speedC As to the ship equipment with twin main engine, engine trials should be done with one engine ahead and another engine astern at the same timeD the order “engine trials” should be given by the bridge

考题 单选题Fuel oil transfer systems used onboard diesel propelled vessels are required to have ().A two fuel oil transfer pumps provided where one is to be independent of the main engineB two fuel oil transfer pumps, with a combined capacity exceeding the maximum consumption of the main engineC engine driven transfer pumps and only used in constant speed applicationsD the capacity of the engine driven pump exceed the consumption rate of the engine to which it is attached

考题 单选题I hereby request permission()the ship’s main engine for routine maintenance.A immobilizeB to immobilizeC immobilizationD immobilizing

考题 单选题According to the Robinson Graph, suddenly astern maneuvering of main engine during navigating will cause()A rapid reduction of ship’s friction forceB shaft system over mechanical loadC sharp growth of the torque of diesel engineD propeller torque change along J=0 curve

考题 单选题Prior to a ship’s departure, () may not always be tested.A fire fighting pumpB the steering gearC life boat engineD the main engine