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
Which statement concerning the collection of fresh water is FALSE?()
A

Fresh water may be obtained from fish

B

Lifeboat covers or canopies should be washed with rain before drinking water is collected

C

Fresh water may be collected from condensation inside the liferaft

D

Seawater should never be consumed


参考答案

参考解析
解析: 暂无解析
更多 “单选题Which statement concerning the collection of fresh water is FALSE?()A Fresh water may be obtained from fishB Lifeboat covers or canopies should be washed with rain before drinking water is collectedC Fresh water may be collected from condensation inside the liferaftD Seawater should never be consumed” 相关考题
考题 Prior to getting underway in fresh or brackish water,the Master must ______.A.log the density of the waterB.secure all overboard dischargesC.take on fresh water ballastD.clean the sides with fresh water

考题 Which statement concerning carbon dioxide is FALSE ________.A.It displaces the oxygen in the airB.It cannot be seenC.It cannot be smelledD.It is safe to use near personnel in a confined space

考题 Which statement is TRUE concerning the flash point of a substance ________.A.It is lower than the ignition temperatureB.It is the temperature at which a substance will spontaneously igniteC.It is the temperature at which a substance,when ignited,will continue to burnD.It is the temperature at which the released vapors will fall within the explosive range

考题 ______is the number of millimeters by which the mean draft changes when a ship passes from salt water to fresh water,or vice versa,whilst floating at the loaded draft.A.TPCB.The Fresh Water AllowanceC.Parallel sinking of the shipD.UKC

考题 After being launched from a vessel, totally enclosed survival craft which have been afloat over a long period require ______.A.frequent opening of hatches to permit entry of fresh airB.regular checks of bilge levelsC.use of ear plugs to dampen engine noiseD.frequent flushing of the water spray system with fresh water

考题 Which statement is true for the class java.util.HashSet? () A、 The elements in the collection are ordered.B、 The collection is guaranteed to be immutable.C、 The elements in the collection are guaranteed to be unique.D、 The elements in the collection are accessed using a unique key.E、 The elements in the collections are guaranteed to be synchronized.

考题 Which statement is true about XpauseTarget in Oracle JRockit JVM ? ()A、 This option is supported by all type of Garbage collection modes.B、 This option is only supported by Generational Garbage Collection mode.C、 This option is only supported by Mark and Sweep Garbage Collection mode.D、 This option is only supported by Dynamic Garbage Collection mode.

考题 Which of these statements concerning the collection interfaces are true?()  A、Set extends Collection.B、All methods defined in Set are also defined in Collection.C、List extends Collection.D、All methods defined in List are also defined in Collection.E、Map extends Collection.

考题 单选题The domestic fresh water pump starters are controlled by pressure switches which operate when the pressure in the tank varies within predetermined limits as water is drawn offThe word “which” means ().A startersB pressure switchesC pressureD water

考题 单选题Which statement concerning the collection of fresh water is FALSE?()A Fresh water may be obtained from fishB lifeboat covers or canopies should be washed with rain before drinking water is collectedC Fresh water may be collected from condensation inside the life-raftD Freshwater cannot be produced from standing seawater

考题 单选题The fresh water generator produces fresh water ().A by cooling sea waterB by heating sea waterC by evaporation of sea waterD by purifying sea water

考题 单选题After being launched from a vessel,totally enclosed survival craft which have been afloat over a long period require().A frequent opening of hatches to permit entry of fresh airB regular checks of bilge levelsC use of ear plugs to dampen engine noiseD frequent flushing of the water spray system with fresh water

考题 单选题In a domestic fresh water system, the pump starters are controlled by () switches which operate when the pressure in the tank varies within predetermined limits as water is drawn off.A water levelB water flowC temperatureD pressure

考题 单选题Which of the following statements concerning the water tube and fire tube boilers is not true?()A natural circulation of the water in the water tube boiler is better than that in the fire tube boilerB for the same output the water tube boiler will carry less mass of water compared with the fire tube boilerC the water tube boiler will cost shorter time for steam raisingD the water tube boiler require lower skill in operating and maintaining

考题 单选题The main engine is cooled with fresh water ()is added suitable small quantities of chemicals to prevent corrosion.A in whichB on whichC to whichD by which

考题 单选题Under the regulations for cargo vessels,which statement is TRUE concerning fireman’s outfits?()A If a vessel carries two outfits,they may be stored in the same locationB Each fireman's outfit shall contain a flame safety lamp of an approved typeC Each fireman's outfit shall contain a fresh-air breathing apparatusD All of the above

考题 单选题Which statement is true about XpauseTarget in Oracle JRockit JVM ? ()A  This option is supported by all type of Garbage collection modes.B  This option is only supported by Generational Garbage Collection mode.C  This option is only supported by Mark and Sweep Garbage Collection mode.D  This option is only supported by Dynamic Garbage Collection mode.

考题 多选题Which of these statements concerning the collection interfaces are true?()ASet extends Collection.BAll methods defined in Set are also defined in Collection.CList extends Collection.DAll methods defined in List are also defined in Collection.EMap extends Collection.

考题 单选题Which statement is true for the class java.util.ArrayList?()A  The elements in the collection are ordered.B  The collection is guaranteed to be immutable.C  The elements in the collection are guaranteed to be unique.D  The elements in the collection are accessed using a unique key.E  The elements in the collections are guaranteed to be synchronized.

考题 单选题Which of the following statements is true concerning an oil cooler?()A The oil temperature is less than the cooling water temperatureB The oil pressure is less than the cooling water pressureC The oil pressure is greater than the cooling water pressureD The oil flow control valve is always installed in the oil input line

考题 单选题Living in the western part of the country has its problems, ______ obtaining fresh water is not the least.A with which B for which C of which D which

考题 单选题In motorships,there are two main circuits, ().A one salt water, one fresh waterB one salt water, one fuelC one fresh water, one fuelD one steam, one fuel

考题 单选题Which statement concerning the handling characteristics of a fully loaded vessel as compared with those of a light vessel is FALSE?()A A fully loaded vessel will be slower to respond to the enginesB A fully loaded vessel will maintain her headway furtherC A light vessel will be more affected by the windD A light vessel lose more rudder effect in shallow water

考题 单选题In a central cooling system, used in some modem ships, sea water is supplied to cool ()which will circulate to other individual cooler, greatly reducing the corrosion problems.A main bearingsB sea waterC cooling oilD lower temperature fresh water

考题 单选题Allowance for fresh water refers to().A the provision to be provided when the vessel sails in fresh water areaB the fresh water to be carried by a vesselC the allowance of fresh water for each crew member when in distress at seaD the amount of free board decreased when sailing in fresh water area

考题 单选题Prior to getting underway in fresh or brackish water,the Master must().A log the density of the waterB secure all overboard dischargesC take on fresh water ballastD clean the sides with fresh water

考题 单选题Which of the following statements is correct relative to distillation plant operation?()A Distillation is the process of boiling seawater to produce vapor which is condensed into fresh waterB Evaporation is the second part of the distillation process where brine is removedC Brine is the result of condensed sea water vaporD Distillate is the product resulting from the evaporation of fresh water vapor