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
A level gauge for a tank is to ().
A

give the pressure

B

give the contents

C

give the shape of the tank

D

give the accuracy level


参考答案

参考解析
解析: 暂无解析
更多 “单选题A level gauge for a tank is to ().A give the pressureB give the contentsC give the shape of the tankD give the accuracy level” 相关考题
考题 The water level in the gauge glass when a boiler is operating is _____ when the boiler is shut down.A.lower thanB.higher thanC.belowD.equal to

考题 In the following statements about the principle of the low level controlling, which is WRONG? 0 A.Low level is monitored on the drain tank and header tank.B.If there is high differential the filters pressure across the circulatingpumps is alarmedC.The lubricating oil purifier cannot take oil from the drain tankD.If the sea water pressure falls, this also operates an alarm

考题 ( )is monitored on the drain tank and header tank by magnetic switches with a 20seconds delay to prevent false alarms due to surging A.Low pressure of the lubricating oilB.Low level of the lubricating oilC.High temperature of the lubricating oilD.High temperature of the cooling water

考题 The water level showing in a boiler water gauge glass is usually ( ) duringworking.A.higher than the actual drum water levelB.equal to the actual drum water levelC.increasing due to steam condensation in the glassD.lower than actual drum wafer level

考题 The amount of LFG that may be loaded into a given tank is determined by ______.A.Checking the loading sheetB.Loading to within 1 percent of outageC.Loading to within 10 percent of the safety relief valve settingD.Filling to the maximum level indicated on the liquid level gaging device

考题 When removing the cap from a sounding tube on a ship,the sound of air escaping indicates the tank ______.A.Is fullB.May be partially floodedC.Level has droppedD.Is completely flooded

考题 Which statement about inert gas pressures in a cargo tank is TRUE ________.A.The pressures of the inert gas in the tank may create excessive pressure at the pump while dischargingB.Gas pressures should be maintained at the highest permissible level throughout the discharging processC.High gas pressures may cause pyrophoric oxidation in the tankD.High gas pressures may cause loss of suction when stripping

考题 You are planning to use a crude oil washing system.What precaution must be taken with the tank as the source for the washing machines ________.A.It must be debottomed and the level lowered by at least one meterB.The oil in the source tank must be sampled for compatibilityC.The source tank must have been crude oil washed at least once in the past 150 daysD.The inert gas system must lower the oxygen content to a maximum of 12% oxygen in the tank

考题 单选题Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increasedYou therefore should suspect ().A condensation in the fuel tankB a crack in the hull portion of the fuel tankC a load of bad fuelD contamination from the saltwater flushing system

考题 单选题In a closed cooling system for a turbocharged, four-stroke/cycle diesel engine, fluctuating water pressure can be caused by ()A improper venting of the cooling systemB carrying the expansion tank water level too highC a totally clogged impeller in the cooling water pumpD an incorrectly set cooling system temperature control

考题 单选题The expansion tank in a diesel engine closed freshwater cooling system is located at ()A the highest point in the systemB the lowest point in the systemC near the floorD plate level or near the tank top level

考题 单选题Before a tank is to be crude oil washed,the oxygen content in the tank must be measured at a position().A immediately above the level of the oilB at the top of the tankC in the vent riserD one meter from the deck

考题 单选题The amount of LFG that may be loaded into a given tank is determined by().A checking the loading sheetB loading to within 1 percent of outageC loading to within 10 percent of the safety relief valve settingD filling to the maximum level indicated on the liquid level gaging device

考题 单选题During the diesel engine running, the water level of FW expansion tank should normally kept in the () level of glass tube.A the highestB above 3/4C 1/2-3/4D the lowest

考题 单选题If the low level alarm of the diesel fuel day tank fails to function, you can expect trouble from()A overheated injection pumpsB water condensed in the cylindersC fuel dilution of the lube oilD air in the fuel system

考题 单选题()can cause oil flow from sludge outlet of self cleaning separator.A Too much sludge accumulated in separator bowlB Diameter of gravity disc too largeC High level tank lack of waterD Oil input too rapidly

考题 单选题A compound gauge is typically installed on the ().A suction side of a bilge pumpB exhaust manifold of an auxiliary dieselC discharge line from an air compressorD chemical feed tank of an evaporator

考题 单选题A vessel loads edible oil in a deep tank through a manhole at the midlength of the tank. In order to fill the tank to maximum capacity,what trim should the vessel have?()A Down by the bowB Down by the sternC Down by either the bow or sternD In level trim

考题 单选题If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a ().A loss of suction in the circulating pumpB leak in the primary cooling systemC broken raw water pump shaftD burned or cracked piston in one cylinder

考题 单选题In a closed diesel engine freshwater cooling system, the amount of coolant flowing through the heat exchanger is controlled by the ().A suction pressure regulatorB thermostatic bypass valveC sea water temperatureD water level in the expansion tank

考题 单选题The water level showing in a boiler water gauge glass is usually () during working.A higher than the actual drum water levelB equal to the actual drum water levelC increasing due to steam condensation in the glassD lower than actual drum water level

考题 单选题During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.A the highestB above 3/4C 1/2 -3/4D the lowest

考题 单选题When checking the liquid level in a tank, you should position yourself ().A on the windward side of the openingB on the leeward side of the openingC at a right angle to the wind directionD so that the obstruction of your body will protect you from the fumes

考题 单选题The system will include various () such as low tank level alarms and remote operation of tank outlet valves in the events of a fire.A SwitchesB panelsC alarm unitsD safety devices

考题 单选题The water level in the gauge glass when a boiler is operating is () when the boiler is shut down.A lower thanB higher thanC belowD equal to

考题 单选题When a boiler is operating, the water level in the gauge glass reads () when the boiler is shut down.A lower thanB higher thanC as much asD the same as

考题 单选题A rectangular fish tank has a base 2 feet wide and 3 feet long. When the tank is partially filled with water, a solid cube with an edge length of 1 foot is placed in the tank. If no overflow of water from the tank is assumed, by how many inches will the level of the water in the tank rise when the cube becomes completely submerged?A 1/6B 1/2C 2D 3E 4