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)

The pressure of the hose is too low.()

  • A、压载水压力太低。
  • B、水龙压力太低。
  • C、水龙压力太高。
  • D、压载水压力太高。

参考答案

更多 “The pressure of the hose is too low.()A、压载水压力太低。B、水龙压力太低。C、水龙压力太高。D、压载水压力太高。” 相关考题
考题 All the big company’s trading partners come under _______ pressure to turn into E-businesses too. (A) intensify(B) intense(C) integral(D) internal

考题 Not only I but also James and Lucy_______afraid of having too much pressure. A.isB.areC.be

考题 The pressure of too much homework has led to an evident _______ among the students.A. shortageB. minimumC. refusalD. decline

考题 Sweating of the refrigeration system compressor crankcase is caused by_______ .A.too much superheatB.insufficient superheatC.suction pressure too lowD.excessive refrigerant returning to the compressor

考题 Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?A.Test the pressure gauge for correct readingB.Weigh the cartridgeC.Replace the dry chemicalD.Pressure test the discharge hose

考题 Which statement about stowing spare hose is TRUE ________.A.Fold the hose so that the male coupling is about 4 feet from the female coupling,then roll it upB.Roll the hose starting at the female endC.Roll the hose starting at the male endD.Fold the hose into lengths about 6 feet long and then lash the folds together

考题 Each hose used for transferring vapors must ______.A.have a design burst pressure of at least 25 psigB.be capable of withstanding at least 2.0 psi vacuum without collapsing or constrictingC.be electrically continuous with a maximum resistance of ten thousand ohmsD.All of the above

考题 Reid vapor pressure is ______.A.exerted by liquid cargo on the sides of a tankB.exerted by liquid cargo on a cargo hose bodyC.the lowest temperature and pressure that will cause a flammable liquid to give off vaporsD.a measurement of the amount of flammable vapors given off by a liquid at a certain temperature

考题 单选题Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?()A Test the pressure gauge for correct readingB Weigh the cartridgeC Replace the dry chemicalD Pressure test the discharge hose

考题 单选题Lube oil cannot be efficiently filtered if its ().A viscosity is too lowB temperature is too lowC pump discharge pressure is higher than the systems pressureD pump capacity is greater than the systems needs

考题 单选题Which method listed below is acceptable by classification society to perform hose testing to weather tight hatch covers and closing appliances()A This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 2,0 kgf/cm2. The nozzle diameter is not to be less than 12mm.B This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 3,5 kgf/cm2. The nozzle diameter is not to be less than 5mm.C This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 4,0 kgf/cm2. The nozzle diameter is not to be less than 8mm.D This is to be carried out at a maximum distance of 2,0m with a hose pressure not less than 2,0 kgf/cm2. The nozzle diameter is not to be less than 12mm.

考题 单选题Eating too much fat can devote to heart disease and cause high blood pressure.A attribute toB attend toC distribute toD contribute to

考题 单选题When adding oil to a refrigeration system, precautions must be taken to ensure that ().A the compressor suction pressure is not too highB all air is purged from the pump and charging fittingsC the high pressure cutout switch is held open to prevent accidental startingD the condenser is completely shutdown first

考题 单选题Which of the following may lead to the engine NOT to start on air?()A starting air pressure too highB correct timing of starting air valvesC three of the six starting valves stuckD the turning gear disengaged

考题 单选题Which statement about stowing spare hose is TRUE().A Fold the hose so that the male coupling is about 4 feet from the female coupling,then roll it upB Roll the hose starting at the female endC Roll the hose starting at the male endD Fold the hose into lengths about 6 feet long and then lash the folds together

考题 单选题Maintaining the lowest possible scavenging air temperature at all times is not recommended due to the possibility of the ().A air charge density becoming too highB piston crown surfaces becoming too coldC formation of excessive quantities of condensateD compression pressure being greatly reduced

考题 单选题The pressure of the hose is too low.()A 压载水压力太低。B 水龙压力太低。C 水龙压力太高。D 压载水压力太高。

考题 单选题If you have high blood pressure, you should _____ eating too much salt.A escapeB suggestC avoidD relieve

考题 单选题As is well known, eating too much fat can _____ heart disease and cause high blood pressure.A add toB attend toC contribute toD apply to

考题 单选题If the head pressure is too high,()A the relief valve should open before the high-pressure cutoutB the relief valve should open and let excess refrigerant go to receiverC the high-pressure cutout switch should operate before the relief valve opensD close in on the suction valve

考题 单选题If fuel injection to a four-stroke/cycle diesel engine begins earlier than designed, ignition may be delayed because the ().A cylinder compression pressure may not be high enoughB cylinder compression temperature may be too highC fuel oil injection pressure may not be high enoughD scavenge and purge process is incomplete

考题 单选题Sweating of the refrigeration system compressor crankcase is caused by ().A too much superheatB insufficient superheatC suction pressure too lowD excessive refrigerant returning to the compressor

考题 单选题Flexible hose under pressure in a hydraulic system will ().A tend to twist about its long axisB expand in length and in diameterC contract in length and expand in diameterD flex at right angles to the applied pressure

考题 单选题If you have high blood pressure, you should_____eating too much salty food.A escapeB suggestC avoidD relax

考题 单选题A diesel engine will lose power if fuel injection occurs too late in the cycle, because the()A fuel droplets will burn as they leave the fuel injectorB fuel will not be properly atomized in the cylinderC maximum expansion of the burned fuel cannot take place in the cylinderD compression pressure will be too low to cause fuel ignition

考题 单选题According to regulations,a cargo hose used for transferring liquefied gases must have a bursting pressure of().A 5 times the maximum working pressure on the hose during cargo transferB one half the designed working pressureC 4 times the pressure of the cargo pump used for transferringD 5 times the minimum working pressure on the hose during cargo transfer

考题 单选题Each hose used for transferring vapors must().A have a design burst pressure of at least 25 psigB be capable of withstanding at least 2.0 psi vacuum without collapsing or constrictingC be electrically continuous with a maximum resistance of ten thousand ohmsD All of the above