Water Pump之中文名称为水泵.
Water Pump之中文名称为水泵.
相关考题：
Will we connect the motor with the fresh water pump? No, the pump is ( )_A.in good orderB.out of orderC.works well
If the feed pump for an auxiliary boiler fails to deliver the feed water to the boiler, the cause may be ______.A.high steam pressure in the boilerB.abnormally high feed-water temperatureC.abnormally high boiler water temperatureD.steam demand exceeding feed pump capacity
A centrifugal pump may fail to deliver water when first started if the ______.A.water seal pipe is pluggedB.pump is not primedC.seal ring is properly locatedD.impeller is flooded
单选题The motor for the fresh water pump （）.Aneed to repairBneed to be repairedCneeds to repairDneeds repairing
单选题A water pump can not supply water after startingIt may be caused by （）.Aclosed discharge valveBbroken pipe lineCworn shaftDboth A and B
单选题A centrifugal bilge pump requires priming （）.Aprimarily to lubricate the shaft sealsBdue to the inability of this type of pump to lift water to cover the suction (eye) of the impellerCto initially unload the pump by having its head pressure equal to discharge pressureDin order to overcome the potential energy of water in the discharge line
单选题The （）pump is usually used as the bilge feed pump to an oily water separator.AturbineBscrewCvaneDejector
单选题Which pump installation would require an external source of sealing water?（）AMain circulator pump jacket water coolingBSalt water service pumpCAuxiliary condensate pumpDBilge pump
单选题One of the main functions of wearing rings, as used in a centrifugal pump, is to （）.Amaintain radial alignment between the pump impeller and casingBabsorb all impeller shaft end thrustCprevent water leakage to the atmosphereDprevent wear of the pump casing and/or impeller
单选题Cooling water pumps driven by direct reversing diesel engines are usually of the straight impeller vane type pump with a concentric housing to（）Afacilitate bi-directional operationBprovide the greatest pump efficiencyCprevent pump clogging from marine growthDprevent cavitation at the pump outlet
单选题The highest pressure in any closed diesel engine freshwater cooling system is at the （）.Ajacket water outletBexpansion tank inletCheat exchanger inletDcooling water pump outlet
单选题In a diesel engine cooling system, the high temperature alarm contact maker will be activated on excessively high water discharge temperature from the （）Araw water pump dischargeBexpansion tank outletCcooling water heat exchangerDoutlet engine jacket water outlet
单选题（）belongs to emergency power supplying equipments.AEmergency fire pumpBWindlassCMain sea water pumpDFresh water pump
单选题The most suitable pump for oily water separator feed duties is （）.Aa reciprocating pumpBa vane pumpCa centrifugal pumpDa triple screw pump
单选题In a vacuum boiling evaporator, the fresh water generated is pumped out by （）.Aa brine pumpBan air ejectorCa feed water pumpDa condensate pump
单选题The boiler feed pump discharge pressure is higher than the steam drum pressure to （）.Aensure feed water flow into the boilerBkeep the steam drum pressure highCprevent water hammer in the feed lineDhelp the feed water flash to steam
单选题To thoroughly pump out the bilges using a horizontally mounted centrifugal pump, the （）.Apump must always be primedBvolute must impart a radial and rotary motion of the water suction sideCconnection must guide the liquid to the lantern ringsDstuffing box should not be allowed any water leakage
单选题Lube oil in the fresh water cooling system of a diesel engine may result from a （）Acamshaft seizureBlube oil pump failureClube oil cooler failureDlube oil pump overflow
单选题Water accumulation in the cylinder of a secured engine is an indication that the （）Asoft water pump was not secured along with the engineBjacket water thermostat has failedCcylinder liner may be crackedDraw water pump is over-speeding just prior to engine shutdown
单选题If the feed pump for an auxiliary boiler fails to deliver the feed water to the boiler, the cause maybe （）.Ahigh steam pressure in the boilerBabnormally high feed water temperatureCabnormally high boiler water temperatureDsteam demand exceeding feed pump capacity