单选题Once all cylinders are firing regularly, （） is shut off.Athe exhaust valveBthe starting airCthe inlet valveDthe fuel oil
单选题
Once all cylinders are firing regularly, （） is shut off.
A
the exhaust valve
B
the starting air
C
the inlet valve
D
the fuel oil
参考解析
解析：
暂无解析
相关考题：
The law requires all cars () for safety and efficiency. A.being tested regularlyB.to be regularly testedC.be regularly testedD.regularly tested
It is naive to expect that any society can resolve all the social problems it is faced with _______ .A for long B in and out C once for all D by nature
What is a FALSE statement concerning the line throwing appliance on a vessel ().A.A drill on its use must be held once every three monthsB.The actual firing is at the discretion of the MasterC.The auxiliary line must be of a light colorD.The auxiliary line must be at least 500m long
We now know that about ____ of all the kinds of seaweed are animals.A: one fourB: once fourC: once fourthD: one fourth
It seemed as if all of a ______the animal had smelt danger in the air.A、suddenB、momentC、minuteD、once
The citizens had no food supply when all the ( ) to this city had been cut off. A.approachesB.routesC.itinerariesD.leads
You have three production databases, HRDB, FINDB, and ORGDB, that use the same ASM instance. At the end of the day, while all three production database instances are running, you execute the following command on the ASM instance :SQL shutdown immediate;What is the result of executing this command?（）A. The ASM instance is shut down, but the other instances are still running.B. It results in an error because other database instances are connected to it.C. All the instances, including the ASM instance, are shut down in the IMMEDIATE mode.D. HRDB, FINDB, and ORGDB instances are shut down in the ABORT mode and the ASM instance is shut down in the IMMEDIATE mode.
If some of the cylinders are not firing, the ones affected may be determined by watchingA.the exhaust temperatureB.the exhaust pressureC.the governorD.the fuel flow meter
To prevent the spread of fire by conduction, you should ______.A.cool the bulkheads around the fireB.remove combustibles from direct exposureC.close all openings to the areaD.shut off all electric power
When the dew point of the outside air is lower than or equal to the dew point of the air in the cargo hold，you should ______.A.secure all ventilationB.shut down the exhaust blowersC.shut down the intake blowersD.ventilate the cargo holds
You have three production databases, HRDB, FINDB, and ORGDB, that use the same ASM instance. At the end of the day, you execute the following command on the ASM instance to shut down: SQL shutdown immediate; What is the result of executing this command?（）A、All the instances, including the ASM instance, are shut down in the ABORT modeB、The ASM instance is shut down, but the other instances are still running C、The ASM instance is still functional, but the other instances are shut down D、All the instances, including the ASM instance, are shut down in the IMMEDIATE mode. E、HRDB, FINDB, and ORGDB instances are shut down in the ABORT mode and the ASM instance is shut down in the IMMEDIATE mode F、HRDB, FINDB, and ORGDB instances are shut down in the NORMAL mode and the ASM instance is shut down in the IMMEDIATE mode
Your archive-log destination directory runs out of space. What is the impact of this on the database？（） A、 None. The database will switch over to the stand-by archive-log destination directory.B、 A warning message will be written to the alert log of the database，but no adverse impacts to the database will be experienced.C、 The database will shut down，and will not restart until you correct the out-of-space situation.D、 The database will continue to try to write to the archive-log destination directory for one hour. After one hour，the database will shut down normally.E、 Once Oracle has cycled through all online redo logs，it will stop processing any DML or DDL until the out-of-space condition is corrected.
A user is reporting that a PC will suddenly shut down without warning. The PC boots up with no problems, but after using the PC for a short time, the PC turns off. Which of the following components should the technician check?（） (Select TWO).A、CPU fanB、RAMC、Hard driveD、Power supplyE、Video card
What is true about sequences?（）A、Once created, a sequence belongs to a specific schema.B、Once created, a sequence is linked to a specific table.C、Once created, a sequence is automatically available to all users.D、Only the DBA can control which sequence is used by a certain table.E、Once created, a sequence is automatically used in all INSERT and UPDATE statements.
单选题Mechanical lubricators for diesel engine cylinders are usually small reciprocating pumps which are （）.Aoperated manually once an hourBoperated until the engine has startedCplaced into operation only at maximum loadDadjustable to meet lubrication requirements
单选题The cooling water jacket is common to all the cylinders but there are often （） to ensure that each cylinder receives the right amount and flow of water.Adividing wallsBdivided wallsCdividing linersDdivided jackets
单选题Which one is true as regards to the hard hat according to the passage?（）AIt needs not to be regularly replacedBIt is designed to protect from possible impactCIt is required to be worn on deck at all times by all shipsDfibreglass hardhat should not be used on board ships
单选题"Scavenging" on a diesel engine means （）.Ainjecting fuel oil into a cylinderBremoving exhaust gases from the cylinderCforcing air into the cylinders under pressure after the exhaust valve has dosedDa combination of all the above
单选题If the action of the engine indicates that some of the cylinders are not firing, the ones affected may be determined by watching （）.Athe bad smokeBthe smoky exhaustCthe exhaust temperatureDthe peak pressure
多选题A user is reporting that a PC will suddenly shut down without warning. The PC boots up with no problems, but after using the PC for a short time, the PC turns off. Which of the following components should the technician check?（） (Select TWO).ACPU fanBRAMCHard driveDPower supplyEVideo card
单选题All of the diesel engine cylinder firing pressures are normal, yet all of the exhaust temperatures are lowWhich of the following situations is responsible for this condition?（）AExcessively early injection timingBCombustion knockCLeaking piston ringsDLight load
单选题Once a scavenge fire is detected, fuel should be shut off from the affected cylinders and cylinder lubrication increased （） the risk of seizure.Ato protectBto guardCto maximizeDto minimize
单选题Which of the listed pre-start procedures should be carried out prior to starting a crosshead type diesel engine after an overhaul?（）APre-lube cylinders with hand cranksBOpen all air space drain cocksCOpen all indicator valvesDAll of the above
单选题The lubrication to the cylinders affected by the fire must be （）to prevent seizure and all scavenge drains must be （）to prevent the discharge of sparks and burning oil from the drains into the engine room.Adecreased；openedBdecreased；shutCincreased；openedDincreased；shut
单选题Some diesel engines are fitted with a thermometer in the cooling water outlet from each cylinderIf the cooling water temperature from all cylinders begins to rise above normal, you should suspect （）Aincrease blow-by in all cylindersBincomplete combustion in all cylinderCoverloading in all cylindersDinsufficient fuel delivery to all cylinders