A high temperature alarm or （） which will melt is used to guard against the explosion of compressor air pipelines.

相似题目

• High firing pressures and a low exhaust temperature in a diesel engine may result from （）.

  A . decreased piston to cylinder head clearance B . increased exhaust system back pressure C . early fuel injection timing D . low scavenge air temperature

  查看最佳答案

• If the cooling water temperature and the lube oil temperature in a diesel engine are too high, the cause can be （）

  A . a dirty lube oil strainer B . internal water leaks C . an oil suction line restriction D . excessive wears of the cooling water pum

  查看最佳答案

• If a diesel engines exhaust temperature is abnormally high, the cause could be（）

  A . too light of a load B . injection timing is too early C . overloading of the engine D . too low of a compression ratio

  查看最佳答案

• What is the minimum number of virtual I/O server partitions needed to ensure high availability of the disks when utilizing the Virtual I/O server in a micro-partitioned solution？（）

  A . 1 B . 2 C . 3 D . 4

  查看最佳答案

• High lube oil temperatures developing in a diesel engine can result from（）

  A . high oil pressure B . excessive bearing end play C . plugged oil control rings D . engine overload

  查看最佳答案

• High speed aircraft is made of metals that can（）both high temperature and pressure.

  A . stand by B . put up with C . withhold D . withstand

  查看最佳答案

• If the overflow tank high-level alarm sounds while the fuel oil tanks are being topped off, the engineer should （）.

  A . close the static leg filling valve B . close the overflow tank falling valve C . reduce the fuel oil pumping rate D . stop the fuel oil pumping operatio

  查看最佳答案

• A crew member reports that the high-pressure alarm light of a low-pressure CO2 fixed fire extinguishing system is illuminated. The most probable cause of this condition would be that（）.

  A . an air leak has developed in the tank B . the tank cooling system has malfunctioned C . the pilot cylinder discharge valve is leaking D . an excessive amount of insulation has been installed on the tank and piping

  查看最佳答案

• In the management of the shafting, because（） carry heavy load and caused high temperature easily, it should be paid attention.

  A . the bearing near to the diesel engine B . the intermediate bearing near to the thrust bearing C . the intermediate bearing near to the sterntube D . the bearing located at the middle of the diesel engine and the sterntube

  查看最佳答案

• In a diesel engine cooling system, the high temperature alarm contact maker will be activated on excessively high water discharge temperature from the （）

  A . raw water pump discharge B . expansion tank outlet C . cooling water heat exchanger D . outlet engine jacket water outlet

  查看最佳答案

• High exhaust temperatures from all of cylinder of a turbocharged, four-stroke/cycle diesel engine can be caused by an（）

  A . inoperative turbocharger B . inadequate fuel supply C . overload on one cylinder D . unequal load distributio

  查看最佳答案

• The tendency for lubricating oil to thin out at high temperatures and thicken at low temperatures will be characterized by a （）.

  A . low viscosity index B . high viscosity index C . high neutralization number D . low demulsibility quality

  查看最佳答案

• 告警解释辅助字段“TEMPERATURE ALARM”，其告警解释是指某个温度探头探测到温度超过设定阈值，规范设置值为（）

  查看最佳答案

• A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.

  A . reduce the engine load B . increase the cooling water flow C . increase the lube oil pressure D . adjust the fuel rack

  查看最佳答案

• Which of the conditions listed would cause simultaneous high cylinder firing pressure and low exhaust temperature?（）

  A . Improper fuel rack positioning B . Lengthy opening of the exhaust valve C . Excessively early injection timing D . Extended light load operatio

  查看最佳答案

• Tell the engineer on duty to keep close watch over the machine （）temperature is sometimes a bit too high.

  A . which B . what C . that D . whose

  查看最佳答案

• If the temperature in the icebox is too high, the trouble could be（）

  A . a clogged scale trap B . air in the system C . automatic controls not functioning properly D . insufficient cooling water to the condenser

  查看最佳答案

• High diesel engine cooling water temperatures can be caused by （）.

  A . a worn water pump B . not enough coolant C . air in the cooling system D . all of the above

  查看最佳答案

• If both the “high level” and “low level” alarms come on for the same address of a centralized control console, the most likely problem is a/an （）.

  A . sensor failure B . failed alarm C . low level D . extremely high level

  查看最佳答案

• One remedy for a high firing pressure, in addition to a high exhaust temperature in one cylinder of a diesel engine, is to （）

  A . increase scavenge air pressure B . reduce fuel booster pump pressure C . adjust the fuel rack D . retard fuel injector timing

  查看最佳答案

• High cylinder firing pressure, accompanied by low exhaust temperature, can result from （）

  A . improper fuel rack positing B . lengthy exhaust valve duration C . extend operation at light load D . excessively early injection timing

  查看最佳答案

• Dispose of batteries properly. Do not throw them into fire or＿ high temperature.

  A、put to B、expose to C、adapt to D、confine to

  查看最佳答案

• The process to form copper pieces into various shapes with a hammer according to a design, joining them under high temperature is called filigree welding.

  查看最佳答案

• You can see the ball __ when the temperature is high.

  A.expand B.extend C.stretch

  查看最佳答案