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Heating Chamber temperature low加

题目

Heating Chamber temperature low加热室温度低

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相似问题和答案

第1题：

If the exhaust gas temperature of the incinerator is too high, or if sparks are developed, What should you do?

A.Close the inlet and outletvalves for diesel oil

B.Open the air nozzles in the secondary combustion chamber until it stops

C.Open the air nozzles in the primary combustion chamber until it stops

D.Close inlet valve for pressurized air


答案：B

第2题：

The desirable properties of a marine fuel oil should include .

A.high flash point and high viscosity

B.low flash point and high viscosity

C.low heating value and high sulphur content

D.high heating value and low sulphur content


正确答案：D

第3题：

Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air conditioning system?

A.Cooling the air to a temperature just above dew point

B.Heating the air to a point at which moisture will boil off ,then re-cooling it

C.Cooling the air to a point below dew point, then reheating it

D.Heating the air and then cooling it to a point below dew point


正确答案：C

第4题：

单选题
One of the purposes for water cooling the exhaust manifold in marine diesel engine is to （）
A

reduce lube oil temperature

B

raise exhaust temperature reduce

C

excessive heating of engine room

D

reduce load on cooling water pump


正确答案： C
解析： 暂无解析

第5题：

单选题
The desirable properties of a marine fuel oil should include（）
A

high flash point and high viscosity

B

low flash point and high viscosity

C

low heating value and high sulphur content

D

high heating value and low sulphur content


正确答案： D
解析： 暂无解析

第6题：

High firing pressures and low exhaust temperature in a diesel engine may resultfrom( ).

A.decreased piston to cylinder head clearance

B.increased exhaust system back pressure

C.early fuel injection timing

D.low scavenge air temperature


正确答案：C
解析：decrease：减少;clearance：间隙
译文：喷油定时过早会引起柴油机爆炸压力偏高、排温偏低。

第7题：

单选题
Around the combustion chamber, all the main components are to give low thermal strains and the smallest, circumferentially symmetric deformations for good sealing between piston rings and liner（）
A

drill cooled

B

hole cooled

C

tube cooled

D

bore cooled


正确答案： A
解析： 暂无解析

第8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 oil

B.Low level of the lubricating oil

C.High temperature of the lubricating oil

D.High temperature of the cooling water


答案：A

第9题：

单选题
In modern installations, the main engine and the standby auxiliary engines（）
A

can be started at low temperature and are free from preheating

B

usually are preheated by steam before being started

C

are kept at a constant temperature and free from preheating

D

are kept at a low temperature to save energy


正确答案： C
解析： 暂无解析

第10题：

单选题
Early injection timing is indicated by （）.
A

high exhaust temperature and low firing pressure

B

high exhaust temperature and high firing pressure

C

low exhaust temperature and low firing pressure

D

low exhaust temperature and high firing pressure


正确答案： C
解析： 暂无解析

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