搜题
用户您好， 请在下方输入框内搜索其它题目：
搜题
题目内容 （请给出正确答案）
提问人：网友 发布时间：
【单选题】

Cooling of engine is achieved by circulation a cooling liquid around internal passages within the （）.

A、boiler

B、heater

C、engine

D、cooler

查看正确答案
更多“Cooling of engine is achieved by circulation a cooling liquid around internal passages within the （）.”相关的问题
第1题
[单选题] Which of the following statements is correct concerning diesel engine cooling water systems?（）

A、Each engine must have its own engine driven cooling water pump capable of providing cooling for all ranges of operation  B、propulsion engines with bores exceeding 200 mm are to be fitted with a means to display the cooling water temperature of each cylinder  C、At least two independent sea suctions are to be provided for supplying water to the engine jackets or to the heat exchangers  D、Suitable strain are to be fitted between the circulating pumps and heat exchangers when sea water is used for direct cooling  

点击查看答案
第2题
[单选题] Where is the cooling water from the compensating tank in the cooling water system of main engine lead to?（）

A、discharge side of the centrifugal pump  B、suction side of the centrifugal pump  C、the lowest point of the cooling water system  D、inlet of the main engine  

点击查看答案
第3题
[单选题] Why the cooling water of the diesel engine should be treated? Because the（）

A、Cooling water is alkalescence  B、cooling water is acidity  C、cooling water has salinity  D、cooling water has impurity  

点击查看答案
第4题
[] During the running of the diesel engine, if the supply of cooling water is interrupted or the temperature of cooling water out of the cylinder is too high, the duty engineer should （）

A、A.notify the duty officer, reduce the engine speed, take some measures to remove failures  B、B.notify the duty officer and stop the engine immediately, find the cause and remove failures  C、C.notify the C/E  D、D.notify the captain  

点击查看答案
第5题
[单选题] If the jacket water temperature in an auxiliary diesel engine cooling system is lower than normal, the probable cause is （）

A、air binding of the engine cooling system  B、a cracked water cooled exhaust manifold  C、blockage in the heat exchanger  D、faulty operation of the thermostat  

点击查看答案
第6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  

点击查看答案
第7题
[单选题] Which of the following statements is correct for the design and installation of diesel engine cooling water systems?（）

A、An alarm device with audible and visible signals is required for all cooling water systems  B、Propulsion engines with bores over 200 mm are to be fitted with cooling water jackets  C、Each totally enclosed cooling system shall be provided with a suitable head tank  D、Drain cocks are to be provided at the lowest points of all cylinder water jackets  

点击查看答案
第8题
[单选题] The purpose of treating the cooling water of the diesel engine is to（） Ⅰ. resist the scale formation in the cooling chamber Ⅱ.lubricate the engine part Ⅲ.increase thermal capacity Ⅳ.resist corrosion

A、Ⅰ+Ⅱ  B、Ⅱ+Ⅲ  C、Ⅲ+Ⅳ  D、Ⅰ+Ⅳ  

点击查看答案
第9题
[] In the process of the stand-by, warm-up the engine usually through give preheat of which parts of the diesel engine?（）

A、A.cooling water of the cooling system  B、B.fuel of the FO system  C、C.LO of the LO system  D、D.cooling water of the cooling system and LO of the LO system  

点击查看答案
账号：
答题记录 我的收藏 我的题库
客服
TOP

请使用微信扫码支付

订单号：
遇到问题请联系在线客服