发布时间 : 星期一 文章问答题标准简答答案修改版更新完毕开始阅读2f9ba5d86f1aff00bed51e89
轮机英语简答
41 what?s the function of gas exchange in diesel engine?
To supply fresh air into and remove exhaust gases from the cylinders more effectively.
42 What?s the function of supercharging in diesel engine?
To increase the pressure of air charged into the cylinders. Warm up the main engine gradually.
By circulating the cooling water which is heated to proper temperature. I will heat the fuel first and then open the fuel oil valve ,close the diesel oil 43 How do you operate the main engine in cold weather? 44 How do you heat the main engine? 45 How do you change diesel oil into fuel oil?
valve.
46How do you change fuel oil into diesel oil?
I will decrease the fuel oil temperature, open diesel oil valve and close the
fuel oil valve.
47 What is the function of the turning gear?
To control the ship’s course. We use lead wires.
We use a crank deflection gauge. Yes. Because the air supply is too low. Yes. Because lube oil is being burnt.
Yes. Because of too much sulphur in the fuel oil.
Yes. Because the fuel oil contains too much water or cooling water leakage. The turning gear is used to turn the engine.. Controllable Pitch Propeller. Variable Injection Timing.
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48 How do you measure the clearance of the main bearings? 49 How do you measure the crank deflection of the main engine? 50 Do you know why the diesel engine exhausts black smoke? 51 Do you know why the diesel engine exhausts blue smoke? 52 Do you know why the diesel engine exhausts yellow smoke? 53 Do you know why the diesel engine exhausts white smoke? 54 What is the function of the steering gear? 55 What does CPP stand for? 56 What does VIT stand for?
轮机英语简答
57 What?s the type of the freshwater generator?
Vacuum boiling type (Distilled type/ Flashing type) Centrifugal type.
58 What?s the type of the fuel oil sepatator?
59 What?s the function of the fuel oil separator? To separate impurities and water from the fuel oil. 60 What?s the type of the oily water separator?
Gravity separation type.
To separate the oil from the bilge water.
To burn up oil sludge, waste oil and some solid wastes. 15 ppm.
Hot work is work with sparks. It includes gas welding , electric welding and gas 61 What?s the function of the oily water separator? 62 What?s the function of the incinerator?
63 What is the oil content limit when pumping out the bilge? 64 What is the hot work?
cutting.
65 Why do you often carry out the water treatment for the boiler?
Because it can reduce scale formation, prevent corrosion and water
carry-over by steam.
66 What boiler is used on a motor ship at sea?
Exhaust gas boiler. Donkey boiler.
According to its running hours and working condition.
It is to blow soot (and combustion products away from the tube surfaces). 67 What boiler is used on a motor ship in port?
68 How do you decide to overhaul the main engine generally? 69 What is the function of the soot blower?
70 How do you grind the valve plate of air compressor? I will use coarse grinding material and then fine grinding material. /Grind it in the path of “8” shape.
71 What is used to connect a diease engine and a generator?
A coupling . Compression type.
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72 What type is the most common marine refrigeration?
73 Please introduce four components required for a compression refrigeration system.
轮机英语简答
Compressor, condenser, expansion valve, and evaporator. Through the dryer.
Because it is low-pressure controller differential set too close, lack of 74 How do you fill Freon 22 into the refrigeration system? 75 Why does the refrigerating compressor start and stop frequently?
refrigerant, dirty or iced block.
76 What equipment is used to handle the anchors?
The windlass .
The capstan, deck crane and windlass. 77 Please name at least three items of deck machinery 78 How do you drain off air of the injection pump. By using the screw.
79 How do you clean the disc of an oil sepatator?
I will dismantle the oil separator and clean it by diesel oil./With disc
cleaner.(分离盘清洗剂)
80 What should be prepared before disassembly of cylinder for main engine/anxiliary engine?
Various tools, hoisting devices（天车） and so on. 81 How do you manage sewage? Drop in medicine regularly定期投药 第三章 问答
1. What may happen if the communication between the engine room and the bridge fails?
Accidents will happen.
2 .When do you need to communicate with the bridge? when standby engine and emergency situation.
3 .What methods and ways can be used to communication with the bridge? By telephone and telegraph.
4 .Why do you think the records of the communication should be maintained? Because records can be used as evidences in the event of accidents 5. Do you think english is very important during the communication? Yes, I think so. Yes, Because English is an international language. 6 .When should you check the engine telegraph?
Check the engine telegraph when stand-by engine before departure. Every position ordered from the bridge.
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7 .How do you check the engine telegraph?
轮机英语简答
8 .When must you test the steering gear?
Before departure from a port.
The systems of the engine, especially the reversing and control gear.
Blow the main engine by air, run the engine ahead and astern after getting 9.What items of the main engine should you check before starting? 10 .How do you test main engine?
the permission from the bridge.
11 .What should you prepare for cooling water system when”stand by engine”?
We will check the water level in the expansion tank, open the valves and start
the cooling water pump.
12 .What should you prepare for lube oil system when”stand by engine”?
We will check the oil level in the sump tank, open the valves and start the
lube oil pump.
13 .How are you going to change fuel oil over to diesel oil?
I will gradually increase the fuel oil temperature.
Because the special gravity of fuel oil is higher than that of diesel oil. We will shut down the air system, open all drains and indicator cocks, and 14 .Why does the engine speed rise up by using fuel oil instead of diesel oil? 15 .What should you do when “finishen with engine”?
keep the cooling water and lube oil system running for at least 15 minutes. 16 .What shall we have to do when the ship is sailing in the cold zone?
第四章 问答参考
1 .The engine does start on air,but combustion does not immediately begin. What is the possible cause?
We should keep the engine room warm.
The duty engineer should quickly operate the main engine astern. Correct the clock according to the clock on the bridge.
17 .What are duty engineer going to do when “full astern”is ringing up? 18 .How does the duty engineer correct the clock in engine room?
Failure in the fuel oil system.
Overheated main bearing and scavenge fire.
Speed of the main engine is slow down and exhaust gas temperature is high.
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2 .The engine may loss power or slow down when running.what is the possible cause? 3 .Please list some indications of a scavenge fire.(list at least three)