单选题We（）this port for replenishment of fuel oil.Ais calling atBare calling atCis calling onDare calling on
单选题
We（）this port for replenishment of fuel oil.
A
is calling at
B
are calling at
C
is calling on
D
are calling on
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We have stayed at Shanghai port for a long timeThe fouling on the ship’s hull greatly increases her _____.A.powerB.speedC.resistanceD.thrust force
It seems like every time we (), things are going up, especially fuel and supplies.A、turn aroundB、turn asideC、turn awayD、turn out
The plunger in a jerk pump is rotated until the release port is uncovered If the port remains uncovered all of the time, which of the listed operations will occur?A.No fuel will be deliveredB.The maximum effective stroke will be attainedC.The fuel delivered to the cylinder will be excessiveD.The injection nozzle will overheat and carbonize
If we had stayed at that port much longer, we ______ the tropical storm.A.will meet withB.met withC.would meet withD.would have met with
共用题干Thirst for OilWorldwide every day,we devour the energy equivalent of about 200 million barrels of oil. Most of the energy on Earth comes from the Sun. In fact enough energy from the Sun hits the planet's surface each minute to cover our needs for an entire year,we just need to find an efficient way to use it. So far the energy in oil has been cheaper and easier to get at. But as supplies dwindle,this will change,and we will need to cure our addiction to oil.Burning wood satisfied most energy needs until the steam-driven industrial revolution,when energy-dense coal became the fuel of choice. Coal is still used,mostly in power sta-tions,to cover one quarter of our energy needs,but its use has been declining since we star-ted pumping up oil. Coal is the least efficient,unhealthiest and most environmentally dama-ging fossil fuel,but could make a comeback,as supplies are still plentiful:its reserves are five times larger than oil's.Today petroleum,a mineral oil obtained from below the surface of the Earth and used to produce petrol,diesel oil and various other chemical substances,provides around 40% of the world's energy needs,mostly fuelling automobiles. The US consumes a quarter of all oil,and generates a similar proportion of greenhouse gas emissions.The majority of oil comes from the Middle East,which has half of known reserves. But other significant sources include Russia,North America,Norway,Venezuela and the North Sea. Alaska's Arctic National Wildlife Refuge could be a major new US source,to reduce reliance on foreign imports.Most experts predict we will exhaust easily accessible reserves within 50 years,though opinions and estimates vary. We could fast reach an energy crisis in the next few decades, when demand exceeds supply. As conventional reserves become more difficult to access,oth-ers such as oil shales and tar sands may be used instead. Petrol could also be obtained from coal.Since we started using fossil fuels,we have released 400 billion tonnes of carbon,and burning the entire reserves could eventually raise world temperatures by 13℃ .Among other horrors,this would result in the destruction of all rainforests and the melting of allArctic ice.Which of the following statements is NOT meant by the author,according to the second paragraph?A:Wood was the fuel of choice before coal.B: The use of coal is declining.C: Coal is the most environmentally unfriendly fuel next to oil.D: Coal reserves are plentiful and will be likely to become the major fuel of choice.
共用题干Thirst for OilWorldwide every day,we devour the energy equivalent of about 200 million barrels of oil. Most of the energy on Earth comes from the Sun. In fact enough energy from the Sun hits the planet's surface each minute to cover our needs for an entire year,we just need to find an efficient way to use it. So far the energy in oil has been cheaper and easier to get at. But as supplies dwindle,this will change,and we will need to cure our addiction to oil.Burning wood satisfied most energy needs until the steam-driven industrial revolution,when energy-dense coal became the fuel of choice. Coal is still used,mostly in power sta-tions,to cover one quarter of our energy needs,but its use has been declining since we star-ted pumping up oil. Coal is the least efficient,unhealthiest and most environmentally dama-ging fossil fuel,but could make a comeback,as supplies are still plentiful:its reserves are five times larger than oil's.Today petroleum,a mineral oil obtained from below the surface of the Earth and used to produce petrol,diesel oil and various other chemical substances,provides around 40% of the world's energy needs,mostly fuelling automobiles. The US consumes a quarter of all oil,and generates a similar proportion of greenhouse gas emissions.The majority of oil comes from the Middle East,which has half of known reserves. But other significant sources include Russia,North America,Norway,Venezuela and the North Sea. Alaska's Arctic National Wildlife Refuge could be a major new US source,to reduce reliance on foreign imports.Most experts predict we will exhaust easily accessible reserves within 50 years,though opinions and estimates vary. We could fast reach an energy crisis in the next few decades, when demand exceeds supply. As conventional reserves become more difficult to access,oth-ers such as oil shales and tar sands may be used instead. Petrol could also be obtained from coal.Since we started using fossil fuels,we have released 400 billion tonnes of carbon,and burning the entire reserves could eventually raise world temperatures by 13℃ .Among other horrors,this would result in the destruction of all rainforests and the melting of allArctic ice.“…we will need to cure our addiction to oil.”Why does the author say so?A:Most of the energy on Earth comes from the Sun.B: Oil supply is increasing all the time.C: Demand for oil is increasing all the time.D: Oil supply is decreasing.
共用题干Thirst for OilWorldwide every day,we devour the energy equivalent of about 200 million barrels of oil. Most of the energy on Earth comes from the Sun. In fact enough energy from the Sun hits the planet's surface each minute to cover our needs for an entire year,we just need to find an efficient way to use it. So far the energy in oil has been cheaper and easier to get at. But as supplies dwindle,this will change,and we will need to cure our addiction to oil.Burning wood satisfied most energy needs until the steam-driven industrial revolution,when energy-dense coal became the fuel of choice. Coal is still used,mostly in power sta-tions,to cover one quarter of our energy needs,but its use has been declining since we star-ted pumping up oil. Coal is the least efficient,unhealthiest and most environmentally dama-ging fossil fuel,but could make a comeback,as supplies are still plentiful:its reserves are five times larger than oil's.Today petroleum,a mineral oil obtained from below the surface of the Earth and used to produce petrol,diesel oil and various other chemical substances,provides around 40% of the world's energy needs,mostly fuelling automobiles. The US consumes a quarter of all oil,and generates a similar proportion of greenhouse gas emissions.The majority of oil comes from the Middle East,which has half of known reserves. But other significant sources include Russia,North America,Norway,Venezuela and the North Sea. Alaska's Arctic National Wildlife Refuge could be a major new US source,to reduce reliance on foreign imports.Most experts predict we will exhaust easily accessible reserves within 50 years,though opinions and estimates vary. We could fast reach an energy crisis in the next few decades, when demand exceeds supply. As conventional reserves become more difficult to access,oth-ers such as oil shales and tar sands may be used instead. Petrol could also be obtained from coal.Since we started using fossil fuels,we have released 400 billion tonnes of carbon,and burning the entire reserves could eventually raise world temperatures by 13℃ .Among other horrors,this would result in the destruction of all rainforests and the melting of allArctic ice.What is NOT the result of consuming fossil fuels according to the last paragraph?A: Rainforests will be destroyed.B: Arctic ice will be melted.C: The earth's temperature will be raised.D: The sea level will go up.
在船上应当日落时降下国旗.（）A、We should lower national flag when the sun sets.B、We should lower national flag when the ship is in port.C、We should lower national flag when loading and unloading.D、We should lower national flag when the sun rises.
单选题We（）this port for replenishment of fuel oil.Ais calling atBare calling atCis calling onDare calling on
单选题The vessel is out of harbor and in “Full Ahead”We are going to run fuel oil instead of （） and open the fuel oil heater steam valve.Aheavy oilBlube oilCfuel oilDdiesel
单选题Your vessel has just finished bunkering and has a small list due to improper distribution of the fuel oil. This list will cause（）.Aa decrease in reserve buoyancyBa decrease in the maximum draftCthe vessel to flop to port or starboardDNone of the above
单选题After leaving the port, we used （）to clean the empty holds and decks.Afresh waterBsea waterCboth A and BDballast water
单选题If we had stayed at that port much longer，we（）the tropical storm.Awill meet withBmet withCwould meet withDwould have met with
单选题We have stayed at Shanghai port for a long timeThe fouling on the ship’s hull greatly increases her （）.ApowerBspeedCresistanceDthrust force
单选题Duty officer informs us that the vessel is out of harbor and in “Full Ahead”We are going to run （）.Adiesel oil instead of fuel oilBfuel oil instead of diesel oilCdiesel oil instead fuel oilDfuel oil instead diesel oil
单选题We’d better （）economic speed （）fuel consumption.Atake；saveBto take；saveCtake；to saveDto take；to save
单选题The effective pump stroke of an individual port-and-helix fuel injection pump is determined by the （）Afuel delivery pressureBpump plunger diameterCplunger control rack positionDtotal pump stroke
单选题It should be evident that the amount of fuel injected into the cylinder is dependent on the position of the helix relative to the （）.Ainlet portBexhaust portCspill portDscavenge port
单选题If fuel is burned from only the starboard tanks, the ship will （）.Ago down by the headBlist to starboardCtrim by the stemDlist to port
单选题The Owners to take over and pay all fuel remaining in the Vessel’s bunkers on re-delivery at current price at the port of redelivery，or at the nearest main bunkering port，if the bunker price at the port of redelivery is not available. This indicates that the Owners are to take over and pay the remaining bunkers（）.Aat current price at the nearest main bunkering portBat current price at the port of redelivery if it is not available to obtain the current price at the nearest main bunkering portCat current price at the nearest main bunkering port if it is cheaper than that at the port of redeliveryDat current price at the port of redelivery if it is obtainable，even the price is higher at the nearest main bunkering port
单选题（）we swing the port derrick inboard?AShallBAreCIsDBe