网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
单选题
Which of the following statement(s)is/are FALSE regarding a twin pedestal crane set ().
A

The cranes may be operated independently

B

The cranes may be interconnected for twin operation

C

The cranes are powered by independent internal combustion power units

D

All of the above


参考答案

参考解析
解析: 暂无解析
更多 “单选题Which of the following statement(s)is/are FALSE regarding a twin pedestal crane set ().A The cranes may be operated independentlyB The cranes may be interconnected for twin operationC The cranes are powered by independent internal combustion power unitsD All of the above” 相关考题
考题 Pedestal cranes have limit switches to restrict the movement of which function?______.A.Luff rate limitsB.Slew travel limitsC.Swivel power limitsD.Slew rate limits

考题 Power operated cranes used on a ship must not be powered by ______.A.diesel engineB.chargeable batteriesC.electric motorsD.gasoline engines

考题 Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift?A.The discharge is slow due to the size of the cargo and all the cranes working togetherB.The cargo discharge can be accomplished with controlled pendulationC.The cargo discharge can be performed in port or at anchorD.The cranes enable the handling of heavy cargos without shoreside assistance

考题 Most pedestal crane power is provided by ______.A.Electro-hydraulic unitsB.Steam unitsC.Independent internal combustion power unitsD.All of the above

考题 Pedestal cranes have limit switches to restrict movement of which function(s)________.A.Hoist upper & lower limitsB.Luff travel limitsC.Rider block hoist upper & lower limitsD.All of the above

考题 What is the purpose of the equalizing beam aboard a crane vessel ________.A.It allows for rotation of the hook in the single modeB.It is required to“twin-up”30-ton pedestal cranesC.It is used to pick up light loadsD.It is used to rigidly connect two cranes

考题 What is/are the advantage(s)of cranes over conventional cargo booms ________.A.Cranes are able to pick up and drop loads over a greater spotting areaB.Increased safety because the deck is clear of running and standing riggingC.Simplicity of operation of the crane by its operatorD.All of the above

考题 Which of the following statement(s)is/are FALSE regarding a twin pedestal crane set ________.A.The cranes may be operated independentlyB.The cranes may be interconnected for twin operationC.The cranes are powered by independent internal combustion power unitsD.All of the above

考题 Which of the following statement(s)is/are TRUE regarding a twin pedestal crane set ________.A.The cranes may be operated independentlyB.The cranes may be interconnected for twin operationC.When twinned,the crane rotation on the foundation assembly is unlimitedD.All of the above

考题 Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels ________.A.A centerline crane can never be operated in tandemB.One crane is able to work one end of two adjacent hatchesC.These cranes are more economical and weigh less than outboard-mounted cranesD.One crane is able to work both sides of the ship

考题 Which statement comparing a shipboard crane to conventional gear is TRUE ________.A.Cranes are more difficult to secure for seaB.The spotting area of the conventional gear is largerC.A crane operator requires more training than the winch operator of a yard and stay rigD.The yard and stay rig is more flexible in its ability to handle a wider variety of cargoes

考题 Which of the following statements is TRUE regarding crane operations ________.A.Radio communications allow the crane operator to disregard the use of hand signalsB.The crane operators and signalman must be familiar with the correct hand signalsC.The forward cranes can be operated from the bridgeD.The aft cranes can be operated from the aft steering station

考题 共用题干 Operation MigrationIf you look up at the sky in the early fall in the northern part of North America,you may see groups of birds.These birds are flying south to places where they can find food and warmth for the winter.They are migrating(迁徙).The young birds usually learn to migrate from their parents.They follow their parents south.In one unusual case,however,the young birds are following something very different.These birds are young whooping cranes,and they are following an airplane!The whooping crane is the largest bird that is native to North America.These birds al-most disappeared in the 1800s.By 1941,there were only about 20 cranes alive.In the 1970s, people were worried that these creatures were in danger of disappearing completely.As a result,the United States indentified whooping cranes as an endangered species that they needed to protect.Some researchers tried to help.They began to breed whooping cranes in special parks to increase the number of birds.This plan was successful.There were a lot of new baby birds.As the birds became older,the researchers wanted to return them to nature.However,there was a problem:These young birds did not know how to migrate.They needed human help.In 2001,some people had a creative idea.They formed an organization called Operation Migration.This group decided to use very light airplanes,instead of birds,to lead the young whooping cranes on their first trip south.They painted each airplane to look like a whooping crane.Even the pilots wore special clothing to make them look like cranes.The cranes began to trust the airplanes,and the plan worked.Today,planes still lead birds across approximately 1,200 miles(1,931 kilometers), from the United States-Canadian border to the Gulf of Mexico.They leave the birds at differ-ent sites.If a trip is successful,the birds can travel on their own in the future.Then,when these birds become parents,they will teach their young to migrate.The people of Operation Migration think this is the only way to maintain the whooping crane population.Operation Migration works with several other organizations and government institutes.Together,they assist hundreds of cranes each year.However,some experts predict that soon,this won't be necessary.Thanks to Operation Migration and its partners,the crane population will continue to migrate.Hopefully,they won't need human help any more.The distance covered by the young whooping cranes on their trip south is______.A:120 milesB:1,931 milesC:1,200 milesD:2,000 miles

考题 共用题干 第三篇Operation MigrationIf you look up at the sky in the early fall in the northern part of North America,you may see groups of birds.These birds are flying south to places where they can find food and warmth for the winter. They are migrating(迁徙).The young birds usually learn to migrate from their parents. They follow their parents south.In one unusual case,however,the young birds are following something very different.These birds are young whooping cranes and they are following an airplane!The whooping crane is the largest bird that is native to North America.These birds almost disappeared in the 1 800s.By 1941,there were only about 20 cranes alive.In the 1970s,people were worried that these creatures were in danger of disappearing completely.As a result,the United States identified whooping cranes as an endangered species that they needed to protect.Some researchers tired to help.They began to breed whooping cranes in special parks to increase the number of birds.This plan was successful,There were a lot of new baby birds.As the birds became older, the researchers wanted to return them to nature.However,there was a problem:these young birds did not know how to migrate,They needed human help.In 2001,some people had a creative idea.They formed an organization called Operation Migration. This group decided to use very light airplanes,instead of birds,to lead the young whooping cranes on their first trip south.They painted each airplane to look like a whooping crane.Even the pilots wore special clothing to make them look like cranes.The cranes began to trust the airplanes,and the plan worked.Today,planes still lead birds across approxlmately 1,200 mniles(1,931 kilometers),from the United States-Canadian border to the Gulf of Mexico.They leave the birds at different sites.If a trip is successful, the birds can travel on their own in the future.Then,when these birds become parents,they will teach their young to migrate.The people of Operation Migration think this is the only way to maintain the whloopingcrane population.Operation Migration works with several other organizations and government institutes.Together,they as- sist hundreds of cranes each year. However,some experts predict that soon this won't be necessary.Thanks to Operation Migration and its partners,the crane population will continue to migrate.Hopefully,they won'tneed human help any more.Whooping cranes migrate in winter to___________.A:raise baby whooping cranesB:get human helpC:find warmth and foodD:lay eggs

考题 共用题干 Operation MigrationIf you look up at the sky in the early fall in the northern part of North America,you may see groups of birds.These birds are flying south to places where they can find food and warmth for the winter.They are migrating(迁徙).The young birds usually learn to migrate from their parents.They follow their parents south.In one unusual case,however,the young birds are following something very different.These birds are young whooping cranes,and they are following an airplane!The whooping crane is the largest bird that is native to North America.These birds al-most disappeared in the 1800s.By 1941,there were only about 20 cranes alive.In the 1970s, people were worried that these creatures were in danger of disappearing completely.As a result,the United States indentified whooping cranes as an endangered species that they needed to protect.Some researchers tried to help.They began to breed whooping cranes in special parks to increase the number of birds.This plan was successful.There were a lot of new baby birds.As the birds became older,the researchers wanted to return them to nature.However,there was a problem:These young birds did not know how to migrate.They needed human help.In 2001,some people had a creative idea.They formed an organization called Operation Migration.This group decided to use very light airplanes,instead of birds,to lead the young whooping cranes on their first trip south.They painted each airplane to look like a whooping crane.Even the pilots wore special clothing to make them look like cranes.The cranes began to trust the airplanes,and the plan worked.Today,planes still lead birds across approximately 1,200 miles(1,931 kilometers), from the United States-Canadian border to the Gulf of Mexico.They leave the birds at differ-ent sites.If a trip is successful,the birds can travel on their own in the future.Then,when these birds become parents,they will teach their young to migrate.The people of Operation Migration think this is the only way to maintain the whooping crane population.Operation Migration works with several other organizations and government institutes.Together,they assist hundreds of cranes each year.However,some experts predict that soon,this won't be necessary.Thanks to Operation Migration and its partners,the crane population will continue to migrate.Hopefully,they won't need human help any more.Operation Migration aims to______.A:teach adult cranes how to flyB:breed cranes in special parksC:lead young cranes on their first trip southD:transport cranes to the North

考题 共用题干 第三篇Operation MigrationIf you look up at the sky in the early fall in the northern part of North America,you may see groups of birds.These birds are flying south to places where they can find food and warmth for the winter. They are migrating(迁徙).The young birds usually learn to migrate from their parents. They follow their parents south.In one unusual case,however,the young birds are following something very different.These birds are young whooping cranes and they are following an airplane!The whooping crane is the largest bird that is native to North America.These birds almost disappeared in the 1 800s.By 1941,there were only about 20 cranes alive.In the 1970s,people were worried that these creatures were in danger of disappearing completely.As a result,the United States identified whooping cranes as an endangered species that they needed to protect.Some researchers tired to help.They began to breed whooping cranes in special parks to increase the number of birds.This plan was successful,There were a lot of new baby birds.As the birds became older, the researchers wanted to return them to nature.However,there was a problem:these young birds did not know how to migrate,They needed human help.In 2001,some people had a creative idea.They formed an organization called Operation Migration. This group decided to use very light airplanes,instead of birds,to lead the young whooping cranes on their first trip south.They painted each airplane to look like a whooping crane.Even the pilots wore special clothing to make them look like cranes.The cranes began to trust the airplanes,and the plan worked.Today,planes still lead birds across approxlmately 1,200 mniles(1,931 kilometers),from the United States-Canadian border to the Gulf of Mexico.They leave the birds at different sites.If a trip is successful, the birds can travel on their own in the future.Then,when these birds become parents,they will teach their young to migrate.The people of Operation Migration think this is the only way to maintain the whloopingcrane population.Operation Migration works with several other organizations and government institutes.Together,they as- sist hundreds of cranes each year. However,some experts predict that soon this won't be necessary.Thanks to Operation Migration and its partners,the crane population will continue to migrate.Hopefully,they won'tneed human help any more.Operation Migration aims to____________.A:lead young cranes on their first trip south B:teach adult cranes how to flyC:breed cranes in special parksD:transport cranes to the North

考题 单选题The design specifications for cranes and crane foundations on ship’s are set and published by the().A American Society of Mechanical EngineersB American Petroleum InstituteC Society of Petroleum EngineersD American Society of Civil Engineers

考题 单选题Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels().A A centerline crane can never be operated in tandemB One crane is able to work one end of two adjacent hatchesC These cranes are more economical and weigh less than outboard-mounted cranesD One crane is able to work both sides of the ship

考题 单选题For occasional heavy loads, two cranes can be arranged to work together. The operating () for deck crane motors may be hydraulic electric.A principleB mediumC instructionD voltage

考题 单选题() can be operated independently or locked together and operated as a twin-job cranes of double capacity.A Two derricksB A derrick and a craneC Two cranesD A crane and a winch

考题 单选题Which of the following statements is TRUE regarding crane operations().A Radio communications allow the crane operator to disregard the use of hand signalsB The crane operators and signalman must be familiar with the correct hand signalsC The forward cranes can be operated from the bridgeD The aft cranes can be operated from the aft steering station

考题 单选题Annual inspection of vessel cranes shall be conducted by().A HASB the person in chargeC a qualified inspectorD the crane operator

考题 单选题Which of the following statement(s)is/are FALSE regarding a twin pedestal crane set ().A The cranes may be operated independentlyB The cranes may be interconnected for twin operationC The cranes are powered by independent internal combustion power unitsD All of the above

考题 单选题Most pedestal crane power is provided by().A Electro-hydraulic unitsB Steam unitsC Independent internal combustion power unitsD All of the above

考题 单选题What is the purpose of the equalizing beam aboard a crane vessel().A It allows for rotation of the hook in the single modeB It is required to“twin-up”30-ton pedestal cranesC It is used to pick up light loadsD It is used to rigidly connect two cranes

考题 单选题Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift? ()A The discharge is slow due to the size of the cargo and all the cranes working togetherB The cargo discharge can be accomplished with controlled pendulationC The cargo discharge can be performed in port or at anchorD The cranes enable the handling of heavy cargos without shoreside assistance

考题 单选题Which of the following statement(s)is/are TRUE regarding a twin pedestal crane set().A The cranes may be operated independentlyB The cranes may be interconnected for twin operationC When twinned,the crane rotation on the foundation assembly is unlimitedD All of the above

考题 单选题Pedestal cranes have limit switches to restrict movement of which function(s)().A Hoist upper lower limitsB Luff travel limitsC Rider block hoist upper lower limitsD All of the above