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MARPOWER
60問 • 1年前
  • ユーザ名非公開
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    問題一覧

  • 1

    Which term describes a rotational force?

    torque

  • 2

    What is the unit of measurement for power?

    watts

  • 3

    What does calorific value measure?

    Energy content of fuel

  • 4

    Which principle does a two-stroke diesel engine follow?

    ) Compression-ignition

  • 5

    What is the purpose of the turbocharging system in a two-stroke diesel engine?

    *b) To improve combustion efficiency

  • 6

    What are the main components of a two-stroke diesel engine?

    b) Cylinder block, piston, connecting rod, and crankshaft

  • 7

    Which of the following is a common application of two-stroke diesel engines?

    Propelling small boats and ships

  • 8

    What is the purpose of the intake stroke in a two-stroke diesel engine?

    To allow air to enter the cylinder for the next cycle

  • 9

    What is the main principle behind the operation of a diesel engine?

    *a) Fuel injection and combustion

  • 10

    What is the main principle behind electric propulsion onboard a ship?

    Conversion of electrical energy into mechanical thrust.

  • 11

    Which type of electric propulsion system combines electric propulsion with traditional engines?

    Hybrid Propulsion

  • 12

    What is the purpose of the cooling systems in an electric propulsion system?

    To maintain optimal operating temperatures for electric motors and power electronics

  • 13

    Which component of a mooring winch is responsible for rotating the drum and controlling the movement of mooring lines?

    ) Motor

  • 14

    What is the purpose of the clutch and brake mechanisms in a mooring winch? a) *b) c) d)

    To hold the mooring lines securely in place

  • 15

    During the operation of a mooring winch, what is the first step after the mooring lines are properly attached to the ship's mooring points?

    Applying the brake

  • 16

    What is the purpose of the brake mechanism in an anchor windlass?

    To control the movement of the anchor chain/rope

  • 17

    How is the anchor chain/rope handled by the anchor windlass?

    It passes through the windlass and is pulled in or paid out

  • 18

    What controls the operation of an anchor windlass?

    Electric switches or hydraulic controls

  • 19

    What is the primary function of an anchor windlass?

    To raise or lower the ship's anchor

  • 20

    Which component of a winch is responsible for handling and controlling the tension in a cable or rope?

    Drum or spool

  • 21

    What is the typical power source for operating a winch?

    Electric motor or hydraulic system

  • 22

    Which driving mechanism used in deck machinery is known for its high power output and compact design?

    Hydraulic drive

  • 23

    What are some advantages of using electric drive mechanisms in deck machinery?

    Precise control and variable speed options

  • 24

    What is the primary purpose of an emergency generator onboard a ship?

    To supply power to critical systems during a power failure

  • 25

    What is the fuel commonly used to power emergency generators on ships?

    Diesel

  • 26

    What is the typical source of power for an emergency switchboard?

    Emergency generator

  • 27

    What are some safety features incorporated into emergency generators?

    Overload protection and over-speed protection

  • 28

    What is the purpose of an automatic start feature in an emergency generator?

    To provide a smooth transition during a power failure

  • 29

    What is the role of circuit breakers in an emergency switchboard?

    To protect the connected circuits from overcurrent and short circuits

  • 30

    Which type of pump is commonly used in firefighting systems onboard ships?

    Centrifugal pump

  • 31

    What is the main principle of operation for centrifugal pumps?

    Centrifugal force

  • 32

    Which pump type is known for its high-pressure capabilities?

    Reciprocating pump

  • 33

    What is the purpose of the bilge system onboard a ship?

    To remove water from lower compartments

  • 34

    What is the main function of a ballast water management system (BWMS)?

    To treat ballast water before discharge

  • 35

    Which type of pump is commonly used in lubrication systems onboard ships?

    Rotary pump

  • 36

    What are the primary applications of screw pumps onboard ships?

    Fuel oil transfer and lubrication systems

  • 37

    What is the primary purpose of a bilge pump onboard a ship?

    To remove water from lower compartments

  • 38

    Which type of pump is suitable for high-pressure water applications onboard ships?

    Reciprocating pump

  • 39

    What is the purpose of a ballast water management system (BWMS) onboard a ship?

    To treat ballast water before discharge

  • 40

    Why are centrifugal pumps commonly used in maritime applications?

    They provide high flow rates and moderate pressure

  • 41

    What is the primary advantage of reciprocating pumps over other pump types?

    They are suitable for transferring high-viscosity fluids

  • 42

    Which pump type is commonly used for fuel oil transfer systems onboard ships?

    Screw pump

  • 43

    How do bilge pumps contribute to the safe operation of a ship?

    They maintain stability and prevent flooding

  • 44

    What is the purpose of the ballast water management system (BWMS) onboard a ship?

    To treat ballast water before discharge

  • 45

    A ship's bilge pump is not operating properly, and water is accumulating in the lower compartments. What is the immediate action to be taken? a) b) *c) d)

    Conduct an inspection of the bilge pump

  • 46

    In an emergency situation, the ship's emergency generator fails to start. What is the next step?

    Troubleshoot the emergency generator

  • 47

    A ship's rotary pump is overheating during operation. What could be the possible cause?

    Insufficient lubrication

  • 48

    During a routine inspection, a reciprocating pump is found to have a leaking piston seal. What action should be taken?

    Replace the piston seal

  • 49

    . A ship's centrifugal pump is installed in a location with limited space. What advantage does the centrifugal pump offer in this situation?

    Simple maintenance requirements

  • 50

    During cargo operations, which deck equipment is commonly used for lifting and moving heavy loads?

    Cranes

  • 51

    In a pumping system, which component is responsible for regulating the flow rate of fluid?

    Valves

  • 52

    What is the purpose of mooring and anchoring during deck operations?

    To secure the ship to the dock

  • 53

    Which type of pump is commonly used for transferring fuel oil ?

    Screw

  • 54

    What is the primary function of control systems in a pumping system?

    To regulate flow rates

  • 55

    What are the potential risks associated with deck operations?

    Improper mooring procedures

  • 56

    How does the type of cargo influence the design of a pumping system onboard a ship?

    It determines the type of pumps used

  • 57

    Why is it important to conduct regular maintenance of deck equipment?

    To ensure proper functioning and prevent breakdowns

  • 58

    What is the purpose of monitoring navigational equipment during deck operations?

    To maintain the ship's course and speed

  • 59

    How can a pumping system contribute to the safety of a ship?

    By maintaining proper ballast levels

  • 60

    How does the type of cargo influence the design of a pumping system onboard a ship?

    It determines the type of pumps used

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    問題一覧

  • 1

    Which term describes a rotational force?

    torque

  • 2

    What is the unit of measurement for power?

    watts

  • 3

    What does calorific value measure?

    Energy content of fuel

  • 4

    Which principle does a two-stroke diesel engine follow?

    ) Compression-ignition

  • 5

    What is the purpose of the turbocharging system in a two-stroke diesel engine?

    *b) To improve combustion efficiency

  • 6

    What are the main components of a two-stroke diesel engine?

    b) Cylinder block, piston, connecting rod, and crankshaft

  • 7

    Which of the following is a common application of two-stroke diesel engines?

    Propelling small boats and ships

  • 8

    What is the purpose of the intake stroke in a two-stroke diesel engine?

    To allow air to enter the cylinder for the next cycle

  • 9

    What is the main principle behind the operation of a diesel engine?

    *a) Fuel injection and combustion

  • 10

    What is the main principle behind electric propulsion onboard a ship?

    Conversion of electrical energy into mechanical thrust.

  • 11

    Which type of electric propulsion system combines electric propulsion with traditional engines?

    Hybrid Propulsion

  • 12

    What is the purpose of the cooling systems in an electric propulsion system?

    To maintain optimal operating temperatures for electric motors and power electronics

  • 13

    Which component of a mooring winch is responsible for rotating the drum and controlling the movement of mooring lines?

    ) Motor

  • 14

    What is the purpose of the clutch and brake mechanisms in a mooring winch? a) *b) c) d)

    To hold the mooring lines securely in place

  • 15

    During the operation of a mooring winch, what is the first step after the mooring lines are properly attached to the ship's mooring points?

    Applying the brake

  • 16

    What is the purpose of the brake mechanism in an anchor windlass?

    To control the movement of the anchor chain/rope

  • 17

    How is the anchor chain/rope handled by the anchor windlass?

    It passes through the windlass and is pulled in or paid out

  • 18

    What controls the operation of an anchor windlass?

    Electric switches or hydraulic controls

  • 19

    What is the primary function of an anchor windlass?

    To raise or lower the ship's anchor

  • 20

    Which component of a winch is responsible for handling and controlling the tension in a cable or rope?

    Drum or spool

  • 21

    What is the typical power source for operating a winch?

    Electric motor or hydraulic system

  • 22

    Which driving mechanism used in deck machinery is known for its high power output and compact design?

    Hydraulic drive

  • 23

    What are some advantages of using electric drive mechanisms in deck machinery?

    Precise control and variable speed options

  • 24

    What is the primary purpose of an emergency generator onboard a ship?

    To supply power to critical systems during a power failure

  • 25

    What is the fuel commonly used to power emergency generators on ships?

    Diesel

  • 26

    What is the typical source of power for an emergency switchboard?

    Emergency generator

  • 27

    What are some safety features incorporated into emergency generators?

    Overload protection and over-speed protection

  • 28

    What is the purpose of an automatic start feature in an emergency generator?

    To provide a smooth transition during a power failure

  • 29

    What is the role of circuit breakers in an emergency switchboard?

    To protect the connected circuits from overcurrent and short circuits

  • 30

    Which type of pump is commonly used in firefighting systems onboard ships?

    Centrifugal pump

  • 31

    What is the main principle of operation for centrifugal pumps?

    Centrifugal force

  • 32

    Which pump type is known for its high-pressure capabilities?

    Reciprocating pump

  • 33

    What is the purpose of the bilge system onboard a ship?

    To remove water from lower compartments

  • 34

    What is the main function of a ballast water management system (BWMS)?

    To treat ballast water before discharge

  • 35

    Which type of pump is commonly used in lubrication systems onboard ships?

    Rotary pump

  • 36

    What are the primary applications of screw pumps onboard ships?

    Fuel oil transfer and lubrication systems

  • 37

    What is the primary purpose of a bilge pump onboard a ship?

    To remove water from lower compartments

  • 38

    Which type of pump is suitable for high-pressure water applications onboard ships?

    Reciprocating pump

  • 39

    What is the purpose of a ballast water management system (BWMS) onboard a ship?

    To treat ballast water before discharge

  • 40

    Why are centrifugal pumps commonly used in maritime applications?

    They provide high flow rates and moderate pressure

  • 41

    What is the primary advantage of reciprocating pumps over other pump types?

    They are suitable for transferring high-viscosity fluids

  • 42

    Which pump type is commonly used for fuel oil transfer systems onboard ships?

    Screw pump

  • 43

    How do bilge pumps contribute to the safe operation of a ship?

    They maintain stability and prevent flooding

  • 44

    What is the purpose of the ballast water management system (BWMS) onboard a ship?

    To treat ballast water before discharge

  • 45

    A ship's bilge pump is not operating properly, and water is accumulating in the lower compartments. What is the immediate action to be taken? a) b) *c) d)

    Conduct an inspection of the bilge pump

  • 46

    In an emergency situation, the ship's emergency generator fails to start. What is the next step?

    Troubleshoot the emergency generator

  • 47

    A ship's rotary pump is overheating during operation. What could be the possible cause?

    Insufficient lubrication

  • 48

    During a routine inspection, a reciprocating pump is found to have a leaking piston seal. What action should be taken?

    Replace the piston seal

  • 49

    . A ship's centrifugal pump is installed in a location with limited space. What advantage does the centrifugal pump offer in this situation?

    Simple maintenance requirements

  • 50

    During cargo operations, which deck equipment is commonly used for lifting and moving heavy loads?

    Cranes

  • 51

    In a pumping system, which component is responsible for regulating the flow rate of fluid?

    Valves

  • 52

    What is the purpose of mooring and anchoring during deck operations?

    To secure the ship to the dock

  • 53

    Which type of pump is commonly used for transferring fuel oil ?

    Screw

  • 54

    What is the primary function of control systems in a pumping system?

    To regulate flow rates

  • 55

    What are the potential risks associated with deck operations?

    Improper mooring procedures

  • 56

    How does the type of cargo influence the design of a pumping system onboard a ship?

    It determines the type of pumps used

  • 57

    Why is it important to conduct regular maintenance of deck equipment?

    To ensure proper functioning and prevent breakdowns

  • 58

    What is the purpose of monitoring navigational equipment during deck operations?

    To maintain the ship's course and speed

  • 59

    How can a pumping system contribute to the safety of a ship?

    By maintaining proper ballast levels

  • 60

    How does the type of cargo influence the design of a pumping system onboard a ship?

    It determines the type of pumps used