the following instruments that are not on the emergency switchboard is .
the following belong to emergency power supply equipment .
the following are not emergency power supply equipment .
the following statement regarding emergency switchboards is incorrect .
the power available from the emergency power supply shall be sufficient to supply power to .
once the main power grid loses power, the emergency generator should start and close the power supply for a maximum time of no more than .
two synchronous generators in parallel, only adjusting one throttle change the frequency; adjusting only one excitation change the voltage.
the control panel of the main switchboard generator is equipped with an ammeter as well as .
the ship's main switchboard is made up of .
the basic parameters of the ship power system are .
there shall be at least air bottles used for the main engine, and the total capacity shall be no less than consecutive starts from the cooling machine for each reversing main engine, and no less than consecutive starts from the cooling machine for each non-reversing main engine without supplementing the air.
the remote operation position of the main air compressor in a ship's engine room is usually set in .
which of the following is not a feature of the central cooling water system .
in the diesel engine forced liquid cooling system, the most ideal cooling medium is .
are commonly used in marine water cooling systems.
the fuel oil system in the ship's engine room is not included .
oil separator in the following circumstances will appear fault alarm are . 1) the separation cylinder is not tightly closed;2) oil temperature is too high;3) oil temperature is too low;4) the oil separator is not running fast enough
the role of lubricating oil in a ship's engine room includes . 1) antifriction;2) cooling;3) clean;4) seal
the purpose of setting up stern seal high oil tank and low oil tank in stern shaft lubricating system is .
the main piping systems of ship auxiliary boilers are not included .
the timing sequence to be carried out during the ignition of oil-fired boiler burners is not included .
pollution prevention installations on ships shall not include .
the basic components of a steam compression refrigeration cycle and the order in which the refrigerant flows are .
the efficiency of a boiler is at the same time
the commonly used cooling medium for marine diesel engine piston is .
the main functions of diesel engine cooling are as follows . 1) reduce thermal stress of combustor components;2) ensure adequate strength of the heated part;3) improve the thermal efficiency of diesel engines;4) ensure proper clearance between moving parts;5) use the heat of cooling water for cooling;6) protective lubricating oil film
the cylinder liner corrosion of closed-type diesel engines is mainly caused by .
the corrosion of cylinder liner in diesel engines cooled by open circulation seawater is mainly caused by .
the following do not belong to the role of the diesel expansion tank is .
common main power units are not included .
the following requirements for marine main diesel engines in the ccs specification, does not include .
the cylinder head starting valve of me type diesel engine is controlled by .
there are equipment that is not necessary to operate during the preparation of the diesel engine .
the main diesel oil inlet temperature should normally be maintained at .
the normal management of diesel engine operation is mainly .
the purpose of mechanical inspection in diesel engine operation is .
the telegraph system is a device to realize the tranission and response of vehicle order between the bridge and and between the bridge and .
ccs specifications for the propulsion system: the number of consecutive automatic starting of the main engine should not exceed times, and after the failure of starting, the automatic restart should be stopped, and visual and auditory alarm signals should be issued.
propulsion control systems are generally composed of . 1) remote control device;2) telegraph system;3) logical control unit;4) speed and load control unit;5) safety protection unit;6) main engine pneumatic control system
the main diesel engine system is generally composed of . 1) lubricating oil system;2) the fuel system;3) cooling water system;4) intake/exhaust system;5) start air system;6) the steering gear system
the meaning of "cold ship" in this course is .1) the ship's ambient temperature is lower; 2) engine room temperature is lower; 3) engine room valves are in default state; 4) there is no electricity in the engine room; 5) ship has no power; 6) the temperature of equipment and system is the same as the ambient temperature.
in the operating condition of large merchant ships, which equipment in the engine room is most unlikely to be in operation when loading and unloading at the port?
the necessary conditions for the stable operation of the main diesel generator include the preparation and commissioning of .
the operating requirements of s type fuel oil (heavy oil) separators for alfa laval do not include any of the following systems?
which of the following is not correct for remote control of the main diesel engine?
the outlet pressure of main lubricating oil circulation pump of large low speed diesel engine is generally .
which of the following equipment and systems shall be prepared during the preparation of a marine main diesel engine?1) oil-water-gas systems of main diesel engine;2) stern tube lubricating system;3) the steering gear system;4) fresh water generator system;5) engine-room ventilation system;6) power station
the first step of starting a cold ship is .
the rudder torque of the isolated rear steering gear is of the original single pump, the rudder speed is of the original single pump, steering with a all rudder angle, not to exceed the degree or reduce the ship speed of the design speed, then according to the normal operation to avoid overload
daily management of fixed fine water mist fire extinguishing system: monitor the level of water supply tank of high-pressure water mist pump, keep it at the water level at all times, and set its working mode to position
in order to prevent the failure of the flying car, should be adopted to reduce the speed appropriately.
when the wheelhouse tracking steering fails, the manual steering angle shall not exceed the degree during the emergency operation.
the incorrect way to restore the power supply during the ship's voyage and stop the prime mover is .
in the following statements concerning the code of practice for engine room fire emergency, it is incorrect .
emergency drainage of engine room water is performed as follows . 1) close the no.1 main sea water pump and connect the inlet valve of the sea water main;2) fully open the emergency bilge suction valve in the direction indicated by the emergency suction valve disc;3) start no.1 main sea pump to drain overboard
the following instruments that are not on the emergency switchboard is .
the following belong to emergency power supply equipment .
the following are not emergency power supply equipment .
the following statement regarding emergency switchboards is incorrect .
the power available from the emergency power supply shall be sufficient to supply power to .
once the main power grid loses power, the emergency generator should start and close the power supply for a maximum time of no more than .
the control panel of the main switchboard generator is equipped with an ammeter as well as .
the ship's main switchboard is made up of .
the basic parameters of the ship power system are .
the solas convention on emergency power provides that emergency generators shall carry rated loads safely and practically within a maximum of .
the ship power system is composed of .
there shall be at least air bottles used for the main engine, and the total capacity shall be no less than consecutive starts from the cooling machine for each reversing main engine, and no less than consecutive starts from the cooling machine for each non-reversing main engine without supplementing the air.
which of the following is not a feature of the central cooling water system .
are commonly used in marine water cooling systems.
the purpose of setting up stern seal high oil tank and low oil tank in stern shaft lubricating system is .
the main piping systems of ship auxiliary boilers are not included .
the basic components of a steam compression refrigeration cycle and the order in which the refrigerant flows are .
the following do not belong to the role of the diesel expansion tank is .
the corrosion of cylinder liner in diesel engines cooled by open circulation seawater is mainly caused by .
the cylinder liner corrosion of closed-type diesel engines is mainly caused by .
the efficiency of a boiler is at the same time
boiler auxiliary boiler performance index is usually not included .
the cylinder head starting valve of me type diesel engine is controlled by .
the normal management of diesel engine operation is mainly .
the necessary conditions for the stable operation of the main diesel generator include the preparation and commissioning of .
which of the following equipment and systems shall be prepared during the preparation of a marine main diesel engine?1) oil-water-gas systems of main diesel engine;2) stern tube lubricating system;.3) the steering gear system;4) fresh water generator system;5) engine-room ventilation system;6) power station
which of the following is not correct for remote control of the main diesel engine?
the first step of starting a cold ship is .
in order to prevent the failure of the flying car, should be adopted to reduce the speed appropriately.
the incorrect way to restore the power supply during the ship's voyage and stop the prime mover is .
in the feedback control system, the operating parameter to be controlled for the normal operation of the control object is:
in the block diagram of the closed-loop system, the input is deviation and the output is control signal, then the link is:
in the following systems, it is not part of the feedback control system:
in the feedback control system, the input and output of the regulator are respectively:
in a fixed value control system, its control function is:
in the block diagram of a control system, the relation between the input and output of each link is:
the following belong to the closed-loop control system:
which of the following controls is an open loop control system:
in the structural transfer block diagram of a control system, the unit placed in the feedback channel is:
in the diesel engine cooling water temperature control system, the actuator is:
for the automatic control system, the most unfavorable form of disturbance is:
in a feedback control system, the controlled quantity refers to:
two synchronous generators in parallel, only adjusting one throttle change the frequency; adjusting only one excitation change the voltage
the remote operation position of the main air compressor in a ship's engine room is usually set in .
in the diesel engine forced liquid cooling system, the most ideal cooling medium is .
the fuel oil system in the ship's engine room is not included .
the timing sequence to be carried out during the ignition of oil-fired boiler burners is not included .
pollution prevention installations on ships shall not include .
the commonly used cooling medium for marine diesel engine piston is .
common main power units are not included .
the following requirements for marine main diesel engines in the ccs specification, does not include .
there are equipment that is not necessary to operate during the preparation of the diesel engine.
the main diesel oil inlet temperature should normally be maintained at .
the meaning of "cold ship" in this course is . 1) the ship's ambient temperature is lower; 2) engine room temperature is lower; 3) engine room valves are in default state; 4) there is no electricity in the engine room;5) ship has no power; 6) the temperature of equipment and system is the same as the ambient temperature
in the operating condition of large merchant ships, which equipment in the engine room is most unlikely to be in operation when loading and unloading at the port?
the operating requirements of s type fuel oil (heavy oil) separators for alfa laval do not include any of the following systems?
the outlet pressure of main lubricating oil circulation pump of large low speed diesel engine is generally .
emergency drainage of engine room water is performed as follows . 1)close the no.1 main sea water pump and connect the inlet valve of the sea water main;2)fully open the emergency bilge suction valve in the direction indicated by the emergency suction valve disc;3)start no.1 main sea pump to drain overboard
the rudder torque of the isolated rear steering gear is of the original single pump, the rudder speed is of the original single pump, steering with a all rudder angle, not to exceed the degree or reduce the ship speed of the design speed, then according to the normal operation to avoid overload.
daily management of fixed fine water mist fire extinguishing system: monitor the level of water supply tank of high-pressure water mist pump, keep it at the water level at all times, and set its working mode to position.
when the wheelhouse tracking steering fails, the manual steering angle shall not exceed the degree during the emergency operation.
in the following statements concerning the code of practice for engine room fire emergency, is incorrect