MARPOWER

60問 • 1年前

問題一覧

Which of the following type of failures that include bugs or programming errors cause the control system to malfunction or stop running altogether? a. Software Failures b. Communication Failures c. Power Failures d. Environmental Failures

Who invented the Diesel Engine? a. Rudolf Diesel b. Van Diesel c. Jhon Diesel d. Ericson Diesel

Which of the following refers to a mathematical representation of the relationship between the inputs to a system and the desired outputs? a. Controller b. Root Locus c. Control Loop d. Control Law

Which of the following combines the intake and exhaust strokes into the power stroke from the four-stroke engine which requires only one stroke each of up and down to complete the cycle? a. Petrol Diesel Engine b. Auxiliary engine c. Two-Stroke Engine d. Four-Stroke Engine

Which of the following refers to a graphical representation of the locations of the roots of a system's characteristic equation as a parameter is varied? a. Controller b. Root Locus c. Control Loop d. Control Law

Which of the following parts of a diesel engine where combustion of an oil takes place? a. Cylinder Head b. Crankshaft c. Connecting Rod d. Cylinder Block

Which of the following is used to control the operation of the lateral thruster, including the direction and speed of the propeller? a. Transfer Function b. Control System c. Feedback d. System Stability

Which of the following parts of diesel engine refers a shaft which transmits the power developed by an engine to the various parts of the vehicle? a. Cylinder Head b. Crankshaft c. Camshaft d. Cylinder Block

Which of the following is being bolted over the end of the tailshaft to provide a smooth flow of water from the propeller? a. Cone b. Nut c. Shaft d. Gear Box

Which of the following parts of a diesel engine that connects piston to the cannon shaft and transmits the motion and thrust of piston to crank shaft? a. Camshaft b. Valves c. Piston d. Connecting Rod

Which of the following parts of diesel engines that are used to control the inlet and exhaust of the internal combustion cylinder? a. Camshaft b. Valves c. Piston d. Connecting Rod

Which of the following parts of diesel engine that is placed in the cylinder and transmits thrust to the connecting rod, It transmits power to the crankshaft a. Camshaft b. Valves c. Piston d. Connecting Rod

Which of the following parts of diesel engine that are hardened steel parallel spindles fitted through the piston bosses and the end bushes or eyes to allow the connecting rods to swivel it? a. Piston Ring b. Gudgeon Pins c. Spark Plug d. Injector

Which of the following parts of diesel engine that provides the good sealing fit and less friction resistance between piston and cylinder? a.Piston Ring b. Gudgeon Pins c. Spark Plug d. Injector

Which of the following parts of diesel engine that is used in spark ignition engine? a. Crank Case b. Manifold c. Injector d. Spark Plug

Which of the following is the power source that drives the propeller? a. Electric Motor b. Cone c. Shaft d. Gear Box

Which of the following parts of diesel engine that serves as the lubricating system? a. Crank Case b. Manifold c. Injector d. Spark Plug

Which of the following refers to a device that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft? a. Impulse Turbine b. Steam Turbine c. Curtis Turbine d. Rateau Turbine

In what year does the modern manifestation of steam turbine was invented? a. 1881 b. 1882 c. 1883 d. 1884

Which of the following refers to the process in which fuel heated beyond its flashpoint ignites and gives off energy and the waste products as exhaust gasses (carbon dioxide, carbon monoxide and water)? a. Combustion b. Steaming c. Evaporation d. Cooling

Which of the following refers to supplying high pressure air to the engine? a. Turbocharger b. Supercharging c. Air Cooling d. Engine Cooling

Which of the following is not the cause of scavenge fire? a. Moderate wear of the liner. b. The piston rings might be worn out or have loose ring grooves. c. Broken piston rings or rings seized in the grooves. d. Dirty scavenge space.

Which of the following conditions indicates the occurrence of scavenge fire? a. Scavenge temperature will still remain. b. The turbochargers will start surging. c. Moderate exhaust temperature. d. Continuous engine power and sustained rpm

Which of the following actions should NOT be taken in the occurrence of small fires? a. Start reducing the engine rpm and reduce it to slow or dead slow. b. Increase the cylinder lubrication of the affected unit. c. The fire can be due to leaky fuel valves, so lift up the pump of the affected unit. d. Keep scavenge drain open

Which of the following actions should NOT be taken in the occurrence of large fires? a. Stop the engine immediately and engage turning gear, and keep engine rotating with turning gear. b. Extinguish the fire with fixed fighting system for scavenge fire. c. In case fixed system is not available on very old ships an external cooling is provided to prevent distortion due to heat. d. None of the above

Which of the following refers to the system that receives and stores fuel and delivers it to settling tanks? a. Cooling Water System b. Lubrication System c. Air Cooling System d. Fuel Oil Transfer System

Which of the following parts of diesel engine that controls the opening and closing of valve at proper timing and placed at the top of bottom cylinder? a. Camshaft b. Valves c. Piston d. Connecting Rod

Which of the following refers to the system of an engine that provides a supply of lubricating oil to the various moving parts in the engine? a. Cooling Water System b. Lubrication System c. Air Cooling System d. Fuel Oil Transfer System

Which of the following refers to a system where water is taken from and returned to the sea? a. Closed System b. Controlled Closed System c. Open System d. Controlled Open System

What is the medium speed range of an operational diesel engine? a. 250 to 800 revolutions per minute b. 500 to 1000 revolutions per minute c. 800 to 1200 revolutions per minute d. 1000 to 1500 revolutions per minut

Which of the following refers to a device that connects or separates a driving unit from the unit it drives? a. Turning Gear b. Clutch c. Cylinder Block d. Cylinder Head

Which of the following refers to a device that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft? a. Turning Gear b. Windmill c. Reaction Turbine d. Steam Turbine

Which of following parts of diesel engine in which its main function is to supply the air fuel mixture and collects the exhaust gases equally from all cylinders? a. Crank Case b. Manifold c. Injector d. Spark Plug

Which of the following refers to a system where single or double reduction systems may be used, although double reduction is more usual? a. Electrical Gearing b. Helical Gearing c. Epicyclic Gearing d. Steam Gearing

Which of the following parts of a diesel engine that is fitted on top of a cylinder block and its function is to seal the working end of a cylinder? a. Cylinder Head b. Crankshaft c. Connecting Rod d. Cylinder Block

Which of the following parts of diesel engine that is usually used in compression ignition engine? It sprays the fuel into combustion chamber at the end of compression stroke. a. Crank Case b. Manifold c. Injector d. Spark Plug

Which of the following refers type of continuous combustion engine and also called combustion turbine? a. Windmill b. Impulse Turbine c. Reaction Turbine d. Gas Turbine

Which of the following commercial fuels can be accepted by Gas turbines? a. Petro b. Propane c. Diesel d. All answers are correct

Who invented the modern manifestation of steam turbine? a. Sir Isaac Newton b. Rudolf Diesel c. Sir Charles Patron d. Van Diesel

What type of compressor that works by drawing air into a compression chamber through an intake valve and mechanically reducing the volume of the chamber through motion until a set pressure is reached? a. Positive Displacement Compressor b. Dynamic Compressor c. Negative Displacement Compressor d. Engine Compressor

What type of compressor that includes centrifugal and axial machines, and are used in very large manufacturing facilities? a. Positive Displacement Compressor b. Dynamic Compressor c. Negative Displacement Compressor d. Engine Compressor

Which of the following refers to a type of fan that transmits power by converting rotational motion into thrust? a. Gear Box b. Electric Motor c. Propeller d. Propeller Shaft

Which of the following refer to a mechanical component for transmitting torque and rotation usually used to connect other components of a drive train that cannot the connected directly because of distance or the need to allow for relative movement between them? a. Gear Box b. Electric Motor c. Propeller d. Propeller Shaft

Which of the following refers to the distance a propeller would move forward in one rotation if it were moving through a soft solid? a. Propeller Pitch b. Propeller Slip c. Propeller Efficiency d. Propeller Shaft

Which of the following refers to the actual distance the propeller travels forward through the water versus the distance it should theoretically travel based? a. Propeller Pitch b. Propeller Slip c. Propeller Efficiency d. Propeller Shaft

what year does the use of gas turbine for generating electricity started? a. 1929 b. 1935 c. 1939 d. 1941

Which of the following connects the propeller to the electric motor that drives it? a. Cone b. Nut c. Shaft d. Gear Box

Which of the following is used to reduce the high-speed rotation of the electric motor to the low-speed rotation required by the propeller? a. Electric Motor b. Cone c. Gear Box d. Shaft

Which of the following refers to a mechanism by which the output of a system is used to adjust its input? a. Transfer Function b. Control System c. Feedback d. System Stability

Which of the following refers to a reversible electric motor which drives a worm gear which can be connected with the toothed flywheel to turn a large diesel? a. Clutch b. Turning Gear c. Cylinder Head d. Cylinder Block

Which of the following provides a way to describe the behavior of a system and to analyze its performance? a. Transfer Function b. Control System c. Feedback d. System Stability

Which of the following refers to a mathematical representation of a system in which the state variables and the inputs and outputs of the system are represented as vectors? a. Controller b. Root Locus c. System Stability d. State-Space Representation

Which of the following refers to the ability of a system to maintain its desired conditions in the face of disturbances or changes in its inputs? a. Controller b. Control Loop c. System Stability d. State-Space Representation

Which of the following refers to a device or system that adjusts the inputs to a system to regulate its behaviour? a. Controller b. Root Locus c. Control Loop d. Control Law

Which of the following refers to the intake-stroke where the air/fuel mixture is taken into the combustion chamber? a. Petrol Diesel Engine b. Auxiliary engine c. Two-Stroke Engine d. Four-Stroke Engine

Which of the following refers to the fundamental building block of a control system, consisting of a sensor, a controller, and an actuator? a. System Stability b. Control Law c. Control Loop d. State-space Representati

In what year does the diesel engine was proposed using the constant temperature cycle? a. 1890 b. 1891 c. 1892 d. 1893

Which of the following refers to a machine designed to capture some of the energy from a moving fluid (a liquid or a gas) so it can be put to use? a. Turning Gear b. Windmill c. Reaction Turbine d. Steam Turbine

Which of the following refers to a system of gears where one or more wheels travel around the outside or inside of another wheel whose axis is fixed? a. Electrical Gearing b. Helical Gearing c. Epicyclic Gearing d. Steam Gearing

Which of the following is included in hardware failure? a. failures in the sensors b. failure in actuators c. failure in the other components that make up the control system d. all answers are correct

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