更多"Connecting rods in a diesel engine "的相关试题:
[单项选择]Diesel engine main and connecting rod precision bearings are made in halvesEach half exceeds one-half the bearing circumference by a small amountThe small amount is termed （）.
A. clearance
B. crush
C. pitch
D. thrust
[单项选择]The linear motion of a diesel engine piston is converted to the rotary motion required to drive gears, propeller shafts, and generators by the （）.
A. flywheel
B. crankshaft
C. journal bearings
D. camshaft
[单项选择]The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the （） systems.
A. fuel treatment
B. fuel combustion
C. fuel injection
D. fuel separating
[单项选择]The （） engine is used for alternators and sometimes for main propulsion with a gearbox to provide a propeller of between 90 to 120 rpm.
A. four-stroke
B. two-stroke
C. slow speed
D. reversible
[单项选择]The （） engine is used for alternators and some times for main propulsion with a gearbox to provide a propeller of between 90 to 120 rpm.
A. four-stroke
B. two-stroke
C. slow speed
D. reversible
[单项选择]The four-stroke engine is used for （） and sometimes for main propulsion with a gearbox to provide a propeller speed of between 90 to 120 rev/min.
A. alternator
B. turbo-charger
C. remote controller
D. windlass
[单项选择]Which of the fluids listed is normally used to condense the primary refrigerant in a shipboard central air conditioning system?（）
A. Air or Nitrogen
B. Seawater or Fresh water
C. Sodium Nitrate brine
D. Calcium Sulfate brine
[单项选择]（） the engines, the diesel engine is（） used engine on board.
A. Between；more commonly
B. Among；the most commonly
C. Between；not more commonly
D. Among；not the most commonly
[单项选择]A connecting rod in a four-stroke/cycle diesel engine is subject to（）
A. tension load twice each crankshaft revolution
B. compression load during power and compression strokes
C. inertia load once every four crankshaft revolutions
D. bending loads at bottom and top dead center
[单项选择]Diesel engine jacket water is used in the distillation process as the （）.
A. coolant for the distillate
B. coolant for the brine cooler
C. means of heating the feedwater
D. primary means of producing a vacuum within the distiller
[单项选择]Diesel engine exhaust temperatures may be used to indicate （）.
A. leaking exhaust valves
B. an overloaded cylinder
C. a clogged injector nozzle
D. all of the above
[单项选择]Diesel engine exhaust gas temperatures can be used to determine individual cylinder （）.
A. performance
B. horsepower output
C. fuel consumption
D. scavenge effect
[单项选择]Diesel engine cylinder head test cocks are used to （）
A. check cylinder lubrication
B. connect the pressure indicator pressure
C. test cylinder heads
D. connect the exhaust gas pyrometers
[单项选择]The device used to limit engine torque at various engine speeds is called a （）
A. speed limiting governor
B. variable speed governor
C. constant speed governor
D. load limiting governor
[单项选择]A viscosity regulator used for an engine is usually provided in order to （） for an engine burning heavy fuel oil.
A. regulate the fuel supply
B. maintain a constant fuel viscosity at the fuel valves
C. maintain efficient cooling
D. alter the fuel density
[单项选择]Piston compression rings used in a diesel engine function to （）
A. transfer heat from the cylinder to the piston
B. scrape oil from the sides of the piston
C. seal the combustion space from the crankcases
D. prevent any piston contact with the cylinder liner
[单项选择]（）are increasingly used as main engine on merchant vessels, because they have a high Hp/Weight ratio.
A. Slow speed diesel engines
B. Medium-speed diesel engines
C. Steam engines
D. Gasoline engines
[单项选择]A magnetic strainer is used in the diesel engine reduction gear oil system to remove small particles of（）.
A. water
B. babbitt
C. iron or steel
D. acids
