A restricted air intake to a diesel engine may result in the engine （）.

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• Cooling the intake air supplied to a diesel engine will （）.

  A . reduce mean effective pressure B . decrease average compression pressure C . decrease air charge density D . increase power output

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• An indication of a diesel engine air intake being partially clogged, is （）.

  A . low firing pressure and low exhaust temperatures B . low firing pressure and normal exhaust temperatures C . high firing pressure and low exhaust temperatures D . high firing pressure and high exhaust temperature

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• Higher than normal temperature air passing through the intake of a diesel engine will result in（）

  A . greater overall efficiency B . greater fuel economy C . lower horsepower D . lower compression ratio

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• What determines if a vessel is restricted in her ability to maneuver?（）.

  A . Whether or not all of the vessel's control equipment is in working order B . The vessel's draft in relation to the available depth of water C . Whether the nature of the vessel's work limits maneuverability required by the Rules D . Whether or not the vessel is the give-way vessel in a meeting situatio

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• When turning a ship in restricted space with a strong wind，it is normally best to（）.

  A . Go ahead on both engines with the rudder hard to one side，if on a twin-screw vessel B . Back down with the rudder hard to one side，if on a single-screw vessel C . Take advantage of the tendency to back to port，if on a twin-screw vessel D . Turn so that the tendency to back into the wind can be used，if on a single-screw vessel

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• On a turbo-charged, medium-speed diesel engine, which of the following problems is an indication of a restricted air intake passage?（）

  A . Engine is hard to start B . Engine misses C . Surges at governed RPM D . Coolant temperature is too low

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• You want subclasses in any package to have access to members of a superclass. Which is the most restrictive access that accomplishes this objective？（）  

  A .  public B .  private C .  protected D .  transient E .  default acce

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• What restrictions apply to using virtual Ethernet within a cluster containing VIO clients？（）

  A . IPAT via Aliasing must be used B . IPAT via Replacement must be used C . Resilience must be provided by the use of dual VIO servers D . Hardware Address Takeover （HWAT） must be used to ensure a consistent virtual MAC addre

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• Which of the following statements describes the function of an air compressor intake filter?（）

  A . Protects against suction valve float B . Provides a positive pressure on the air inlet valves C . Prevents lubricating oil contamination of the compressed air supply D . Protects against the damaging effects of airborne solid particle

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• What is the function of the after-cooler installed in the diesel engine air intakes system?（）

  A . Decrease the air density B . Increase the exhaust temperature C . Decrease the lube oil temperature D . Increase the air density

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• Which of the following conditions can cause above normal air temperature to develop in the intake manifold of a four-stroke/cycle turbo-charged diesel engine?（）

  A . Clogged air intake falters B . Piston blow-by C . A defective after-cooler D . Faulty exhaust valve

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• The fresh air coming in through the inner air ports, is compressed by（） to a higher pressure.

  A . the cylinder head B . the cross-head C . the moving piston D . the stationary pisto

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• All of the following vessels are “restricted in their ability to maneuver” EXCEPT a vessel （）.

  A . laying a pipeline B . dredging C . mineclearing D . not under command

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• In a diesel engine, exhaust valves open before the intake ports are uncovered to （） Ⅰ.reduce pumping losses Ⅱ.reduce back pressure

  A . Ⅰonly B . Ⅱonly C . bothⅠand Ⅱ D . neitherⅠnor Ⅱ

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• The fresh air intake of the inert gas system（）.

  A . prevents the flue gas from falling below 3% content of oxygen B . allows the inert gas piping to be used for gas freeing the tanks C . opens when there is excessive vacuum on the deck water seal D . enables outside air to mix with and cool hot flue gasse

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• At night，a vessel shall indicate that she is restricted in her ability to maneuver by showing in a vertical line two（）.

  A . red lights B . red lights and two white lights C . red lights with a white light in between D . white lights with a red light in betwee

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• Which of the following conditions can cause below normal air pressure in the intake manifold of a turbocharged diesel engine?（）

  A . Excessive piston blow-by to the manifold B . Insufficient cooling water flow C . Accumulated water in the air boxes D . Clogged air intake filter

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• Diesel engine starting difficulties due to cold intake air temperatures, can be overcome by using a/an（）

  A . increase in starting air pressure B . increase in lube oil viscosity C . compression expansion device D . jacket water heater

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• Air blowing from the intake air filter of an operating air compressor indicates （）.

  A、broken inlet valves B、broken discharge valves C、pulsations in the air distribution system D、overloading of the air distribution system

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• A 200-meter vessel restricted in her ability to maneuver，at anchor，will sound a fog signal of（）.

  A . a 5 second ringing of a bell forward and a 5 second sounding of a gong aft at intervals of 1 minute B . one prolonged followed by two short blasts every 2 minutes C . one prolonged followed by three short blasts every minute D . one prolonged followed by three short blasts every 2 minute

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• What is the effect of heated intake air on a diesel engine? （）

  A . Increases efficiency B . Increases engine horsepower C . Increases engine life D . Reduces engine horsepower

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• Which of the following problems can cause an above normal air temperature to develop in the intake manifold of a turbocharged and after-cooled diesel engine?（）

  A . Faulty turbocharger turbine diffuser ring B . Faulty turbocharger compressor ring C . Insufficient cooling water flow D . Clogged air intake filter

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• A lyric poem of fourteen lines, usually in iambic pentameter, restricted to a definite rhyme schemes is called a ________.

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• When the air in a certain space is squeezed to occupy a smaller space, the air is said to be ______.

  A．commenced B．compressed C．compromised D．compensated

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