The lowest temperature required to cause self-sustained combustion of a substance independent of any outside source of ignition is called （）.

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  A . auto-ignition point B . flash point C . burning temperature D . fire point

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• If the temperature drops low enough, oil will not flow, （） just tell us the temperature.

  A . Hash point B . Viscosity C . Pour point D . Cetane number

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• The term "pour point" is defined as the lowest temperature at which lubricating oils will flow （）.

  A . rapidly B . by gravity C . through a standard orifice at a specified temperature D . at a rate of 60cc per second

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• When considering the lowest fuel system operating temperature, （） are important.

  A . specific gravity or relative density B . open flash point and closed flash point values C . higher calorific and lower calorific values D . cloud point and pour point value

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• In which of the following lists of APS Action Requests is the priority correctly arranged from lowest tohighest？（）

  A . Wait-to-Restore，Forced Switch，Manual Switch，Lockout of Protection B . Manual Switch，Wait-to-Restore，Lockout of Protection，Forced Switch C . Lockout of Protection，Forced Switch， Manual Switch，Wait-to-Restore D . Lockout of Protection，Manual Switch， Forced Switch，Wait-to-Restore E . Wait-to-Restore，Manual Switch，Forced Switch，Lockout of Protection F . Wait-to-Restore，Manual Switch，Lockout of Protection，Forced Switch

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• The lowest point between two waves is called（）.

  A . though B . tough C . through D . trough

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• Water evaporates or steam condenses at the saturation temperature, which depends upon the pressure, the higher the pressure （） the saturation temperature.

  A . the more B . the higher C . the lower D . the highest

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• Which of the following is the lowest cost enterprise class IBM Storage System that can support anExchange 2010 solution?（）

  A . DS5100  B . Storwize V7000  C . DS8700  D . XIV system

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• The (auto)ignition temperature is that temperature atwhich（）.

  A . no spark or flame is required to ignite gas or vapor B . a fuel begins to give off explosive vapors C . a fuel if ignited will continue to burn D . a 1% mixture of the fuel with air will explode

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• The lowest temperature at which a liquid gives off enough vapor to ignite in the presence of an ignition source is called its （）.

  A . boiling point B . flash point C . viscosity point D . toxic point

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• Which of the petroleum products listed has the lowest flash point?（）

  A . Hydraulic oil B . Lubricating oil C . Diesel oil D . Refrigeration oil

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• （）is the depth of the vessel at ship’s side from the upper deck to the lowest point of the keel.

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• The lowest temperature at which the vapor formed from a liquid ignites and continues to burn steadily in the presence of an ignition source is called the（）.

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• If the compressor-discharge temperature is higher than the receiver temperature（）

  A . increase the amount of cooling water to the condenser B . decrease the amount of cooling water to the condenser C . add more refrigerant to the system D . remove some of the refrigerant from the system

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• The lowest ring of a piston is （）.

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• Ultimately the lowest temperatures can reach out ____________ during the Winter Season.

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• Radiation can cause serious consequences at the lowest level______.

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• On the minimum-variance frontier, which of the following portfolios has the lowest standard deviation:

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• The cost of living in Glasgow is among the lowest in Britain, （)the quality of life

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