The lowest temperature required to cause self-sustained combustion of a substance independent of any outside source of ignition is called ______.A.Explosive rangeB.Flash pointC.Ignition temperatureD.Combustion temperature
The lowest temperature required to cause self-sustained combustion of a substance independent of any outside source of ignition is called ______.
A.Explosive range
B.Flash point
C.Ignition temperature
D.Combustion temperature
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Value engineering/Analysis is the systematic use of techniques which does not include _____.A.establishing values for required functionsB.provide the required functions at the lowest overall cost.C.identifies the required function of an itemD.seeks to trade performance for costE.None of the above.
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Which statement is TRUE concerning the flash point of a substance ________.A.It is lower than the ignition temperatureB.It is the temperature at which a substance will spontaneously igniteC.It is the temperature at which a substance,when ignited,will continue to burnD.It is the temperature at which the released vapors will fall within the explosive range
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单选题The vapor pressure of a substance().Adecreases as temperature increasesBincreases with the temperatureCis not affected by temperatureDmay increase or decrease as the temperature rises
单选题A leaking diesel engine fuel injector will cause()Aprolonged maintenance intervalsBimproved atomizationCgreater fuel economyDincomplete combustion
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