The most important instrument for complete flue-gas analysis is the Orsat gas analyzer. The Orsat analyzes flue gases by the process of
A.adsorption
B.distillation
C.evaporation
D.absorption
A.adsorption
B.distillation
C.evaporation
D.absorption
A.gaseous fuels
B.liquid fuels
C.solid fuels
A.4.1 to 74.2 %
B.2.1 to 9.4 %
C.3.2 to 12.5 %
D.5.3 to 14.0 %
A.there is just enough combustible gas in the air to cause an explosion
B.there is too little gas in the air to cause an explosion
C.the concentration of combustible gas lies between lower and upper limits of explosibility
D.the concentration of oxygen is zero
A.equal to one
B.much less than one
C.much greater than one
A.blue zone
B.luminous zone
C.non-luminous zone
D.zone of unburnt gases
A.C8H18
B.C7H16
C.C6H14
D.C2H12
A.flash point
B.kindling temperature
C.burning temperature
D.none of the above
A.it will not explode at all
B.it will explode always without requiring heat energy
C.it will not explode unless a source of heat starts the reaction
D.none of these answers
A.burn momentarily then go out
B.not burn at all
C.burn continuously