771Mechanical EngineeringMedium
Tertiary air is the air used to________?
Asupply air for ignitors
MCQs
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Correct answer
C. convert CO (formed in lower zone of furnace) into C02 at higher zone
Explanation
The correct answer is convert CO (formed in lower zone of furnace) into C02 at higher zone.
Correct answer
C. Dual combustion cycle
Explanation
The correct answer is Dual combustion cycle.
Correct answer
B. negligible
Explanation
The correct answer is negligible.
Correct answer
A. it greatly affects volumetric efficiency
Explanation
The correct answer is it greatly affects volumetric efficiency.
Correct answer
E. less
Explanation
The correct answer is less.
Correct answer
C. One
Explanation
The correct answer is One.
Correct answer
C. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane
Explanation
The correct answer is the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane.
Correct answer
C. bent backward
Explanation
The correct answer is bent backward.
Correct answer
D. equal volumes of oxygen and acetylene
Explanation
The correct answer is equal volumes of oxygen and acetylene.
Correct answer
E. 0.8%
Explanation
The correct answer is 0.8%.