Correct answer
A. Avoid channelling
Explanation
The correct answer is Avoid channelling.
Which of the following has the highest octane number?
Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about ________ decibels?
The Knudsen diffusivity is dependent on the ________?
Cast iron is a ________ material?
The impure iron (pig iron) that is tapped out from blast furnace contains about ________ percent carbon?
A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator________?